Hot temp. gauge should I take to shop? See detail below

Asked by Guru9YCMWM Feb 01, 2021 at 02:45 PM about the 2001 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

temp gauge spiked red on Sunday and then went back to normal on my 2001
Buick Lesabre with 87,000 miles, added some antifreeze (it   was a  little low),
ran OK this am, should I take to shop to check out,


2 Answers

If you have not done a full cooling system service in the last few years it is probably overdue.

1 people found this helpful.

Absolutely have this looked at! You could be looking at an early warning sign of intake manifold gasket failure. At your current mileage, your due! GM 3.8L V6 are notorious for upper and lower intake manifold gasket failure. Look for coolant pooling on the top of the engine. If that's what's going on have it repaired ASAP. You do NOT want to reuse the plastic upper intake manifold (upper plenum). They crack. Replace it! Get the SECOND design Fel Pro Problem Solver intake manifold gasket set. If the lower intake manifold can't be reused (most likely it can be) get the AC Delco replacement. The Dorman version will not fit. Hope that helps! Jim

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