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What can cause a knocking sound under hood of car after you shut it off?
Wiki User
∙ 13y ago
The 2 most likely:
A. Timing is off.
B. Oil is low.
Wiki User
∙ 13y ago
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What would cause a knocking sound under the hood only when the air conditioner is running?
sounds like you ac compressor is about to crap out.
What would cause a knocking sound under the hood on a 2004 Chevy trail blazer when the Ac is turned on?
The ac compressor is shot. Usually what your hearing is a bearing that is moving around.
What causes a hard rattling knocking sound under the hood when you start your 98 ford windstar?
What causes a hard rattling knocking sound under the hood when you start your 98 ford windstar? Lack of oil, lack of oil pressure, badly worn camshaft or crankshaft or a combination of all the above.
What causes a knocking noise under the hood of your car?
it could be your valves or your engine
What would cause a grinding sound under hood when in drive but sitting still?
A bad transmission. The sound is from metal grinding on eachother.
What would cause a knocking noise under the valve cover?
something might be lose under the hood u might want to get that checked out there could be something wrong with ur car how good is its condition
What is the squeaking sound under the hood?
belt slipping?
What causes a knocking noise in a Saturn I downshifted wrong and now there's a knocking sound coming from under the hood. It stops when I press the cluth. Car still drives perfect....?
well it could mean two things. one you probably strained the harmonic balancer this would also cause lack of horse power. two you probably have a bad lifter . both can cause serious damage to your engine although your car is running fine right now i would have it checked to avoid further serious engine damage.
Why does it sound like a bird chirping under the hood?
It could be the camshaft synchronizer
What is the loud tapping and or knocking noise under the hood when the car is started and shakes when you drive it?
Serious engine knock or valve train noise. Have this looked into by a pro.
What could cause your 1999 Pontiac Montana to make an intermittant whistle sound under the hood?
Check to see if any of the air intake pipes/tubes have come off or are loose.
What would cause a click sound from under your hood when you start to slow down?
Could be the rocker arms in the engine, change your oil and if you ever get into the engine check those little SOBs out. ;)
