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1990 Audi 100 Service and Repair Manual
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$40.99 USD
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Fits the 1990 100 — Base Sedan 4-Door ·
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$40.99
1990 Audi 100 Service and Repair Manual
Regular price
$40.99 USD
Unit price
This 1990 Audi 100 factory service and repair manual is built around the 2.3L five-cylinder (engine code NF) as delivered in the Base Sedan, so the specifications, wiring, and torque values inside track this exact car rather than an averaged, multi-year printing.
Engines covered
- 2.3L inline-five — SOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Base
Known issues on the 1990 100. Four recalls are on federal record for this model year. The first covers the transaxle: differential oil is lost over time to evaporation, and the resulting low oil level causes premature bearing and gear wear, up to loss of drive-wheel power or the front wheels locking and rapid deceleration. The second covers the gas filler door placard, which omitted the required vehicle capacity weight label under FMVSS 110. The third covers the trunk-mounted jack instruction label, which is incorrect for the jack actually supplied, risking incorrect use and jack collapse. The fourth covers the frontal air bag sensor and control module, which can fail to meet Audi's durability standards over the vehicle's lifetime and inadvertently deploy the air bag without warning. Owners have filed 16 complaints for the year and no technical service bulletins are logged. The factory diagnostic and repair procedures behind each of those systems are here.
From a differential oil check to correcting the jack label or working through the air bag sensor circuit, it keeps you on the OEM procedure and the correct specification for your specific 1990 100.
THE DIFFERENTIAL OIL OF THE TRANSAXLE IS LOST OVER TIME DUE TO EVAPORATION. LOW OIL LEVELS CAUSE PREMATURE BEARING AND GEAR WEAR AND EVENTUAL FAILURE OF THE DIFFERENTIAL.
Consequence
IN THE EVENT OF FAILURE, THE VEHICLE'S DRIVE WHEELS COULDLOSE POWER. IN EXTREME CIRCUMSTANCES, THE FRONT WHEELS LOCK, CAUSING RAPIDDECELERATION RESULTING IN POSSIBLE LOSS OF VEHICLE CONTROL AND AN ACC
Remedy
DRAIN AND REPLACE THE DIFFERENTIAL GEAR OIL WITH OIL HAVING HIGHER PERFORMANCE CHARACTERISTICS.
THE VEHICLE CAPACITY WEIGHT WAS INADVERTENTLY OMITTED FROM PLACARD LOCATED INSIDE THE GAS FILLER DOOR, AS REQUIRED BY FMVSS 11O.
Consequence
VEHICLES FAIL TO MEET THE REQUIREMENTS OF FMVSS 110.
Remedy
NEW LABELS CONTAINING THE VEHICLE CAPACITY WEIGHT WILL BE AFFIXED TO THE VEHICLES.
INSTRUCTION LABEL IN THE TRUNK OF VEHICLE IS INCORRECT FOR THE JACK SUPPLIED WITH THE VEHICLE.
Consequence
INCORRECT USE CAN RESULT IN THE JACK COLLAPSING, WITHINJURY TO INDIVIDUALS UNDER OR NEAR VEHICLE DURING COLLAPSE.
Remedy
SUPPLY INSERT TO OWNER'S MANUAL NOTING CORRECT USAGE, AS WELL AS A CORRECTED INSTRUCTION LABEL FOR THE TRUNK.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
Consequence
IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITHOUT WARNING COULD CAUSE A DRIVER TO LOSE VEHICLE CONT
Remedy
DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.
No service bulletins
No technical service bulletins on file with NHTSA for the 1990 Audi 100.
TRANSMISSION FAILED, CAUSING VEHICLE TO BANG INTO REVERSE GEAR/ENGINE TO RACE/SUDDEN ACCELERATION. *SKD
SHORT IN DASHBOARD LIGHTS CAUSES FUSE TO BLOW FREQUENTLY.
UNIROYAL TIRE FAILED AFTER TWO MONTHS.
ENGINE WARNING LIGHT ILLUMINATED.
REAR WINDOW DEFOGGER INOPERABLE, CAUSING POOR VISIBILITY.
TEMPERATURE GAUGE SENDING UNIT REPLACED.
FAN BELT REPLACED.
EGR TEMPERATURE SENSOR REPLACED.
Showing the 8 most serious of 16 complaints filed with NHTSA.