99 3.1 coolant leak behind the water pump
Joined: Apr 2010
Posts: 12,605
From: Mentor, Ohio
Again, I repeat, get a radiator pressure tester. Pressurize the system, listen for hissing and check for signs of coolant bubbling around were the LIM meets the heads. What you are describing sounds like a bad LIM gasket. The pressure tester makes it about a 5 minute job to prove this. You can usually do a loan-a-tool for one from your local auto parts stores.
If it's the water pump, you should see a nice coolant wet spot in about a straight line on the hood insulation.
If it's the water pump, you should see a nice coolant wet spot in about a straight line on the hood insulation.
I did the pressure test, thats what was pissing out in the picture. It wasnt the LIM, I took it all apart, wasnt it. Its something in the housing that the water pump goes into, but while Im here Im doing the belt (rotten), the plugs, the LIM gasket, the water pump and housing gasket.
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sonin66
Monte Carlo Repair Help
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Apr 16, 2009 04:21 PM












