Questions & Answers for: GMC coolant system

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Question about 2003 Envoy

1 Answer

...2003. is ot normal? I see, this is a sign of a good coolant system. there is no problem here. The system is fine. i do recommend flushing the radiator once a year but, your truck is in good

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the level of coolant in the system is not high enough to supply the heater core with warm coolant. Could also have air in the system. Internal coolant leaks will usually not get any better, only worse

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Question about 2003 Sonoma Extended Cab

1 Answer

...coolant flow:- Check cooling system is correctly filled, taking care to bleed off any air locks from the system as necessary (with heater coolant valve open); Check heater core is not blocked- if ...

Question about 2003 Sonoma Extended Cab

1 Answer

...system or the engine components. Restricted coolant flow may cause engine overheating and/or damage to the cooling system or the engine components/assembly. Install or connect the following: Water ...

...coolant. You have air in your cooling system, flush out your engine cooling system and refill. Replace the thermostat if not been done and the radiator cap. In the mean time check your coolant level ...

...a res. for coolant incase your system is leaking. I have seen these plastic tanks crack and leak also. I would fill it half way with the proper coolant mix and watch the system. Please let me

coolant from flowing throughout the system. Once the system has been flushed out, replace the thermostat and replace the Dex-cool with a 50/50 mix of water and Dex-cool for the best result in cooling.

Question about 1998 Jimmy

1 Answer

coolant system? Should be one on the bottom of the radiator, but some times there isn't if there isn't one there you will just have to pull the bottom radiator hose. Unless your working on the

...coolant system, then check all over for leaks. Parts stores sell a coolant pressure testing pump- you just place it in the radiator, pump the system up to about 15 psi, then start looking for leaks. ...

Question about Air Conditioning and Heat for GMC Terrain

1 Answer

coolant circulatory system (the system needs to be pressurised for effective circulation as well as raising the boiling point of coolant (under pressure water would boil at 110 degrees Celcius instead

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