i have a 1994 jeep grand cherokee 2wd. 4.0 i just changed the thermostat and antifreeze and now my temperature guage only moves up only slightly. i am only getting warm not hot air from my heater. whats going on?


Asked by Feb 02, 2014 at 01:23 PM about the 1994 Jeep Grand Cherokee Laredo

Question type: Maintenance & Repair

7 Answers

...okay, either the thermostat is stuck open -or- the electric radiator fan comes on before the engine reaches operating temperature~

1 out of 1 people think this is helpful.

was the heat workin' just fine before the coolant flush? the heater core is a virtual impossibility to have to change out on this vehicle~....so get it flushed properly with a hose and air-blast both directions to get it nice and clean~

1 out of 1 people think this is helpful.

Feel the hoses going to the heater core. With engine at operating temp. Is one hot and the other cold or Luke warm? If so you have a stopped up heater core. Are both hot? If so You have a blend door issue. Are both cold or Luke warm? If so you have a cooling system issue. Possibly air locked since you changed out the parts. Hope this helps

1 out of 1 people think this is helpful.
Best Answer

say Dewayne, how could this possibly make it NOT come up to operating temperature....a hyper-active water pump? nah, them things don't exist...perhaps an electric water pump...if such a thing existed....so radiator is TOO efficient? what could cause this....a stuck closed thermostat would make it good N hot in a hurry so it's not that...stuck open would expose the heater core...that's why I've suggested the coolant be shut off at the diverter...so it'd reach full temperature without the assistance of the heater core...pullin' the heat out of that~ air bound would make a NO flo condition....this is clearly not the case as anthonywilson not feel warm air....instead of HOT...~

1 out of 1 people think this is helpful.

https://www.google.com/#q=1994+jeep+grand+cherokee+temperature+sens or&tbm=shop

if the electric fan will not stop runnin' would look at buyin' one of those~


i dont have an answer but do have a question. really need help with this. i have a 2000 grand cherokee laredo limited 4.7 v8. i am only getting luke warm heat. i have changed the water pump, flushed heater core, put in two new thermostats. it had a new radiator put in it bout 4 months ago. someone suggested there is a blockage in my motor, could this be true? the coolant in radiator isnt heating up either and blend doors has been checked. is there a temp sensor on this model

Your Answer

Add photo

Related Questions

  • Why does my Jeep Run Hot? 6 answers

    I have a 2000 Jeep Grand Cherokee 4.7 V8 with 108000 miles. Some times while in traffic, or a drive through or long stop light the temperature will rise to around 230 instead of the 210 in the middle....

    2000 Jeep Grand Cherokee


    Maintenance & Repair

  • What could be wrong with my 1996 Jeep Grand Cherokee? 30 answers

    I've been having problems with my Jeep. It started like 3 months ago, the engine just cuts off while I'm driving or at a stop light. In other occasions the engine starts skipping, turns off, then will...

    1996 Jeep Grand Cherokee Laredo


    Maintenance & Repair

  • 2005 Jeep Grand Cherokee heat issue 4 answers

    Ok as a person who has worked on vehicles my whole life, I am completely stumped. My 2005 Jeep Grand Cherokee Limited 4.7 V8 will warm the engine and coolant as it should, but until I drive a shor...

    2005 Jeep Grand Cherokee Limited 4WD


    Maintenance & Repair

  • Car not blowing hot air 12 answers

    My 2004 Jeep cherokee larado is not heating up the inside u til the temp gets up to 220 and when I stop at a light the hot air goes warm and cold then back to warm ....I noticed on my way home to...

    2004 Jeep Grand Cherokee Laredo


    Maintenance & Repair

  • Jeep cherokee turns off while driving. new crank sensor new distributor and still having problems 110 answers

    1994 Jeep cherokee

    1994 Jeep Cherokee 2 Dr Sport


    Maintenance & Repair

Grand Cherokee

Looking for a Used Grand Cherokee in your area?

CarGurus has 73,883 nationwide Grand Cherokee listings starting at $1,593.


Search Jeep Grand Cherokee Questions

Jeep Grand Cherokee Experts

#1 inuevafreak
Reputation 1,780
#2 Tom Demyan
Tom Demyan
Reputation 1,610
#3 thejeepdoctor
Reputation 1,470
View All

Related Models For Sale

Used Jeep Cherokee"
370 Great Deals out of 53,112 listings starting at $1,900
Used Jeep Wrangler"
464 Great Deals out of 16,413 listings starting at $3,400
Used Ford Explorer"
1,371 Great Deals out of 71,753 listings starting at $300
Used Toyota 4Runner"
366 Great Deals out of 18,996 listings starting at $2,200
Used Chevrolet Tahoe"
1,076 Great Deals out of 36,075 listings starting at $1,700
Used Ford F-150"
3,271 Great Deals out of 216,650 listings starting at $1,500
Used Ford Mustang"
737 Great Deals out of 41,065 listings starting at $900

Used Cars For Sale

2017 Jeep Grand Cherokee Laredo For Sale
1,549 listings starting at $26,188
2016 Jeep Grand Cherokee Laredo For Sale
3 Great Deals out of 1,420 listings starting at $23,455
2015 Jeep Grand Cherokee Laredo For Sale
12 Great Deals out of 235 listings starting at $21,700
2014 Jeep Grand Cherokee Laredo For Sale
20 Great Deals out of 248 listings starting at $16,594
2013 Jeep Grand Cherokee Laredo For Sale
12 Great Deals out of 187 listings starting at $12,985