1991 Porsche 911 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Porsche 911
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1991 Porsche 911 ProblemsEngine Oil Leaks
Over time, the engine can leak oil at various locations. Early-production vehicles require engine disassembly and modification to resolve leaks at the cylinder heads, oil return tubes, valve covers, timing cover, chain housings, case through bolts, and lines to/from the oil cooler.
Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.
1991 Porsche 911 QuestionsCan the headlamps(vs. the entire headlight unit)be easily replaced on a '91 911? (2 answers)
I'm looking to replace the lamps (internal to the headlight unit) only, not the entire headlight unit
my battery is dead on my 911 how do i charge battery when i can't open hood?