2004 Porsche 911 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Porsche 911
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2004 Porsche 911 ProblemsValve cover leaks are common
Valve cover leaks are common.
Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.
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.
2004 Porsche 911 QuestionsI think I blew my head gasket. Should I drive my car to the shop? (1 answer)
All the time whether the engine is on or off, coming from the exterior engine compartment.
I am getting a low drive cycle warning what could be the problem and fix?