Question about 2003 GMC Envoy

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Jus got new waterpump n themastacs housing both sides new coolent and resivor drives good on freeway but wen I get off it starts to get hot wat is the problem now if that's not it junk it

2003 envoy xl 4wheel drive keeps over heating

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6 Suggested Answers

6ya6ya
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SOURCE:

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Posted on Jan 02, 2017

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SOURCE: check engine light on - 2003 gmc envoy XL

That code represents a lower than expected reading for temperature (coolant). First thing to do is check your coolant level, as if it is low, then the sensor can not read correctly. Second, you may have a thermostat that is stuck open, allowing the coolant to cool off too much. The sensor should be mounted on top of the engine, near the thermostat housing.

Posted on May 18, 2008

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jackiaria
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SOURCE: my 2003 gmc envoy oil pressure keeps going up and

Dear bunnydawg, Fri 2-20-2009 7:30pm EST (USA)

RE: Oil Pressure going UP & Down!

I'm going to assume you had someone or a shop change your oil.
If you did I would immediately take your car to another place as your oil gauge should not be doing this. Worst case is you have an oil leak so check your oil immediately and add oil if necessary before driving.
Most likely someone put in the wrong oil filter and your oil is having trouble circulating since this is a fairly new car!
Also, if your oil was overdue a change.....have it changed again to clean it up as this could just be it's still dirty and clogging the new filter.
I wouldn't worry too much if your oil dipstick is showing it full!
But do a follow-up asap!
jack
b0e9b85.jpg Let me know how things work out ok?

Posted on Feb 21, 2009

  • 599 Answers

SOURCE: clicking noise front end faster i drive faster clicking

have this checked by a certified mechanic you probably have a wheel bearing thats bad

Posted on May 21, 2009

roniecon
  • 6927 Answers

SOURCE: I have 2003 gmc envoy my front ac control does not

Need to check to see if the blower motor is running.If it is,but not threw the vents,most likely a vent door actuator motor.The actuator motor in this case would be bad,it is hard to get to,unless you are mechanically inclined,You can do it your self.If the blower motor is bad,just replace it.Check fuses first,and the blower relay.If I can help,let me know.

Posted on Aug 29, 2009

  • 95 Answers

SOURCE: My 2002 Gmc Envoy is stuck in 4wheel low. I

Try disconnecting the battery for a few minutes, that might get you out of trouble for now. There are some common problems with these 4wd systems. Most common is the mode position sensor on the encoder motor. Sometimes it can be the switch on the dash. Fact of the matter is I can't tell you what is wrong without using a scantool to retrieve the fault codes from the computer controlling the 4wd.

Posted on Oct 16, 2009

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How to bleed cooling system 2000 Mazda mpv es 2.5l 24v. That hasn't. Got a petcock or cap on radiator.After installing new waterpump and thermostat?


So the overflow tank would be pressurized with a radiator cap. This would no doubt be higher than top of radiator and engine .Keep filling it without engine running and heater on hot, then start up, when engine gets hot and thermostat opens, water should leave overflow and you need to top up as required.

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Overheating


Most common reason for overheating is 1. low coolent lvl 2. faulty thermostat (stuck closed). 3. Faulty water pump preventing coolent from circulating through engine.

Check coolent lvl in radiator when engine is cool by removing the cap and filling it up till you can see the coolent, replace cap and try. If you have the proper lvl of coolent. Replace your thermostat, which is located under the thermostat housing (right underneith where your top radiator hose connects). Fill with coolent and see if that helps. Next test is to start the car and let it run till it gets to normal operating temp or near (180 to 220 degrees F) Pinch your upper radiator hose and see if you can feel a gush, or flow of water rush through the hose when you release your pinch hold on the hose, (by pinch, I mean to try and totally squeeze the hose together) If you don't feel the rush of coolent through the hose, then your waterpump is faulty. If your car quits overheating, but your heater hoses don't get hot, then they are probably stopped up at the point where they connect to the engine. Its a common area for gunk, rust, and corrosion to build up.

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1 Answer

I put a new thermostat in my 07 still running hot


water pump faulty, low on coolent, could be temp sensor faulty too if it reads hot all the time, even when you know its cold (like first thing in the morning) loose belt on waterpump, clogged coolent system, maybe it needs flushed.

Dec 09, 2013 | Dodge Magnum Cars & Trucks

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I fill the coolent resevore up and radiator go for a bit of a drive and the coolent isnt comeing out of the resevore into the raidiator wat could it be


why do you keep filling it up? If you overfill either the radiator or the reservoir it is as bad as not filling up...
Is there a temperature issue?
If the reservoir is NOT using, or appearing to 'use' any coolant.. then that is a good thing.. it IS a reserve tank, a reservoir.. tank for overspill and should never be more than 1/3 full..

Nov 20, 2012 | Daihatsu Charade Cars & Trucks

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I have a 97 Buick lesabre it'll die while driving the temp, battery, and oil pressure lights all come on it usually takes the car up to an hour to start. After stopped oil pressure will go to 20-25 but...


this issue sounds like u have a bad ignition control module,located directly under ur coilpak. thats wat they do wen they get hot aftr driving a while, shut off while driving(u must b loosing spark to ur plugs)an restarting wen cooled off. one way to check this for urself would b to purchase a spark checker at autozone or pepboys fairly inexpensive, an wen ur car dies, open the hood remove one sparkplug wire install tester between plug an wire, or wire an a good ground an have someone crank engine while u look at the tester bulb,if it lights up an pulses uspark is good,if it doesnt lite up at all while cranking engine ur spark is gone an thats ur problem possibly crank a sensor or the ignition module we mentioned earlier. try mounting the spark checker before the engine dies so u know wat a good spark will look like on that checker..... hope this helps good luck

May 01, 2011 | 1997 Buick LeSabre

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Cant keep coolent in my 2000 grand am gt, it bubles up in the resivor then pours out the overflow hose on the resivor after it runs for a while.


is the car running hot check thermostat it could not be opening make sure you dont over flow resivoir tank fill it to the proper level

Dec 01, 2010 | 2000 Pontiac Grand Am GT

2 Answers

My 1995 audi 90 wont stop overheating


It sounds like you have a head gascet fault, if the water hoses are highly presurised with back pressure when car is running and you are lousing water, creamy coloured oil then these are all symptoms.
some audi's have platic water pump fins that deteriorate too this also could be a fault,
A pressure test on the cooling system should conferm what exactily is wrong.

Sep 02, 2009 | 1993 Audi 90

1 Answer

Over heated now wont start


you most likly blew the head gasket and destroyed the top half of your motor. NEVER EVER run a vehicle hot, you're just asking for trouble, becuase now your motor is most likly seized

so most likly you need a new motor or have yours rebuilt, either way your looking at at LEAST 1000 bucks

so dont drive when vehicle is hot

Aug 16, 2009 | 1995 Toyota Previa

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First place to look is the thermostat. When a thermostat fails, it prevents additional coolant from entering through the reservoir. Coolant backing up into the reservoir is another symptom of a bad thermostat. The reason you don't experience overheating when you drive is sufficient coolant is being pumped through the system by the waterpump.

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