Question about 1995 GMC Sierra C1500

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I have a 95 GMC vandura, When I shut the van off, coolant leaks out from the underside. Not a hose, and not the water pump, only leaks when it shuts off. What is it? Gasket?

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Could be a freeze plug, there are 3 on each side of the block, 1 of them is behind the motor mount, or a head gasket.

Posted on May 03, 2010

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Posted on Jan 02, 2017

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2005 gmc savanna van...cooling system will not blow hot heat. water pump,heater core,radaitor and thrmostate replaced. is there any electrical problems/


don't know this van specifically, but some things to check, make sure cabin filter is replaced or clean, you didn't say if the blower itself works, if not, correct or replace. Check the hoses going to the heater core, if hot water is flowing thru the core, both hoses should be hot. Check the heater controls to make sure doors in the system are opening closing as they should, you may just be drawing in cold air and not going thru the heater core.

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How do i find out why my 2007 1.4 fiesta is over heating


At home when motor is cold check coolant level. Start car with hood open watch for leaks .if no leaks and no hoses suck shut,replace water pump an thermostat And replace coolant. If hose suck shut replace radator cap

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My 2009 gmc Acadia fan was running a lot more lately after shut off and then last night it said shut car off and when restarted was in reduced power mode when I checked coolant it was almost non existent...


A very common issue on the 3.6 liter V6 engine in the acadia is a leaky water pump. The pump starts leaking, causing a low coolant level, causing the engine to go into reduced engine power mode to keep the engine from overheating. This usually results in a very extensive cylinder head gasket repair job. You should have a local shop perform a cooling system leak check to find the leak for sure, and an engine block check to see if the overheat condition caused internal engine damage.

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Coolant leaking 95 gmc yukon 4x4 5.7 350 vortec


could be hose are a freeze plug are water pump.determen where the leak is on the floor and go from there

Jan 03, 2013 | 1995 GMC Yukon

1 Answer

Coolant leak leaking on front passenger side near wheel well almost under the engine


check all your hoses run vehicle for awhile the inspect hose in this area. look for obvious things next check at the engine to see if a freeze plug is leaking then inspect you heater assembly the core may be leaking I'm leaning toward a hose or shut off valve

Jul 04, 2012 | 2001 Ford Windstar

1 Answer

I have 2001 alero. Yesterday the coolant light came on and the engine just died. Any ideas maybe fuel pump or timing belt or could it be the water pump


IF LOW COOLANT LIGHT CAME ON ENGINE SHUT OFF BECAUSE IT GOT TOO HOT AND OVER HEATED.WHEN YOU HAVE LOW COOLANT.YOU COULD HAVE LEAKING RADIATOR.YOU COULD HAVE LEAKING RADIATOR HOSES AND WATER PUMP. ADD MORE COOLANT IN CAR RADIATOR UNTIL YOU AT FULL COLD MARK ON THE OVER FLOW COOLANT TANK START THE CAR LET IDLE UNTIL ENGINE GET OPERATING TEMPERATURE.RAISE YOUR HOOD LOOK FOR LEAKS THE RADIATOR PRESSURE WILL PUSH COOLANT OUT WHERE LEAKS COULD BE.LOOK AROUND RADIATOR AND COOLANT HOSES.LOOK AT WATER PUMP.IF YOU SEE COOLANT LEAKING AT WATER PUMP REPLACE IT.

Feb 26, 2011 | 2000 Oldsmobile Alero

1 Answer

1988 GMC 3/4 ton. Constantly leaking fluid from


feel under the water pump right after you shut the truck off. if it is leaking still, you probably need a new water pump.

Apr 16, 2010 | 1988 GMC K2500

2 Answers

I have a coolant leak and I belive I need to replace the water pump, A 2004 GMC P-up 4.3 V-8


You need to locate the water pump. It is turned by a fan belt. There should be water hoses running into and out of the pump. Water pumps have a weep hole that leaks water when the pump starts to fail. It is usually hard to see as it is behind the pulley for the fan belt. If you're seeing a leak in this area it is a pretty good chance that the pump is bad and needs replaced.

Dec 04, 2009 | 2004 GMC Sierra

1 Answer

MY TRUCK IS LEAKING SOMETIMES COOLANT, COULD IT BE A HOSE OR THE WATER PUMP?


Check the radiator and hoses for leaks. Also, look at the water pump and see if any coolant is leaking out of the vent or "weep" hole. If coolant is leaking from the weep hole, the water pump is defective and will need replaced. When checking hoses, look for cracks and leaks, especially around the hose clamps. Hope this helped and best wishes.

Aug 05, 2009 | 2005 GMC Sierra 1500 Hybrid

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Anti freeze smell when car is shut down


do u smell coolant in the car when te doors are closed? if not it is not the heater core, have you had the system pressure tested at a shop? If I had to guess the 2 area's that would cause this are loose radiator hose clamps that just seep, not enough to get to the ground, but enough to smell the coolant, the other a slight leak at the water pump weep hole on the underside of the water pump, this can also be a seep and not reach the ground. Try adding a can of Alumiseal radiator and block sealer, comes in a little aluminum colored tube, about $3 US

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