Does your car have a manual transmission?
If so it could possibly be your throwout bearing.
That can usually be checked by slightly pressing on the clutch pedal. If the sound goes away then it is definitely your throwout bearing
It may be an exhaust leak where the exhaust manifold meets the head.
SOURCE: Does 2002 Jeep Grand Cherokee V8 have hydraulic
I would not believe any thing some parts store loser told you. Theres not a V8 built that doesnt have hydraulic lifters, unless its some fancy racin engine. It has hydraulic lifters, but unless you dont change your oil every 5k miles and/or use some cheap oil, there should be no problems. You should have a real mechanic look at it, and verify that you have good oil pressure. If it does, I would change the oil and use some MOBIL 1 and drive it, the oil will clean the lifters somewhat. If the eng has low oil pressure, that will need to be addressed.
SOURCE: while driving 2003 santa feengine seemed to have
well theres a few places
first would be conecting rods
knock knock
whos there
as the conecting rods blow through the block
might have spun the timing belt a noch
SOURCE: Clicking Noise Coming From Engine
oil pump may have to be replace or clean the oil pump strainer must remove oil pan
SOURCE: Replacing Hydraulic Lifters
YOU HAVE TO REMOVE VALVE COVERS LOOSEN REMOVE ROCKER ARMS ASSEMBLY KEEP ROCKER ARM ASSEMBLY IN ORDER SO THEY GO BACK IN THE ORIGINAL POSITION.YOU HAVE TO REMOVE INTAKE MANIFOLD ALSO.YOU NEED A REPAIR MANUAL FOR TORQUE SEQUENCE ON THE INTAKE MANIFOLD AND ROCKER ARMS TORQUE.
SOURCE: my engine is making noise like a diesel car and
If the car has done more that 60000 miles then it is time to change the timing belt and also check on the maintenance schedule of the manufacturer.
The noise of the engine always requires a first hand observation so as to determine the exact fault. Possible that an oil change with checking of all timing/valve settings, replacement of timing chain, tensioner, will reduce the noise.
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