Avoid using thread sealant or tape as excess material can itself contaminate the air device. Exhaust port leakage during application - Consult the appropriate servicemanual for valve specific test procedures.Īlways blow out all attaching lines and reservoirs when installing a replacement valve to purge any contamination from the system.Delivery port leakage at rest - Consult the appropriate service manual for specific test procedures.If the leakagecontinues, inspect and repair or replace the leaking valve. If the leak stops,inspect the device at the other end of the delivery line for leakage. Exhaust port leakage at rest - Disconnect the delivery lines.Application of air pressure to a valve's delivery port from another device in the air systemĭetermine the port(s) improperly emitting air pressure and perform the following service checks:.Contamination caused wear, damage, or sticking of the valve's operating parts.Valve leakage is commonly caused by, but not restricted to: Truck and Trailer Air System Tech Tips General Air System Valve Troubleshooting Meritor Parts ExpressUse the search box at the top of the page.Look at the right side of the page for the cross reference search box. Haldex Cross ReferenceIf Haldex made it, they should be able to cross reference your number to the current number.Bendix Cross ReferenceCross reference a vehicle manufacturer's part number to a Bendix number.Bendix Part Number SearchUse this if you have a Bendix part number and want to find their current number.Youcan try your part number at the sites listed or just give us a call or drop us an email for help. The list of pages below contains useful part number references from OE valve manufacturers. We try to provide a comprehensive cross reference lists for each air brake valve we offer here, but there are always OE numberswe haven't learned about yet. Is it a relay valve or push-pull valve? If you have noidea what kind of brake valve you're replacing, you will probably benefit from looking over the Bendix Air Brake Handbook. This iseasiest if you know at least what type of valve you're working with. If you can't find any numbers, you can look for a match based on the pictures we provide here on.

Raised casting numbers are usuallyno help at all. Sometimes, the number is stamped right on the valve body.

You may find a label or a metal tag on the valve that has theOEM part number printed on it. With that said,there are other ways to determine which valve you need. The onlypeople who can tell you what valve the vehicle manufacturer used based on a VIN are the vehicle dealers. There is no application guide that tells us what air brake valves the manufacturer used on your truck or trailer.

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