1991 Porsche 911 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Porsche 911

1991 Porsche 911 Problems

Check Engine Light due to faulty oxygen sensor

Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.

Clutch release mechanism may fail
The release mechanism for the clutch (including the release arm bearings and shaft) can fail and cause stiff, binding, and possibly noisy pedal operation.
Clutch modification for early-production vehicles
The clutch release on early-production vehicles requires modification to make it compatible with newer repair parts.

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1991 Porsche 911 Questions

Can 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

dead battery (2 answers)

my battery is dead on my 911 how do i charge battery when i can't open hood?

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1991 Porsche 911 Recalls

Recall 96V147000
A PART OF THE STEERING COLUMN UPPER UNIVERSAL JOINT CRACKED DURING THE MANUFACTURING PROCESS.
Recall 93V204000
AFTER THE ENGINE HAS BEEN TURNED OFF, THE REAR HEATER WILL AUTOMATICALLY OPERATE IN ORDER TO DISSIPATE HEAT IN THE ENGINE HEATING SYSTEM. DURING THIS OPERATION, THE RESISTOR FOR THE REAR HEATER BLOWER CAN BECOME OVERLOADED DUE TO A BINDING OR SEIZED REAR HEATER BLOWER.
Recall 93V205000
THE HYDRAULIC BRAKE PRESSURE REDUCTION VALVE CAUSES THE RATE OF HYDRAULIC PRESSURE REDUCTION TO SLOW DOWN, WHICH MAY RESULT IN THE REAR WHEELS LOCKING-UP EVEN WITH THE ANTI-LOCK BRAKE SYSTEM IN OPERATION.

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