Question about 1997 Jeep Wrangler
Posted by Anonymous on
Bought a used 97 jeep that apparently had the same problem and had a low temp thermostat installed in attempt to cure the problem. I noticed when draining the radiator that only 1/2 of fluid came out. I jumped up/down on bumper and dislodged sludge and other half of fluid. Flushed system twice and then noticed temp gauge was now registering low, out of specs. Placed in correct thermostat and all problems solved.
Posted on Jun 20, 2015
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Posted on Jan 02, 2017
SOURCE: 1997 Jeep wrangler
Clock spring mech is prob bad, first easy check is remove airbag 2 8mm bolt from back side of wheel make sure wires are still connected if they are good the clock spring mech is bad you can use a steering wheel puller to remove wheel and clock spring mech just snaps out and has 2 plugs on it, I have 2 if you need one.
Posted on Nov 18, 2008
When the car is completely cool,check the electric fan(s) for smooth rotation.
Clean/check/change the thermo sensor,contact and wire.
Excavate air pocket in coolant system / check for head gasket leak
This test will kill two birds with one stone.
MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!
RAN THIS TEST IN A WELL VENTILATED AREA ONLY!
You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!
Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .
Top of the coolant reserve tank
Let it ran for 10-15 minutes.
Monitor for air pockets escaping from coolant reserve tank.
Small amount of bubbles is OK at 1-5 minute mark
After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.
If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.
Give the thermostat host few gentle taps.
If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.
Let engine cold down and top off coolant reserve tank.
Start monitor for coolant lost
A coolant flush is require every 2 years or 24,000 miles.
I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.
Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.
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Posted on Dec 05, 2009
So how do you know you need one if you dont know where it is?? Oil pumps rarely go bad unless the engine is sludged from lack of maintenence. After you take the oil pan off, its there hanging down. Make sure you clean or replace the pick up tube. I'm sure you can google up torque specs, for the bolts. Usually there is major engine damage by the time you figure out that there is lack of oil pressure. I would get a professionals opinion before you waste time and money replaicing the oil pump. If the engine has any unusual noise or knocking, its too late.
Posted on Apr 23, 2010
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