I have a 04 C70 in amazing shape however over the last year or so it has developed a shake or vibration at speeds above 50mph throughout the whole car. I have tried rotating and balancing the tires which are little old but in great shape and no separated belts, the tie rods are tight, and no visible ...

i have a c70 in amazing shape however over the last year or so i has developed a shake or vibration at speeds above 50mph throughout the whole car i have tried rotating and balancing the tires which are little old but in great shape and no seprated belts.. the tie rods are tight and no visible play ...

its very important that the pump works cause i still have a p0410 and i have to pass inspection in may...

so while trying to fix this air pump issue i broke the jb welded hose connector off the air box that goes to the air pump and i heard the beat of the exhaust thru the inlet hose for the air pump??? is the sas valve broken?? i can hear it open and close when the vacuum is applied...

i am having this exact issue i know that everything else in my sas system is working just fine but the only way i get get the pump to turn on is to by pass the relay... what energizes this relay to turn this pump on???

ANYBODY HAVE ANYTHING ELSE PLEASE PLEASE PLEASE READ....

one more thing i saw on i guess 850s there is a relay that looks like a cooling fan relay down by the air pump itself i didnt see that on my car the only relay like that is the actual cooling fan relay up above that fans under a little shield by the air pump valve solenoid.. is the only air pump ...

no no my volvo is in the most immaculate of shape i would say 9.9/10 and everything works perfect.. so i will get this air pump turning on no matter what im just at a wall right now i have been a master tech for about 7 years and i know what i am doing and this problem just has me stumped.. this ...

THE AIR PUMP WORKS JUST FINE!!! i can jump the relay and the pump will come right on.. can a broken check valve have anything to do with the pump not coming on. on the valve i feel it opening and closing and the vacuum hose has vacuum so i know the valve should be good i just cant understand why my ...

the air pump works just fine i can jump the relay and the pump will come on right away the pump is about a year old i also changed the whole air pump system, and i switched the relays with the main relay and the car started so it is not the relay or fuse. for some reason the pump it not being ...