I have a 1998 Toyota Rav4. I hear clicking noises under the car (seems directly under the engine) when I am driving. I changed front shock absorbers last week hoping they were the problems. I hear less noise but I still hear noises, especially when I driving over rough roads. Any insight? Thanks!
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Check out your constant velocity joint on that wheel. If the boot is broken and debris has gotten in there it is possible that the joint is damaged and ready to go. When it does, You stop going!!!!!!! Engine will rev but no power to wheel.
Noise most pronounced when you make a turn and joint is under stress.
start with premium gas or injector cleaner, could be a low octane ping. this may be hard to diagnose with out hearing the noise so the other thing i would have you do is remove the belts and run the engine. sometimes when a bearing in an alternator, idler pulley, a/c compressor or belt tensioner goes bad they can make a clicking noise. try to listen if the noise is coming from the belt area, the transmission area or some other spot. spin all the pulleys with the engine off and wiggle them to see if any are bad
A single click when you turn the key to the crank position usually indicates a bad starter. A rapid clicking noise usually indicates a dead battery. If you hear a click and everything goes dead there is a bad connection at the battery.
big end bearings( lower engine rod bearings to confuse) knock at idle and get louder with rpm
if the noise changes with rpm and you are hearing it near the ac compressor then it could be the ac pulley bearing
test if it is the compressor by listening and then turning the ac off the pulley will still spin but the compressor stops
if the noise remains , replace the pulley bearings