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About Van
Expertise
I have been maintaining a fleet of approximately 55 light, medium and heavy vehicles for over 20 years. Most are 4X4 pickups and off road fire fighting trucks. Some medium duty trucks. Some military light trucks. I can answer most questions concerning 4X4 engine, drive line, suspension, electrical, and fuel, both diesel and gasoline. Ford, GM, and Dodge, old and new, but prefferably not newer than 99.

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Oldsmobile/Buick Repair - I C M 90 BUICK SKYLARK

Expert: Van - 7/21/2007

Question
i have replaced the icm twice in 7 months. everthings else in the ignition system checks out ok. any ideas on what could cause this. thanks

Answer
Hi Ed,
Is yours the distributor type with the module inside the distributor?
http://www.autozone.com/az/cds/en_us/0900823d/80/0e/f2/34/0900823d800ef234/repai...

Fig. 13: Electronic distributor modules used by General Motors
To install:

Coat the bottom of the new module with dielectric lubricant. This is usually supplied with the new module.

Fig. 14: Module replacement is always in need of silicone lubricant

Install the module and tighten the screws until snug.

Van

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