Questions & Answers for: GMC losing coolant

Question about 1995 Sierra C1500

1 Answer

leak of antifreeze i have a leak of antifreeze on passenger side behind the eguast comming out of engin This leak is probably coming from one of the 2 coolant lines that feed and return coolant from ...

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...losing engine coolant somewhere internaly. Truck is running hot. And my heater is not heating interior of truck Check for external leaks first then check the engine dipstick to see if engine oil is ...

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...losing coolant,if you are it could be anything from a radiator to water pump on the famous 4.3 intake leaking,if your not losing coolant,well it could be thermostat,head gasket,cooling fans . And you ...

...Losing coolant fairly fast. Have checked hoses for leaks and found nothing. Cant see any leaks in the radiator itself but not for sure. Any advice? Thanks could have a cracked head and blown head ...

Question about 1995 Sierra

1 Answer

...losing coolant or have white smoke out of the exhaust? I would look real close at number one cylinder as having an intake leak or head gasket problem. Generally you do not have a cylinder misfire and ...

Question about 1995 Sierra

1 Answer

...bottle water is low, or 2) engine coolant fluid is low (check the level of your coolant resevoir bottle) If your coolant is low, then you should investigate why you are losing coolant fluid.

Question about 2000 Sierra

0 Answer

have an 03 gmc sierra, 5.3 engine . over a period of 5 weeks it will lose a gallon of coolant. no visible leak or puddle if left sitting overnite. changed out dex cool for regular coolant because of ...

losing coolant in my 2000 gmc sierra losing coolant...dont see any leaks??? These motors are famous for the intake manifolds leaking coolant.Have a pressure test put on the coolant system and look for

Question about 2000 Sierra

1 Answer

oil became milky in rover 200 Milky oil is a sign of blown head gasket. Start with a oil change. Monitor the coolant level. Lose of coolant will confirm head gasket leak.

losing coolant from a broken hose attached to the heater radiator; since the coolant leaks out onto the passenger side floor you do not have enough coolant in your engine thus: the temperature of your

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