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 ProblemsCoolant Loss and Engine Overheating
A small leak in the coolant reservoir can cause persistent coolant loss. To ensure engine longevity, coolant loss and overheating issues need to be resolved. Out technicians tell us the proper coolant fill procedure must be followed when refiling the cooling system.
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.
Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal leak at the oil separator.
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.