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Dave Nova
Dave Nova, Buick Technician
Category: Buick
Satisfied Customers: 19451
Experience:  ASE Master Certification. GM World Class Certification
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1997 lesabre: v6..will not turn over .seems to be locked

Customer Question

1997 lesabre 3800 v6 motor will not turn over .seems to be locked up ... any ideas where to start
Submitted: 5 years ago.
Category: Buick
Expert:  Dave Nova replied 5 years ago.
Hello and thank you for using JustAnswer. My name is XXXXX XXXXX I will do my best to help you with your Buick problem.

A common problem on these engines is an upper intake manifold coolant leak due to burn through of the egr passage. When this happens, coolant can fill the intake and the cylinders, causing a hydrostatic lock. Remove the spark plugs from all cylinders, then turn the engine over to push the coolant out of the cylinders. If you find that there is coolant in the cylinders causing the problem then the upper intake manifold will need to be replaced.
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Customer: replied 5 years ago.

could it be a timing chain problem?


Country: United States
Make: Buick
Model: LeSabre
Year: 1997
Engine: 3800

Expert:  Dave Nova replied 5 years ago.
Not likely a timing chain issue. We do not see timing chain failures on this engine, even with lots of miles.

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