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L6-4.0L

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crankshaft position sensor
Hi there. On this vehicle, it's actually located near the bell housing in the rear of the motor. It can be very tricky to get to, however, you might want to take a look at this thread as it gives...
Question
My car leaks under the dashboard when it rains or I go through a car wash near the brake & gas petal
Hi there. Water leaks can come from various sources: a clogged drain tube in the AC/Heater box can cause overflow through the heater vent, or faulty cowling can cause water ingress into the passenger compartment. Once the source is found,...
Question
When trying to start my 97 Grand Cherokee it just screeches
What you're probably experiencing is the starter drive spinning against the ring gear. Tapping on the starter probably won't help you. If you catch it early, you can solve it by replacing the starter. But if you drive the car...
Question
Hi, I have a 2004 the Wrangler w/ the manual 5 speed. When taking off in first I have a brief rattle/ grinding sound right before
Hi there. In most cases when you hear a grinding noise when you engage the clutch from a start, it is caused by the master slave cylinder or a pressure plate that is starting to wear out. It could also...
Question
Could a battery without enough voltage cause starter to whine?
Hi There, If the starter is producing a whining sound, this is usually related to an incorrectly adjusted starter. The starter has a small gear on the end of it called a pinion gear that comes out of the starter...
Question
2000 Jeep Gran Cherokee 4.0. If low and high AC pressure switches are grounding out, and clutch won't engage, does that mean compr
Hello Jim, thank you for writing in. To determine what the issue is, you need to start by checking the clutch coil for full battery power (12 volts ideally). If it is, then you know clutch should engage when prompted,...
Question
Cracked radiator and cracked exhaust header which to fix first in need to repair fast and cheap for now,
The exhaust manifold should be replaced FIRST. If that crack happens to leak exhaust gases, that means CO can get into the passenger compartment. If that happens you won't have to worry about repairing the radiator. That manifold can be...
Question
Overheating
On head and block, those surfaces have to be measured before you apply a head gasket. If they are not flat within around .002 inches, you can get leaks and that alone can account for overheating. It is possible that...
Question
Check engine light
Hi There, It sounds like you may have a potential misfire of some kind causing the motor to shake as you describe. When this happens, this creates a bit of a chain reaction as it relates to other components in...
Question
Robert I removed the output vss from a 2001 cherokee there bolt is stuck in the old sensor it has 2 different diagonal thread patt
If you are replacing the sensor and the bolt is stuck in the old sensor, just simply buy a new bolt. It is standard metric hardware and is probably an 8 mm bolt with a 1.25 thread pitch but simply...
Question
Why does 1996 vanden plas sqeal when i first turn it on
It's possible that a belt driven accessory accounts for the noise, or the drive belt(s) itself. A quick diagnostic can be performed by simply taking all of the belt driven accessories out of the picture by disconnecting the drive belts...
Question
I think somethings wrong with the electrical or a sensor.
You may have both a no start issue and overheating. If the car is regularly overheating, be sure to request an engine overheating diagnostic. The remedy might be as simple as a new thermostat. With regard to the intermittent no...
Question
I have a 2000 and for a Grand Cherokee Jeep Laredo sometimes the AC works sometimes it doesn't what can I do?
Hi there. Your car’s air conditioning system uses a refrigerant that takes on different characteristics at different pressures. Under low pressure, the refrigerant is a gas. Under high pressure, it’s a liquid. This means there are technically two “sides” to...
Question
Ignition stuck in run position
To resolve a problem like that the ignition switch assembly will have to be inspected and likely removed and repaired or replaced. If the ignition switch (the electrical component) is implicated, too, that will require some column disassembly. Note that...
Question
Master cylinder
Hi There, It sounds like when the master cylinder was put back together, there may still be air in the lines. The master cylinder is where the brake fluid is compressed creating the necessary hydraulic pressure the braking system needs...
Question
Whining noise from frnt pass side of jeep driving down the road. Not bearing, brakes, Any ideas?
Hello, thank you for writing in. A good visual inspection should be able to rule out any obvious components rubbing or a dragging brake. If you know the wheel bearings are fine and well packed with oil, then you do...
Question
Why does my right turn signal stay on when I use it in my 2002 Jeep Grand Cherokee
Hello. Typically when the turn signal will work but will not turn itself off it is due to a worn out cancellation cam in the steering column. This cam is what makes contact with the multi-function switch to turn it...
Question
Have a 2001 grand Cherokee that has been stalling on me at idle an while driving
Hi There, What you are describing sounds like a dirty or faulty idle air control valve. The idle control valve reads the air intake into the throttle body and relays this information to the computer which then uses this information...
Question
Transmission or computer?
Hi There, As you may know, these codes relate to a fault being detected in the transmission control system. What you are describing may be a result of a faulty speed sensor, potentially low transmission fluid or a even a...
Question
Idler pulley broke off metal it was attached to after results from a crooked pulley and multiple serpentine belt slips.
You're right in that the stress will be too great and it will come apart again. This is not something you can fix with glue. You will need to take off all of the broken parts and replace them with...

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