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Resources for the Repair and Maintenance of your 1990 Porsche 911

1990 Porsche 911

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1990 Porsche 911 Problems

Miscellaneous -- Verified

Wind noise at the front of the car and water leaks at the vent wing are typical problems on Targa models.

Exhaust & Emissions -- Verified

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

Brakes -- Verified

The brake warning display and warning gong can activate, typically after the first start of the day. The warning light/gong might stop after idling for a short time. This fault is usually caused by low stored hydraulic pressure due to a failed high pressure accumulator.

Brakes -- Verified

An external fluid leak may develop at the pressure switch; fluid will be evident in the trunk and the reservoir level will drop.

Brakes -- Verified

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

1990 Porsche 911 Recalls (Recent)

Body, Interior & Misc., January 15, 1991

Summary: LUGGAGE IN THE LUGGAGE COMPARTMENT AND OR PLASTIC TRIM SURROUNDING THE SAFETY LATCH MAY PREVENT THE LATCH ON THE FRONT HOOD FROM PROPERLY LOCKING.

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Drive Train, October 26, 1992

Summary: THE BALL SOCKETS ON THE CRUISE CONTROL LINKAGE CAN BREAK, ALLOWING THE CRUISE CONTROL LINKAGE TO BECOME DETACHED ON ONE END AND JAM ON NEARBY COMPONENTS, WHICH COULD IMPAIR THROTTLE PLATE OPERATION.

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Electrical & Lights, January 3, 1994

Summary: 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.

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Suspension & Steering, September 1, 1996

Summary: A PART OF THE STEERING COLUMN UPPER UNIVERSAL JOINT CRACKED DURING THE MANUFACTURING PROCESS.

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1990 Porsche 911 Questions and Answers

Poppa Earl, 1990 Porsche 911, w/o Turbo, Concord, NC

My 1971 front brake caliper is froze up. What is the best way to free it up?

ystephen, 1990 Porsche 911, w/o Turbo, Marysville, MI

My car isn't listed, so I chose one at random to ask the question.
I have a 1977 Fiat 124 Spyder
The clutch has begun to slip and there is an engine oil or gearbox leak that is seen dripping...

xena, 1990 Porsche 911, w/o Turbo, Jacksonville, FL

My cruise control stopped working two years ago. I bought a used (working) Cruise Control Control Unit (Under Passengers Seat). This did not fix the problem. I then replaced a MicroSwitch (locat...

rlaham, 1990 Porsche 911, w/o Turbo, Brookline, MA

can you remove cam cover and inspect camshaft without pulling engine out

paylo8, 1990 Porsche 911, w/o Turbo, Canfield, OH

Every time I start my 76 911 (with the idle at 1000 rpms), I start to hear a stretching sound that seems to be coming from the fan/alternator area. As the stretching sounds, the rpms go from 1000 t...

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1990 Porsche 911 Reviews

A real success story for Porsche.The 911 line up seemed to get better with each year.This is the "real" Porsche design philosophy...rear engine , air cooled.A great performer , the engine is as strong as they come.Service cost can be high.For example valves require manual adjustment , dual ignition has twelve spark plugs...every 15,000 mile service.Plus twelve quarts of synthetic oil every 7,500 miles.Unfortunately deferred maintenance will cost in the long run.A few oil leaks remain to be fixed , but thats on the list.
All in all a real tour de force from concept to build.

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