Question about 1994 Jeep Grand Cherokee

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I forget to put the top over the area where you put coolant and my car ran hot immediately after driving. I found the top and now just cool air comes for out of the vents. Is it safe to drive now that I have a top over the area where you put coolant

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  • Jeep Master
  • 6,982 Answers

Sounds like you may have lost some coolant. re-fill the system and see if the heat returns to normal. (fill while heater is on full heat, engine running) No you should not drive 'till you re-fill the system or you can damage the cylinder head.

Posted on Aug 28, 2010

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Posted on Jan 02, 2017

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3 Answers

Running hot. no visable signs of leaking coolant. could this be the thermostat and how difficult will this be to repair myself.


probably. but it could also be a clogged radiator.
easy to fix, all you need is a screwdriver and a little patience - do not force the tubes, you could rip them.

Nov 06, 2009 | 1995 Ford F150 Styleside Regular Cab

3 Answers

My 99 chrysler lhs is running hot and and leaking water


where is it leaking from? is it low in water from leaking? there is a hole on top of your water pump if the seals go bad in it thenit will leak water till the piont thatit gets low and cause heating.check for location and let me know.last thing you want to say is blown headgasket

Oct 28, 2009 | 1999 Chrysler LHS

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I have a 1999 VW Jetta that keeps running hot. I


Is the cooling fan comming on?
It must.

Oct 13, 2009 | 1999 Volkswagen Jetta

2 Answers

It is running hot


the cooling system needs flushed, or there is a leak somewhere. change thermostat also, and make sure cooling fans run at the proper time.

Oct 13, 2009 | 1996 Mercury Grand Marquis

2 Answers

Car was running hot. found out water pump was going bad, replaced that. tempeture guage still not working properly and my heat is not getting hot


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.......BEKIND 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 thermostat2_bing.gif 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 bepartially 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 ahydrocarbon (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.

===
Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!

Oct 10, 2009 | Oldsmobile Cutlass Supreme Cars & Trucks

2 Answers

Temp gauage rises and no sign of car running hot not leaking water no check engine light


are the cooling fans working????????????they should work with the a/c on. they wont come on with the a/c off until the engine is approx 220f

Sep 17, 2009 | 2005 Pontiac Grand Prix

2 Answers

94 Volvo 850 turbo still running hot


Do the air purge test below.

The fins/turbine on water pump can be totally worn out.

====

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.

===
Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!


Sep 15, 2009 | 1986 Volvo 740

2 Answers

Running hot


If you are loosing antifreeze with no apparent leak you may have a serious internal engine problem and should seek professional help. Stop driving the truck until you can have it looked at. If you are not loosing any coolant, then Service the cooling system. Drain and slush the radiator, replace the thermostat, clean the radiator fins, pour in a 50/50 mix of antifreeze and distilled water, and bleed all air from the system. Inspect the water pump to see if it is pumping correctly.

Sep 02, 2009 | 2004 Dodge Ram 1500

2 Answers

2003 Hyuandai Elantra after driving for about an hour is it common for you engine to feel very hot? Please advise


After 5-10 of driving the engine temp. should be at 195-210 F.

===

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.

===
Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!

Aug 14, 2009 | Hyundai Motor 2003 Elantra

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