98 se strong coolant smell - Page 2 - 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 04-21-2006, 01:42 AM   #11
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Quote:
Originally Posted by popatim
I am in the process of doing the UIM and I wish I had caught it earlier and not waited for it to start leaking.
Just my $.02
Tim
Sorry, Tim, I just had no cores. Bummer. :(
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Old 04-21-2006, 02:11 AM   #12
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mine did that smell thing for awhile (i ignored it, bad idea ) and then the little plastic elbow on the intake exploded, so i changed that out and the water pump, and pressure wash my engine and surrounding area... but that was just my experince....
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Old 04-21-2006, 08:57 AM   #13
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I will check the throttle body area again when my wife gets home. I have looked over my entire coolant system with a fine tooth comb and never could find the leak. Maybe the TB is in fact slightly oozing.

My coolant by-pass elbow is only 70,000 miles old. Same with the heater core.
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Old 04-21-2006, 09:18 AM   #14
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Another area to check is the composite tanks on the ends of the radiator. Over time and age they tend to crack, and seep slowly.
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