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Rough idle SOLVED. 200 1985

posted by  ODGuru on  Sun Jul 22 14:11 CST 2007
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last visit: Sat Oct 4 18:52 CST 2014
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Today was a good day for the 85.

History. Would start and stall immediately, needed gas pedal to keep running until fully warm, very rough idle, poor milage,. Loosing coolant internally and leaking oil.

Compression test revealed #3 low. Replaced head gasket and adjusted valves.

Cured low compression, fluid loss, leaking oil. Idle improved a bit but was still pretty rough. Still had hard starting and stall problem.

Today I found....The Power Brake Booster is leaking...on a hunch I had driving to my shop today, when I stopped, I waited about a minute and tried the brakes with the engine OFF. Very hard pedal when design is to have one or two assisted stops with the engine off.

Clamped the booster vacuum hose off and had a smooth idle. Released clamp and darn near killed the engine until it cault itself and stayed running rough.

Now to find a reasonable booster cannister.

Duane






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New Rough idle SOLVED. [200][1985]
posted by  ODGuru  on Sun Jul 22 14:11 CST 2007 >


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