Engine Overheating Due to Water Pump Leak on Chevrolet Monte Carlo

The water pump may develop a coolant leak resulting in an engine overheating condition.

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Average mileage: 120,009 (13,800–240,000)
Engines affected: 3.1L V6, 3.4L V6, 3.8L V6, 3.8L V6 Supercharged
12 model years affected: 1995, 1996, 1997, 1998, more1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
42 people reported this problem
17 people shared problem details
2003 Chevrolet Monte Carlo- 3.8L V6113,000
started running a little past half way would bounce 2 lines below and then 2 lines past middle. then started getting hotter when sitting at a light. then will start to squeal and then I went to pass someone doing bout 55 and poof white cloud of smoke out the hood
1995 Chevrolet Monte Carlo- 3.4L V6180,345
My monte Carlo has the same exact problem. Also I have an hard time keeping the car from overheating. I ve changed the water pump and radiator as well and still cant seem to get the problem under control. Also I have difficulties cranking my car. As if my car has a kill switch.
The car temp gauge would run over half mark u would put water in it couple days later samething more water and today I discover a broken hard like hose that is below the alternator it has a redish o- ring but can't tell where It runs to can any tell me what this part us please.thanx Dave
2005 Chevrolet Monte Carlo- 3.8L V6118,500
Water pump failed and may have been leaking for quite some time
my car keeps running hot an the collant is leaking out of water pump it sprays all up onder my hood.
2000 Chevrolet Monte Carlo- 3.4L V6200,000
Not fixed yet. May not be depending on the cost.
2004 Chevrolet Monte Carlo- 3.8L V6111,108
Water pump leaking.
2003 Chevrolet Monte Carlo- 3.4L V6120,000
Colant temperature sensor light turn on antibreeze leak out
2003 Chevrolet Monte Carlo- 3.8L V6240,000
Car is overheating I am not for sure why. I am trying to see if I should purchase this car from a auction.
1999 Chevrolet Monte Carlo- 3.1L V6170,000
My low coolant light is on and stay on ,but I have plenty coolant in it,
problem was kept overheating replace water pump
2004 Chevrolet Monte Carlo- 3.8L V6 Supercharged115,000
car overheated took it " ALL BEACH BODY " in Jax Beach hose from water pump to manifold has a nice size hole, shop mgr said rough estimate maybe around $400-$500 at $95 an hr labor rate!
2005 Chevrolet Monte Carlo- 3.8L V6 Supercharged81,000
I am so frustrated I had my water pump replaced and flushed was cool for a whole and then started over heating I have car less than a year I love my car it's so beautiful and I take pride in it but I have so many problems and it is worse reading all the problems everyone else has :( tonight driving home temp was never real hot but started making a weird sound and now I think I blew my engine I am super bummed I hope that isn't the problem having checked tomorrow. Ahoe for the best.
2004 Chevrolet Monte Carlo- 3.4L V6208,000
Fuel pressure regulatory and waste pump went out.
Water pump replaced, went out.
2004 Chevrolet Monte Carlo- 3.8L V6112,500
I had known that my radiator was rotted out and needed to be replaced at 90000 miles but I did not have the money to buy it so I just got a coolant flush and my car stopped overheating. 1.5 yrs later same problem, car overheating again. I got another coolant flush and it did the trick about 2 weeks after that I put the pedal to the floor and went all the way up to 5500 rpm. A few minutes later my car was overheating and I smelled coolant. I took it to the shop, I had blown the water pump and intake manifold because there was too much pressure in the system because of the rotted out radiator creating a lot of restriction. Total repair bill was $1357 which according to this website is a bargain. Painful lesson learned.
Water pump required replacement at 100000 miles. Car was overheating
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