Question about Chevrolet Cars & Trucks
The water pump is connected just under the the hearder butb with the car in park and running it leaks coolant just under the spark plugs . I keep having to put coolant in the car to cool it off where could the leak be coming from off the engine
You need to have a repair shop pressure test the cooling system with a special tool to isolate the location of the leakage.
Posted on Oct 31, 2012
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Posted on Jan 02, 2017
watch for leaks and follow them after you drive i would geuss checking your thermostate housing both parts, the hoses that go to the heater core by the throttle body and the hose that goes to the throttle body, im guessing this is the turbo, if it is a non turbo it would be a hoses the waterpump or the oring that goes into the waterpipe on the front of the block, just get in there and take a good luck and remember the rules of gravity =) good luck man and if you need any parts for it let me know we got alot of these parts cars out in our yard
Posted on Sep 11, 2008
SOURCE: 1998 monte carlo coolant
I just did a lower intake reseal on my 98 monte's 3100, it's not tough to do, the biggest part is paying attention to what pushrod came from what position and ensuring they go back to where they came from, not only for wear patterns, but for different lengths on the intake and exhaust push-rods.
I work for a GM dealer in northwest montana, and I can say it's not cheap labor-wise, generally around 6 hours of labor and around 300 in parts...it can add up quick, but when those intakes start leaking oil and coolant, things can go sour quickly...espeically if coolant starts leaking into the engine, not good for bearings.
Dex cool is not the problem with these gaskets leaking, it's common on 3100's, 3400's, 3300's, etc, any motor from that series that has that style of lower intake is prone to the issue, the rubber/plastic/composite will eventually warp, break down, crack, seperate from hot and cold cycles, I've seen it all too many times. Dex cool is the best coolant out there, there's a reason that prestone, peak, zerex can't compete, in fact a few of those blends are blends that are less efficient that Dex that GM decided not to patent. But the Dex patent is due to run out soon to the point everyone can start using dex. One issue with dex is the "gum-up" problem when the mixture is not ideal and the level is left low, but flushing and setting proper mixture (50/50) and level will alleviate this problem.
Posted on Dec 09, 2008
Look around the sides of the motor. Aleros are famous for faulty pan gaskets. Ours has been in the shop twice for this. If the mechanic doesn't get it put in just right it will continue to leak.
Posted on Jan 26, 2009
it is most likely coming out of the weep hole at the water pump or the plastic fittings on the water pump to upper intake manifold they are black in color ands are L shaped with O-rings
Posted on Apr 19, 2009
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