Google+
Facebook
Twitter
Email

Porsche » 911 » 1990 Porsche 911 » Car Problems

Problem Reports

Report A Problem

Problem with your car? See what our experts say or submit your own.

1990 Porsche 911 Problems

Airbag light or dead battery due to normal operating clock

for the Porsche 911

A normal operating clock may cause the airbag warning lamp to illuminate or a chronic dead battery.

9 Reports

Me Too

Engine Oil Leaks

for the Porsche 911

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.

10 Reports

Me Too

ABS light on due to moisture and corrosion

for the Porsche 911

The accumulation of moisture at major connectors and control units can cause various ABS/PDAS faults due to corrosion.

9 Reports

Me Too

Failed Hood and Deck Lid Supports

for the Porsche 911

The front hood and rear deck lid support struts may fail; replacement is required.

10 Reports

Me Too

Inspect CV Boots and Joints at Each Service

for the Porsche 911

The constant velocity (CV) boots and CV joints should be inspected at each service. Servicing the torn CV boots early can prevent the need to replace the CV half shaft or CV joint.

9 Reports

Me Too

Engine Valve Guide Wear

for the Porsche 911

Engine issues related to valve guide wear are common. Oil consumption, smoking at first startup, and valve train noise are all symptomatic of loose guides and worn valve stems. The valve train is complex and should be thoroughly inspected if a problem arises.

9 Reports

Me Too

Small leaks around intake manifold/intercooler area may cause performance problems

for the Porsche 911

An accumulation of small air leaks at various locations around the intake manifold/intercooler area can cause performance problems.

1 Report

Me Too

Failure of dual mass flywheel

for the Porsche 911

The dual mass flywheel can fail and cause symptoms like noise and chatter when operating the clutch and changing gears.

9 Reports

Me Too

Repairs and adjustments on the Cabriolet tops

for the Porsche 911

Various repairs and adjustments to the drive mechanism (including cables) are commonly needed on the Cabriolet tops.

10 Reports

Me Too

Engine misfire or excess fuel consumption can damage catalytic converter

for the Porsche 911

If engine misfiring, rough running, or fuel consumption issues are not resolved quickly, the catalytic converter can overheat and fail.

10 Reports

Me Too

Climate control module may cause dead battery

for the Porsche 911

Climate control modules can be problematic. Symptoms vary but include failure or persistent dead battery after not using the vehicle for a while.

9 Reports

Me Too

Creaking noise from the windshield and body/seal area

for the Porsche 911

Creaking noises while driving over bumps and when cornering may be difficult to diagnose, but are usually caused by the windshield at the body/seal area. The latest version seal and/or lubricant can solve the problem.

9 Reports

Me Too