Coolant leak causing my vehicle to run hot

Tiny
MATTY4904
  • MEMBER
  • 2006 CHEVROLET EQUINOX
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 133,000 MILES
I have a coolant leak causing my vehicle to run hot coming from the side of the motor where the belt and pulleys are. (Motor is sideways in my vehicle) When I open the hood to try and see the leak I can see water spraying off the belt as it spins but cannot find a leak. I have checked all hoses. Any ideas where this water could be coming from?
Saturday, November 17th, 2018 AT 5:43 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Hi and thanks for using 2CarPros.com.

If it is leaking there, it could be a few things. Most likely, it is the water pump. However, what I suggest is to pressure test the system. By doing this, you can check for leaks easier with the engine cool and not running. Start by going through this link. It describes how to locate and repair leaks.

https://www.2carpros.com/articles/car-is-leaking-coolant

Also, here is a specific link that shows how to pressure test the system. I realize most people do not have a pressure tester. However, most parts stores will lend or rent them.

https://www.2carpros.com/articles/radiator-pressure-test

Okay, if you find it is a hose, that is an easy repair. However, if you determine it is the water pump, here are general directions for replacing one:

https://www.2carpros.com/articles/water-pump-replacement

Here are directions specific to your vehicle. The attached pictures correlate with these directions.

__________________

Water Pump Removal

1. Remove the water pump pulley bolts.
2. Remove the water pump pulley.

3. Remove the water pump bolts.
4. Remove the water pump.
5. Remove the water pump gasket.

__________________________

Water Pump Installation

1. Install the water pump gasket.
2. Install the water pump.

3. Notice: Refer to Fastener Notice in Service Precautions.

Install the water pump bolts.
Tighten the water pump bolts to 10 Nm (89 inch lbs.).

4. Install the water pump pulley.
5. Install the water pump pulley bolts.
Tighten the water pump pulley bolts to 25 Nm (18 ft. lbs.).

_________________________________

Let me know if this helps or if you have other questions.

Take care,
Joe
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Tuesday, April 20th, 2021 AT 2:11 PM

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