1999 Porsche 911 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Porsche 911
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1999 Porsche 911 ProblemsRear Main Seal/Intermediate Support Cover O-ring may Leak Oil
Engine oil leaks can occur at the rear main seal and/or intermediate support cover o-ring; a revised seal is available. A careful diagnosis with proper tools is necessary to verify dimensional accuracy of the crankshaft to engine block.
Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.
1999 Porsche 911 QuestionsCap was not tighten correctly on the coolant tank, coolant leaked onto engine. (2 answers)
The mechanic did not tighten the cap on the coolant tank, hot coolant, steam came out, runs all over the place, and now my car runs really bad, it want start. Can you explain what happen?
Where is engine cover manual release?
car has 145000 miles. recently alarm malfunctioning and emitting lite on dash not appearing at all.