The scanner indicates/suggests a reference voltage of 11 - 14. Level sensors As the name suggests, the level sensors are responsible for keeping the vehicle at a level by sending their voltage readings to the before-mentioned Airmatic control module which translated the data into axle height information. Customer: ok thanks. Then, take the other ends of the wires and hold them on a 9-volt battery’s terminals. If the suspension is stuck up because the systemn threw a code, this will clear the code. Mar 15, 2011 · WE HAVE NOW MOVED: 8 Hazel Road, Woolston, SO19 7GB. The compressor will turn on for forty seconds while the pressure sensor measures the air pressure. It is not normally the strut. May 31, 2023 · 5350 - A9/1y1 (AIRmatic pressure release valve): open circuit I waited until Tues and bought the B7 pressure sensor (£60, direct from MB, and is incidentally the same part as for the air con pressure sensor). 16-P-6000OG with CODE 489 (AIRMATIC (air suspension with continuous damper Air release valves demonstrate higher efficiency in water supply systems compared to air relief valves. Test sequence. the issue is broken wiring to the small valve on the side of the compressor. 42 AIRmatic central reservoir y2 Right front level control valve b Pressure relief/residual pressure A9/1 AIRmatic compressor unit y3 Left rear level control valve valve m1 Air compressor motor y4 Right rear level control valve c Air drier y1 AIRmatic pressure release valve remains open until the same vehicle level has also been adjusted For 5170 Check component Y36b1 (AIRmatic pressure sensor). I fixed the wire and boom! The car went up in the rear and levelled itself in the front. Double dump valves are comprised of a robust casing and two alternately activated flaps, one Nov 10, 2023 · Nozzle: Controls the flow of fluid or gas. Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? I just think where is valve. Also find Pressure Regulators price list | ID: 13910227597 Oct 5, 2016 · A removed strut can hold 5 psi, you have been told in the other thread you can unscrew the brass valve and release the air that way. 2 the valve block is bad, it basically diverts all the air to where it needs to go. The main valves work as above, while the pilot valves attach to the main line connecting to the main valve. Aug 11, 2016 · 3: Has anyone had a similar problem with their rear suspension being uneven? Tools at my disposal: 1: Xentry computer, can reprogram suspension and more. The common airmatic issue update. Nov 28, 2023 · In the Pneumatic Test, choose the Airmatic Control Unit. Nov 5, 2013 · additional air volume is switched to or away from the suspension via the open level valve of the AIRmatic valve unit of a suspension struts. while for your case it cost less than $2000 for four struts. Mercedes W220 airmatic testing and fill airspring one at a time. P5508 code, start at the front left of the car, at front left you can check all the wire connections for valve block, compressor, and left front strut. 1/4 inch is almost impossible to trim unless you KNOW you are sitting on level ground. Click on blue link to view Feb 14, 2023 · The Mercedes AIRMATIC system is known to fail from time to time and the national average costs associated with repairing it are around $800. Nov 2, 2023 · Astonishingly, the Airmatic suspension system in the Mercedes CLS550 is prone to specific issues. Suspension air valve block (pressure release valve) lines. (see diagram attached) It is the first relay in the box towards the fromt of the car. A. Dear w220 S Class owners / techies. If you had a leak it would affect the shock and the companion shock on the other side. No warnings or malfunctions - just a bad ride. Jan 17, 2024 · When the pressure lowers the seal/seat closes again to prevent the water from getting through the water outflow. This is located on top of the airmatic pump with the valve body if you are not sure use the above component code when talking to an MB Tech and he will explain further. I had a similar issue and when i scanned it was "A9/1y1 (airmatic pressure release valve): Open circuit ". Test result. 02V; Vehicle level at rear left Oct 4, 2016 · c1338 Fault in Component A9/1y1 (AIRmatic pressure release valve) c1517. this is the most common airmatic issue on the cls and e. Took it to the dealer and got the two front struts replaced with OEM parts. block. Feb 14, 2009 · My04230k. They are also used for processes that do not require continuous material flow. 8 GF07. Jun 5, 2021 · replacing airmatic valve block due to leaking factory valve block,brand new aftermarket valve block s500 w220 airmatic leaks diagnosis and repair Shah Pneumatics - Offering Airmatic Air Stainless Steel Pressure Regulator at Rs 1000/piece in Mumbai, Maharashtra. Unplug the connection and pull on the wiring and you will find the break in the wiring . Y36 AIRmatic valve unit Y36y5 AIRmatic central reservoir charge valve P32. In our recent DIY where we replace the air struts on a Mercedes W211, Kyle Bascombe talks about a way to release the air from a Mercedes air strut when repl Feb 16, 2016 · Yes, it often ends up in the fully raised position without me doing anything - much better than fully down though! B7 is the code returned - so either the sensor, the wiring to it - or, and this is a guess, the pressure release valve has failed, and this confuses the computer into thinking the detected pressure is invalid. strut further via a pressure reduction valve of the AIRmatic The entire static and dynamic carrying share is taken over by the 4 compressor unit (A9/1). Diagonostic and repair of failed Airmatic control valve Nov 2, 2019 · Yes 5350 A9/1y1 (AIRmatic pressure release valve): Open Circuit. Under the "pneumatic" tests available in DAS each strut can be tested and each line between the valve Is used for plausibility checks. Oct 11, 2009 · This is the air compressor going into a resting state. Press the middle pin’s wire to the larger terminal on the battery and the bottom pin’s wire to the smaller terminal. Jan 15, 2021 · Take the BMW wires and connect one end from each wire to one of the pins. You could remove and reseat relay "O" in the passenger side fuse box. 5600 infocenter@airmatic. Neither made any difference. ). Haven't checked for leaks at the valve block yet or at the actual rear struts. com. 109 posts · Joined 2014. Dec 4, 2009 · the cls and e have issues with the pressure relief valve located on the pump. s. the problem is the left side of the car is fine, the pump runs and the left drivers side goes up and down but the right side is sitting on the wheels. #1. Often there is grit or debris there, usually because the outer protective bellows has some holes in it. Ask your own question now. I did release the pressure to the entire system when working on replaced strut (with a Launch diagnostic computer). 3: Used parts shop, i got replacement used OEM parts in stock for my car. AIRmatic pressure release valve (A9/1y1) closed, the AIRmatic With selected actuation of the individual valves in the suspension central reservoir charge valve closed and the level valve for the struts the pressure of each individual suspension strut can be left front spring strut open. 30-P-6000FQ Component description for CDI control unit MODEL 218 with ENGINE 642. The wiring from the pressure reduction valve leads to the Airmatic computer as shown below in the diagram. Butterfly valves are an excellent and economical choice for a range of materials. In addition the AIRmatic pressure release valve (y1) in the AIRmatic compressor unit (A9/1) is open and the compressed-air is reduced via this valve. Press the "auto" button on the drivers side so make it "pop" out do the same for the passenger side. Press in the PASSENGER side "auto" button to make it press and stay in then do the same for the driver's side "auto" button. i. OP. He came up with# 5350 stored/ A91y1, Airmatic pressure release valve; open circuit. Remove three nuts that hold the air compressor in place using an 8 mm deep socket or open-end wrench. The grit damages the rubber and often causes leaks. May 1, 2010 · Hello I have full airmatic system with air springs in front as well. Mar 4, 2015 · Welwyn Merx Limited is a family run business with genuine passion, dedication and 25 years of experience dealing with Mercedes-Benz and AMG passenger cars. There is also 6 air line connections here you can check. #4 · May 3, 2014 (Edited) The normal cause is a leaking valve body and this unit sits on top of the airmatic compressor, a valve sticks slightly open and allows pressure to flow back. I was thinking I had maybe a small leak in a line. Adjusting Screw: Alters the set pressure. Thanks in advance Apr 12, 2010 · There is a single pressure sensor at the front along with a pressure release valve. measured by the AIRmatic Sep 21, 2012 · T. Dec 25, 2019 · This also cleans the air filter/cleaner. 2. The pressure relief valve (PRV) is designed to open at a predefined set pressure. There is almost 6" from tires to body. Dec 15, 2016 · NOTE: Installation: If the air cleaner (2) is replaced the arrow on the air cleaner (2) must point towards the longitudinal member 7 Unscrew nuts (arrows) and remove AIRmatic compressor unit (A9/1) 8 Install in reverse order 9 Check AIRmatic for leaks. Remove the air compressor unit. Apr 28, 2022 · I often see the air hose from the air compressor filter broken before it goes into the Airmatic air compressor. then the wiring needs to be checked leading to the valve for any issues. 5171 Check component Y36b1 (AIRmatic pressure sensor). The other way you can release the air that is left is by unseating the bottom of the air spring with a lever. #2. If the AIRmatic control unit (N51) registers inadequate pressure in the central reservoir via the AIRmatic pressure sensor Aug 31, 2023 · All air enters and exits through the compressor in the system. Separate rear shock absorber w/ integrated ADS II dampening valves 4. 50 at the dealer. 333. This sensor is critical for controlling the operation of the compressor and the pressure in the reservoir(s). Rear left spring have slow leak Automatic, adjustable pressure release valve for safer operation of pilot plant or other assemblies where the pressure is of great concern. and 5508 the pressure line system leaks. Eric is online now. 5350a9/1y1 airmatic pressure release valve open circuit. I should have thought to check that first before replacing the airmatic pump. Wait what? Yes even after the air has been released by opening up all lines at the valve solenoid block!! No suspension trouble codes BUT suspension voltage reading 3. Been losing pressure over about 48 hours. National version coding stored in CGW (N93) 5. But this sensor would see the central reservoir pressure (most of the pipes). If the problem stays on the same side, it is indeed an air leak. 2- Pressure Sensor : Location : Vehicle underbody, right front. The pressure is relieved by allowing the pressurized fluid to flow from an auxiliary passage out of the system. When your compressor pump fails in this way it is a sure sign that there is a leak somewhere in the air suspension. I guess my question is, how can i test the new pump to make sure its not faulty. The system is speed sensitive, meaning that it lowers the body at higher speeds to minimise aerodynamic drag while increasing handling stability too. When the temperature outside would get cold and after approx 4 to 6 hrs with the car sitting there, the right rear suspension would drop (tire tucked under the fender). i purchased a hit s430 4matic, it was hit on the right front side right where the pump and valve are. If you do not hear this it is probably that valve that is stuck closed. The air will release out of the port for the air-line. C1350 – Airmatic pressure release valve (A9/1y1) Open circuit 2. May 8, 2019 · Join me as I attempt to replace the AirMatic Valve Block on my 2008 Mercedes Benz S550 4Matic W221. Click OK to continue. A pressure relief valve is used to release excess pressure from a system during overpressure situations thus avoiding catastrophic failure. It could well be the air spring leaking. This causes a change in spring rate. Feb 21, 2018 · w220 2004 S320L CDI. Repeat on the front. If an oring has failed, it will be a constant failure. The air suspension system's basic components include: Air-filled spring struts on the front axle with integral ADS dampers. Pilot-operated safety valves are used for boilers with high flow rates and extreme pressure. 1. 5 volts. The design of air release valves allows for the efficient release of air pockets, preventing air accumulation in the pipelines. So, a Pressure relief valve is an important process safety device and widely used in chemical, petrochemical, power, and oil and gas industries. Could be broken or disconnected wires connecting to the strut (most likely) or a failed damping control valve (possible, but less likely). It's $13. 19 hours ago · Scanner can't control anything - won't release pressure. one question to GBK. Unlike other valves that seal with friction, POSI-FLATE’s unique butterfly valve uses an inflatable seat to seal with air pressure, thus requiring less torque and a smaller actuator, resulting in lower overall valve cost. 211 SAS vs. Ball segment valves are vacuum and pressure-tight valves that Feb 22, 2024 · Remove three 8 mm nuts. Jul 29, 2021 · Jul 29, 2021. Make very very sure you are measuring on fairly level ground. Nov 23, 2013 · Bought myself an icarsoft mb ii and when i plugged it in i got this 5508 pressure line system leaks 5170 b7 airmatic pressure sensor signal failure 5300 y36/6 airmatic central reservoir charge valve open circuit 5350 a9/1y1 airmatic pressure release valve open circuit Somebody please help us out thanks Jan 19, 2021 · Use the calculated cfm of air discharge and a pressure differential no greater than 2 psi to determine the appropriate valve size represented in the chart below. If you have a STAR system (AKA DAS Mar 9, 2022 · The valve block is directly connected to the air compressor and the air pressure sensor. I assume this is a pump heading south, but any input welcome. ALL Airmatic pressure sensors reading 35 bar. Feb 4, 2016 · 1600 posts · Joined 2005. This is especially true on GL and ML models. Available with or without warning whistle. See more. that way i can make sure its not the pump and Mar 9, 2009 · Anothe Airmatic Question s430 4matic 03. Use in water distribution and transmission and vacuum protection. What you do not want to do is to fully lower the car on collapsed air struts A blown Airmatic fuse, or the relay “O” stuck in the open position usually indicates a burnt-out air compressor pump. If any wiring issues are found they will need to be repaired. That is what the ride control button on the dash controls - normal, firm, extra firm. Put the car in the other direction in the same spot just to be sure. Mar 7, 2016 · 4637 posts · Joined 2012. Service, Repairs and remapping service. Airmatic has front and rear bags, has 3 modes of hardness of the suspension and so on. Lower the rear to the approximate normal ride height, and the Airmatic should support the weight of the rear. k. the harness connector wires break right at the connector causing a malfunction. The tension on the stainless steel spring determines the amount of pressure needed to force the lower piece open. But the rear sag is a new phenomenon I just can't yet explain. 284 Three Tun Rd. I agree with Oliver. Jan 23, 2019 · Car drives and handles fine. Bin Level Indicators & Flow Detectors. Car seems to be at normal ride-height, no sagging, no compressor whirring away etc. Eric and 87 other Mercedes Specialists are ready to help you. 2007 E3504matic wagon, air matic in the rear only. They have main and pilot valves. Use pliers to slide the clamp over, then pull on the rubber hose. May 5, 2015 · Carefully lower the rear wheels to the ground, still supporting the weight on the jack. If the valve block is the issue, the problem should then move to another corner. You may be able to find one at Napa or Autozone. Disc or Diaphragm: Lifts when pressure exceeds the preset limit. Rebar Tools for Cutting, Bending & Fastening. Choose Inflatable Seat Butterfly Valve for powders, bulk solids, slurries, and gases or Static Seat Butterfly Valves for liquids, air, gases, slurries, solids, and more. Open valve before starting work, only vent (do not open). Disconnect the air intake hose. Concrete Vibrators & Finishing Equipment. there are 2 connectors on the airmatic pump. Air springs with separate ADS dampers on the rear axle. I bought 2 second hand Airmatic Control Units on Ebay from USA (in case I was lucky and got a faulty one in addition to mine maybe being faulty. SLS is rear suspension leveling based on riding condition and load. Aug 25, 2020 · I plugged my iCarsoft in this evening and got the code 5359 A9/1Y1 "Airmatic pressure release valve: open circuit". It would level out though once I turn on the car. Tel: 01707 395999. Industrial Vibrators. Especially in colder weather. You should be seeing the “Compressor Cooling Down” or “Compressor Overheated” dash warnings, this Jun 15, 2023 · You need to scan the airmatic module for errors to be completely sure what the problem is. Aug 7, 2021 · Experience: Verified. I think it is the PRESSURE RELIEF VALVE INTEGRATED INTO THE AIRMATIC COMPRESSOR. May 14, 2023 · If you get a p5503 code, use STAR to run a pneumatic test, consider replacing compressor if less than 10 BAR. The best thing you can do is ask around and try to find the right balance between the costs and time necessary to repair your car. With the spring supplied, the range is 15-50 p. Types of Valves and Actuators. When lowering the vehicle all the wheel level control valves (y1, y2, y3 and y4 [on the valve block]) are open in the level control valve unit (Y36/6). The car would still be able to sense the height and as long as the central reservoir has sufficient pressure, the control unit should be able to adjust suspension level perfectly Apr 17, 2023 · There is NO fault code for an open circuit at the compressor motor. PPE Head Protection. This $800 price tag comes with labor and parts included. My car 2004 S500 is VERY STIFF and also the struts are very very high. THis may be the issue. Pressure release valve on compressor is open at same time as it running. Feb 21, 2018. Be very careful; high-pressure air can damage eyes or kill people if mishandled. Answered in 1 hour by: Mercedes Mechanic: Lou Palomino. Aug 1, 2013 · I cleared fault codes in the airmatic control module. com airmatic. Oct 20, 2023 · I scanned it with the scanner and got pressure release valve open circuit and another code for “critical vehicle level height rear” I have replaced the air compressor but in the end it was the wire to the pressure release valve. 20+ yrs. 22-2339-06 Location Function The AIRmatic central reservoir charge valve is located in the AIRmatic valve unit on a bracket behind the right bumper. CHeck the rear also, that may be the cause. Additionally it ‘failed’ the fill test getting to 12 bar rather than the required 14 bar. Had the system scanned by my Indie. Front air springs w/ integrated dual air chamber and ADS II Shock absorber with dampening valves 2. I have code c1133(right level sensor) so airmatic wont work. Air Vacuum Valves, sorted by Application, ascending. The mounting system includes springs and rubber mounts, and the design is not intuitively obvious. Remove the hose that connects to the intake air filter. There is a fault code for an open circuit at every single electrical connection in the entire airmatic system: Both connectors on the valve block, all connections on each strut, even the pressure release valve on the compressor has a fault code for an OC. oh well. Compressor isn't putting out enough/any PSI - since new compressor, only chance of that is too little power/bad connection at the plug. Valves and Actuators. Bleed any pressure after service by cycling through all levels to release pressure and remove residual air. 69V; Right front level sensor: -4mm; B22/7 (Left rear level sensor) 3. Spray the lines and look for bubbles. AIRMATIC. uk or alternatively you can phone Colin or Dave on 02380 445820, out of hours numbers are 07787913313 or 07907631681. The valve block is also involved in the release of excessive air pressure. One possible cause for the noise is that the (somewhat complex) mounting system for the compressor may have failed in some way so that you are getting metal-to-metal contact. One is that the front axle is too low, and the other one is the following more telling code: “A9/1y1 (AIRmatic pressure release valve) : Open circuit”. Done! These can work with most Mercedes-Benz equipped with airmatic suspension such as: CL Class: years 2000-2006 (W215 w/ ABC):years 2007-2012 (W216 w/ Airmatic) Feb 17, 2019 · The standard Airmatic struts include computer-control of the shock damping valve. Hope this helps Nov 25, 2013 · The part number is XXXXX 542 76 19. co. 220 AIRmatic Suspension 211 SAS 220 AIRmatic 1. Rear air springs with remote mounted additional air chamber 3. 31V; Left front level sensor: -7mm; B22/9 (Right front level sensor): 2. When they sink right down it allows the rubber to roll over the bottom plastic housing. Please let me know in the comments below what I’m doing ri Belt Conveyor Components. Why are you trying to release the air left in the strut? Dean Feb 8, 2018 · The valve body containing the solenoids for the air ride units is non-serviceable, but the pressure sensor on the end of the component can be replaced and has been known to fail due to water contamination. If the compressor fails to fill the tank with 16 bars within Jan 24, 2017 · If a valve is sticking due to corrosion, it will start as intermittent. All my struts have been replaced, so it is not struts. Jan 9, 2017 · Choose special functions->Pneumatic tests-> AIRmatic compressor unit . 5190 Power supply Valves : Short circuit to positive 5191 Power supply Valves : Short circuit to ground 5192 Power supply Sensors : Short circuit to positive How to replace a mercedes Airmatic valve block (level control unit) on a W221 2011 S550 4Matic May 19, 2014 · 1. texas008. Using the table, 401 cfm falls between 387 and 445, in the 2-inch orifice size column, indicating a 2-inch valve in necessary for proper exhaust. The only codes are: 5160 - Check component Y52y2 (Right front solenoid valve 2) in Assembly Y52 (Right front axle damping valve unit) 5150 - Check component Y52y1 (Right front solenoid valve 1) in Assembly Y52 (Right front axle damping valve unit) Before I get a barrage of "Replace front air shock" replies Jun 16, 2009 · 3. #31 · Apr 18, 2014. Nov 17, 2017 · I only get two fault codes from the suspension system each time I check. If the valve itself is o. Dust Collection & Dust Suppression Systems. We would like to show you a description here but the site won’t allow us. The airmatic relay is the one all Mar 30, 2018 · 2012 E550 sedan. Oct 21, 2023 · Airmatic Pressure Release Valve Location . Belt Conveyor Components. Malvern, PA 19355 215. If needed, the solenoid valve towards the air compressor is opened. 2: Mechanic shop, can take car apart and back comfortably. if u take off the lf wheel and fender liner. Here's an update for what has happened so far. Eric, Automotive Repair Shop Manager. Usually when the relief valve shits the bed the pressure in the system messes up the valve block. Throughout the years, owners have been griping about some common Mercedes CLS550 air suspension problems, including air spring leakage, ride height stuck at the high position, compressor failure, faulty suspension valves, etc. The pressure is then released through the pressure B24/5 Left rear body lateral Y36/6 AIRmatic valve unit acceleration sensor K67 AIRMATIC relay Y36/6b1 AIRMATIC pressure sensor Component description for instrument cluster A1 GF54. If the leak is between the distribution block and the shock you need to crawl under it with a spray bottle of soapy water. The car recognised the sensor being plugged in/unplugged as the 049 B7 pressure gave 0 bar and 35 bar respectively, and I tested the Jan 4, 2020 · C1338 Fault in component A9/1y1 (AIRmatic pressure release valve) this is a super easy issue, you were mislead to replace the compressor. Dec 7, 2021 · Resetting AIRmatic can make height adjustment levers unusable. Oct 26, 2019 · There was an argument that the rear strut release valves within the struts were faulty but the argument against this is that the passenger front was also usually too high. #6 · Feb 4, 2016. 001 Critical vehicle level at front axle Pay attention to STIP AF32. Railcar, Truck & Trailer Openers and Unloading Equipment. Dec 12, 2020 · W220 Airmatic Issue, Relief Valve ??? This may or may not be relevant. When checking on starfinder it appeared to be one connector on the airmatic compressor. Nov 1, 2023 · The high-pressure outlet that feeds the valve block and is a screw-in connection; The inlet/outlet connection, which has been either a special molded fitting that goes to a rubber hose that is approximately 1/4" ID, or a hard black plastic tube that is approximately 3/8" OD. 4. I have looked all over for what this means and how to go about fixing it prior to resorting to posting this topic. #23 · Oct 11, 2021. Important note: the components in the airmatic system which are under pressure include everything from the solenoid inside the control valve through the pressure hard-line to the air spring, under normal conditions Jan 9, 2008 · Code 1338 is a fault in component A9/1y1 (Airmatic pressure release valve). Mar 19, 2020 · Airmatic system. C1503 – Recovery time during filling of reservoir is too long. Car was bouncing all over the place and riding low and could get elevated when pushing the raised suspension. Feb 8, 2018 · The valve body containing the solenoids for the air ride units is non-serviceable, but the pressure sensor on the end of the component can be replaced and has been known to fail due to water contamination. Go back to choose AIRmatic pressure release valve. Can anyone help with a continuing problem with harsh suspension / ride on my pristine but very 'lumpy' 2004 S320L CDI! Mileage 112k, airmatic compressor & relay replaced at approx 70k, no airmatic leaks, front strut tops appear perfect (no cracks) car always maintains A pressure relief valve (PRV) or relief valve is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build up and create a process upset, instrument or equipment failure, or fire. 0 volts. Hi Hope someone can help been told the problem with my airmatic system is a loose or corroded wire on the pressure relief valve friend had it on star Apr 29, 2014 · 52890 posts · Joined 2007. Any queries, please do not hesitate to contact Email@mbsofsouthampton. Suitable for all high points in pumping stations, venting and vacuum protection. wondering why it cost $2300 for replacing the two front struts of my GL450 yr-2007 at MB dealer, for my case, the remanufactured air suspension strut is costing $820 each. . 5172 Check component Y36b1 (AIRmatic pressure sensor). This command will open the Airmatic relief valve on the air compressor for forty seconds to release air from the suspension. 61,557 Satisfied Customers. Floats and internal components are 316 stainless steel. Oct 18, 2022 · 2012 GL450 Airmatic Issue. Jul 22, 2019 · The car has a strange airmatic issue. To change the SLS bag will be pretty similar except of there is no reservoir connected directly to the bag. 1 the compressor, the pressure relief valve is built into the compressor and if the system can't purge air it will stay in. i sprayed leak detector around valve and tops of Air vacuum valves feature cast-iron construction and high/low pressure resilient seating. 22-p-4040AU These are all the definitions that the Maximus comes up with. experience as repair shop manager and technician. The valve is internal to the pump so that could be the issue. Had issues with my airmatic suspension. Jul 25, 2021 · 5350: Check component a9/1y1 (AIRmatic pressure relese valve) 5171: Check component Y36b1 (AIR matic pressure release sensor) Data Stream: B22/8 (Left front level sensor) 2. This, in turn, enhances pump performance by reducing the risk of air locking, which can impede the pump’s . Inlet and Outlet Connections: Allow fluid or gas to enter and exit. Double dump valves are designed for controlled discharging of large particle size or high-temperature materials from silos, bins, or hoppers in heavy-duty applications. Spring: Provides the force to keep the valve closed at normal pressure levels. those codes were 5170 b7 airmatic pressure sensor signal failure. sb kc np bm oe qf iy ag bs xu