Question about 1993 Jeep Grand Cherokee

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1993 cherokee limited 5.2 v8,runs hot when outside temp is over appx 68 degrees, runs 210 to 230 sometimes goes all the way to 260 resevoir boils over.no leaks in system, got a new 160 therm. 18 pd radiator cap, flused system,have anti-freeze,new top hose,clutch fan seems to be working,has resistence, when i turn it by hand,so it seems normal,engine runs good, and all over systems work,heater,fuel electrical ect., im baffled by this problem and im afraid to go long distences.I blew the top hose on the fwy last week and haven't driven out of my immediate neighborhood.these days. any ideas?

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  • 47 Answers

Sounds like a bad water pump.

Posted on Jun 22, 2009

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2 Answers

I have a 1998 oldsmobile aurora that is overheating. no leaks, runs fine then temp goes up and coolant boils up to the resevoir cap and comes out around the cap. replaced thermostat. fan comes on


Try changing radiator cap if there is no water in the oil it is not a head gasket could be system just needs a flush. It could also be the water pump is not pumping well try the cap first.

May 30, 2014 | 1999 Oldsmobile Aurora

1 Answer

Low Temperature


250 is not low, it is just about to boil over, coolant boils at 260 in a closed system, water boils at 120.Your car should not exceed 200, 220 max. Or just 100 degrees over the outside temp, like 87 degrees out, your car should be running at 187. Until you stop at a light and it idles for a minute, then it will climb.

Aug 04, 2012 | Cars & Trucks

1 Answer

A friend has a 2000 Grand Cherokee V8 Limited with 93,000 miles which has had to have radiator replaced 4 times in last 70,000 miles. It always runs hot at 212 degrees What is wrong? Help?


Check bypass hose, on THE water valve to the heater core.The watervalve may not be returning the water back to the front of the engine the back of the heads are running too warm,it has to circulate in the bypass hose or through the heater core,common for chrysler v8,s .Bypass the watervalve completely to see if it runs cooler. If not,try to find a better radiator more cooling capacity!

Sep 10, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Engine light goes on than next day off


Normal operating temp for any car is 150-170 F, Your thermostat is set for these amounts, water boils at 220 F and coolant boils at 260 F, but the boiling of anything in there is not good, it creates pressure, something is going to give. Your radiator cap has a temp on it too, about 165. It will bleed off the pressure before it explodes. So, you can check your thermostat, they do freeze up, check your coolant, don't run straight water. and then check the inside of your radiator, they do clog up. Hope this helps.

Mar 02, 2010 | Lotus Cars & Trucks

1 Answer

Ac controls for eletronic control


could be a problem with the blend door. common on explorers. open glove box all the way down (bend in tabs to where it will open further than normal) . take flashlight and look behind it to top of black box inside dash. should be able to see tab for door moving while changing the temp. on the control unit. if it is broken should be able to hear cracking or popping from inside heater case.

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1 Answer

Running temp 2000 grand jeep cherokee limited


200 degrees, cooling fan comes on around 222 degrees

Nov 09, 2009 | 2000 Jeep Cherokee

1 Answer

I have a Cadillac 2000 STS with the V8 Northstar engine. Can you help me locate the water temperature/coolant sensor. I am trying to get thru why it is boiling over the resevoir box and into the engine...


This could be a faulty surge tank cap, common problem.
The cap is designed to hold 16 psi pressure,if it fails, the coolant will escape.
The cap only costs a few dollars so it's worth changing it to see if this solves your problem.

The Engine Coolant Temperature (ECT) Sensor is located on the Left hand rear corner of the engine, below the exhaust gas recirculation valve.

Also, the fans don't come on until the temp reaches around 225 degrees.

Oct 21, 2009 | Cadillac STS Cars & Trucks

2 Answers

What should be the operating temp of Grand Cherokee on warm day? Mine sometimes runs 240-250 degrees


U didn't say the engine, if it is a 6cylinder then around 195-200 F, if a V8 they run very hot, around 225 F, so you have a problem, is the coolant clean? no rust present? I would suspect that you need the radiator pulled and roded out by a radiator shop.

Jun 05, 2009 | 1995 Jeep Grand Cherokee

1 Answer

High temp


nine chances out of ten she is airlocked that will cause ur temp to peak and actually not be hot it will also cause your heat problem.

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3 Answers

1994 laredo jeep overheating


ok.. got your problem...

well you better check the fan blower resistor, & the compressor unit.., for any problem..

Regards,
micro

Jul 15, 2008 | 1999 Jeep Grand Cherokee

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