Car overheating

Asked by Mar 11, 2017 at 05:36 PM about the 2005 Pontiac Grand Prix

Question type: Maintenance & Repair

Replaced water pump. Car overheats unless I am
running 70 mph, I let car run untill temp gage 1/2
way and the fan didn't come on. Does that mean
the fan is bad? Please help

6 Answers

Check the fuses in the front right hand box third and forth fuse if that doesnt work just run a direct to the fan and if the fan works then check the fuse and the wiring after to run a direct connect two wires one from the positive pole and one from the pole on the battery and carry it to the positive and negative wires on the fan when you touch the wires the correct way the fan will spin to the engine of the car try that had the same problem careful with this cause it will cause the engine to start knocking

Ok. I was told if thermostat making hot. It would be hot no matter how slow or fast I'm going. Fan run hot only, when running low speed, do you know if this true? Thanks

3,935

Also, although this sounds like it might be a fan issue, it may also be air trapped in the cooling system. That's an extremely common problem after draining and refilling the system. Trapped air will cause all sorts of problems and ruin your engine if you don't correct it. Did you use the bleeder valve near the thermostat to release any trapped air after refilling?

1 of 1 people found this helpful.

I bled it still runs hot, but only when I'm stop and go , when on highway not hot. Temp have went 3/4 fan didn't come on, so it's the fan right

3,935

Possibly. Is it overheating or just running hot? There's a difference. If the car gets hot but doesn't overheat you're probably OK. The fans don't run much in some cars.

You were right, it was the fan. My car is running great again thank you so very much

Your Answer

Add photo

Related Questions

  • car overheating 1 answer

    we bought my son a car that needed a water pump replaced. We have replaced the water pump and now the car is overheating with smoke coming up through the console. It is also lossing it's get up and go...

    2000 Pontiac Grand Prix GT

    -

    Maintenance & Repair

  • Car overheating 6 answers

    Replaced water pump. Car overheats unless I am running 70 mph, I let car run untill temp gage 1/2 way and the fan didn't come on. Does that mean the fan is bad? Please help

    2005 Pontiac Grand Prix

    -

    Maintenance & Repair

  • cant figure out why car keeps overheating 3 answers

    changed water pump, both elbows, thermostat, upper intake manifold, did a pressure test and lost pressure right away but the car runs like there is no problem except it keeps overheating

    2002 Pontiac Grand Prix GT

    -

    Maintenance & Repair

  • Overheating 1 answer

    I have replaced radiator over flow tank and the thing that opens and shuts it is still overheating is it the head gasket or maybe it needs s flush I can't afford to have someone fix it or get a ne...

    2005 Pontiac Grand Prix

    -

    Maintenance & Repair

  • Overheating 1 answer

    I have a 96 Grand Prix SE, my car is overheating and air is shooting through both bleeder valves and pushes my radiator fluid back to the reservoir I just need to know what the problem is, and what...

    1996 Pontiac Grand Prix 2 Dr SE Coupe

    -

    Maintenance & Repair

Grand Prix

Looking for a Used Grand Prix in your area?

CarGurus has 77 nationwide Grand Prix listings starting at $2,990.

Postal Code:

Search Pontiac Grand Prix Questions

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 4,270
#2 Tom Demyan
Tom Demyan
Reputation 2,870
#3 munron
munron
Reputation 2,210
View All

Related Models For Sale

Used Chevrolet Impala
59 Great Deals out of 982 listings starting at $799
Used Dodge Charger
89 Great Deals out of 917 listings starting at $3,990
Used Pontiac G6
3 Great Deals out of 160 listings starting at $1,200
Used Pontiac Bonneville
5 listings starting at $5,950
Used Chevrolet Monte Carlo
13 listings starting at $7,895
Used Ford Mustang
4 Great Deals out of 1,358 listings starting at $5,980
Used Pontiac GTO
3 listings starting at $13,900
Used Chevrolet Malibu
101 Great Deals out of 2,535 listings starting at $2,995
Used Honda Accord
117 Great Deals out of 1,243 listings starting at $1,495
Used Nissan Maxima
28 Great Deals out of 304 listings starting at $2,995
Used Nissan Altima
74 Great Deals out of 1,200 listings starting at $2,500

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
3 Great Deals out of 19 listings starting at $2,999
2006 Pontiac Grand Prix For Sale
13 listings starting at $4,995
2005 Pontiac Grand Prix For Sale
10 listings starting at $2,990

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.