Checking the secondary air valve quickly and easily - YouTube
If a secondary air pump is making unusual noises or fails, this is often due to the secondary air valve being stuck and no longer fully closing. This causes corrosive exhaust gas condensate...
Caterpillar 257-8751 Secondary Air Compressor Check Valve
CATERPILLAR 257-8751 genuine OEM Caterpillar Part. It is a new take off, never used, only tested and proven fully functional. Even as a new part, know that we have inspected it for any …
Secondary Air System Readiness Monitor Not Resetting
Mar 27, 2010 · I read many threads around fixing components of the secondary air system (like the pump, check valve, hoses, the relay, etc.), but it seems in those cases there always were …
Secondary Air System Incomplete - Chevy Silverado and GMC Sierra Forum
Jan 8, 2017 · Secondary Air System Not Ready. I hooked my scanner up to it and no trouble codes. Hated to do it, but took it to dealer and they said bank 1 secondary air injection check …
Performing troubleshooting in the secondary air system
A fault in the secondary air system can usually be identified by a scratching or whistling noise, or by the secondary air pump no longer working. For vehicles with OBD, a diagnostic trouble …
Secondary Air Tank Check Valve? - iRV2 Forums
Sep 4, 2023 · Since the valve in the picture is adjacent to and appears to be connected to the Secondary air reservoir, it should not be the brake pod pressure relief valve. But it does look …
487-6734: CHECK VALVE REPAIR KIT | Cat® Parts Store
Cat® Air Compressor Check Valve Repair Kit restores and maintains the functionality of check valves in air compressors, ensuring reliable air flow regulation
Changing secondary AIR system check valve - a couple of...
Jul 22, 2016 · The AIR check valve assembly controls the flow of air from the AIR pump to the exhaust manifold. The AIR CNTRL relay supplies the current needed to operate the AIR …
Secondary Air Injection Check Valve - NAPA Auto Parts
Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles; Restores functionality - this valve is made …
Secondary Air Injection Check Valve | O'Reilly Auto Parts
Shop for the best Secondary Air Injection Check Valve for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts.