Question about 2001 Chevrolet Blazer
I POUR RADIATOR WATER IN AND IT LEAKS RIGHT OUT UNDER NEATH AIR CONDITIONING UNIT ABOVE WATER PUMP
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Posted on Jan 02, 2017
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
The best way to diagnose this is with the hood up and the vehicle running. The possible places for leaks are:
1.The upper or lower radiator hoses. The hoses themselves or at either end where they connect.
2.The radiator, especially on the plastic ends which are prone to small cracks in this age of vehicle.
3. The water pump itself which is equipped with a small "weep hole" that will allow coolant to drip from the pump when it is bad. The weep hole is usually located on the underside of the pump, but on some vehicles it may be on the top side of the pump.
The fact that you have a big puddle after 5 minutes will actually make it easier to find than it might otherwise be. I hope this is helpful.
Posted on Mar 17, 2010
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The drainage tube for the evaporator case is plugged causing the the condensation to drain inside instead of outside the car. The car will probably need to be lifted to find the drainage tube. Use a pick to gently remove the debris blocking the tube. You must be very careful as not to puncture the evaporator core.
Posted on Jun 04, 2010
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