Questions & Answers for: AC shaking engine at 40 mph

I need help with a automobile its a 2001grand Am 2.4 when turning on AC the car shakes and don't want to pick up speed. tune up the motor or the motor is about to die

...engine oil and oil filter change. Used shell remula 15w 40 and purolater oil filter. Pls help. Spent around 20k already on R&D. Again, all problems only post engine heating up in a drive for like 20 ...

Why does engine shake violently when AC is turned on? Ran fine before accident. AC compressor was replaced, engine mounts recently replaced. the clutch of the AC compressor might be in fault?

Why does the fan on my AC switch into defrost mode when I'm on the interstate rung about 70-75 mph? Does not happen around town My son and I think it may be related to air flow. Any suggestions where ...

...engine light on. When i drive and accelerate to 40 mph, its starts to jerk/shake in between 40mph-60mph then it smooths out and gets worse when the AC is on engine lights mostly only report on major ...

I have an Elantra 1.6 gls rough idling when switching on ac 1.6gls 2003 First try cleaning the engine throttle body and the idle speed control valve, it may have a slow idle due to these parts being ...

...mph and gets worse as i drive faster. at about 40mph it pegs at 100 and my engine shuts down. when using ac it gets worse. can drive several miles in morning befor it starts. seems to get worse as ...

Engine runs correct temp while air flows through radiator at highway speed or when AC is turned on (thus fan is on). According to the wiring diagram, there is only one temp sensor, and its signal runs

Torque setting for 2005 got AC belt tensioner Depends on the vehicle. The tensioner to engine about 35-40 ft lbs.

...40 or greater? Secondly, engine temp is running well above normal and with AC on climbs even higher on hotter days. This seems to be causing the check oil light to come on as engine temp climbs. Any ...