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What could cause a very loud valve train noise like tapping on a 94 jeep Cherokee inline 6 with apx 150k well maintained miles?
Wiki User
∙ 16y ago
At 150 k miles first check oil pressure at engine hot with a known accurate gauge. Make sure that the pressure exceeds the minimum mfg specification for the engine. If the oil pressure is ok, then use a mechanics stethescope to locate the exact area of the noise. High on the engine indicates valve or piston related, middle on the block indicates piston and low on the block is lower end, ie bearings rods or mains. Make sure you correctly locate the noise before tearing into the engine, nothings worse than making an erroneous diagnosis when it comes to time and dollars... If the noise is indeed in the top of the engine then pull the valve cover and check for wear in the valve train. Repair or replace pivot points, lifters, etc. as may be required.
Wiki User
∙ 16y ago
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If you were to run a 1993 jeep Cherokee 4.0 inline-6 without at thermostat would it mess up your motor?
It will cause the oil to sludge up over time.
What does the speaker think might be the cause of the tapping?
The speaker suggests that the tapping sound might be caused by someone tapping on the window to try and scare them or get their attention.
What would cause a 1990 jeep Cherokee inline 6 to sputter when trying to pass another car at around 55 mph and do the same when in park at around 2200 rpm?
probably needs a tune up
What would cause your 1993 Jeep grand Cherokee Limited 4.0L inline 6 to not start?
on the 4.0 jeep, if it cranks, but wont start, try replacing the crank sensor, located at the top rear of the engine, at the transmission
Why is your peguet 406 making a loud tapping sound from the engine?
The loud tapping sound can be caused by a complete heating of the engine. Worn tappets can also cause the tapping sound.
What could cause squealing and tapping in a motor?
lack of oil
The tagline for Happy Feet reads May Cause what?
Toe-tapping
What causes pain when tapping right side of skull?
There are various things which could cause pain when tapping on the right side of the skull. If you are concerned consult a doctor.
The tagline for Happy Feet reads Warning May Cause what?
Toe-Tapping
What does the tagline Happy Feet reads Warning might Cause?
Toe-Tapping
What could cause a loud tapping noise in a escort engine?
Stuck hydraulic lifter.
What would cause a tapping noise in a car engine in a Nissan Maxima?
loose exhaust
