Coolant Leak - need assessment - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-25-2008, 12:26 PM   #1
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Default Coolant Leak - need assessment

Thanks for your advice in my radiator replacement last fall. All went well.

I've noticed a coolant leak around the water pump area. The green machine is running well, but I have a small puddle to deal with every day for the last few days and I've been through a bit of coolant.

I have the below photo. Please take a look and let me know what I should do next. I can take more photos if you need. My first and only car repair was the radiator repair, which went off without a hitch.

Thanks in advance for any advice.

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Old 04-25-2008, 12:38 PM   #2
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Default Specs

1999 L36
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Old 04-25-2008, 02:14 PM   #3
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Most likely the weep hole under the 'snout' of the water pump behind the pulley. It'* a sign your seal is going soon.
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Old 04-25-2008, 02:49 PM   #4
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Default OK...

...Forgive my limited understanding.

What seal is about go? How do I go about repairing this problem.
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Old 04-25-2008, 03:13 PM   #5
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I think Willwren is saying the water pump bearing and seal... which means you need to replace the water pump.
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Old 04-25-2008, 03:16 PM   #6
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Yup! Water pump replacement time. I personally recommend a ACDelco "new" water pump. I just recently installed one, and it was the best looking water pump I have installed on a car.

EDIT! 3,000th POST!!!
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Old 04-25-2008, 08:21 PM   #7
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Yes, I also suggest using the AC Delco waterpump. These cars will go tons of miles with good care, mine rolled 406K today.
Dan
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