sensor AUDI A8 1997 D2 / 1.G 01V Transmission Remove And Install Workshop Manual

37-74

All except 2.7 Liter 5V turbo engine:

- Remove cover above air filter housing.

For all 6 cylinder engines: - Remove air guide -1- between air filter housing and lock carrier.
- Disconnect connector for Evaporative Emission (EVAP) canister purge
regulator valve -2-, and remove valve from bracket. Disconnect
connector -3- at Mass Air Flow (MAF) sensor.
- Remove intake air duct -4- from intake manifold.
- Remove upper part of air filter housing -5-.
- Unbolt engine coolant expansion tank and lay aside.
- Remove Heated Oxygen Sensor (HO2S) from front exhaust pipes (left
and right).
- Remove upper securing nuts from front exhaust pipes (left and right).
- Assemble both 10-222A/3 engine support adapters for front and rear
spindles on support bar.

- Set 10-222A engine support bridge onto the fender mounting flanges
using 10-222A/1 brackets.
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- Disconnect engine speed (RPM) sensor -G28- (arrow B) from
transmission at front left (if installed).
- Remove connector for speedometer (arrow -A-) from transmission.

- Remove noise insulation bracket -1-.
- Swing securing lever -4-, disconnect connector for transmission wiring
harness.
- Disconnect connector -2- of wire for multi-function switch.
- Unbolt bracket -3- for harness connector.
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For vehicles with Torx bolts:

Repair Manual, Electrical Equipment, Repair Group 27; Starter,
removing and installing
- Bolt 3 torque converter bolts to drive plate using respective Torx insert
(turn crank shaft an additional 1/3 turn every time).
- Install starter.
- Install ATF lines to engine/transmission subframe.
- Install bracket for ATF- line.
- Slightly raise engine/transmission subframe at rear via VAG1383A
hoist.

Repair Manual, Suspension, Wheels, Steering, Repair Group 40
- Bolt in engine speed (RPM) sensor -G28- (arrow -B-) at front left of
transmission (if installed).
- Connect connector for speedometer Vehicle Speed Sensor (VSS).
- Bolt drive axles to transmission flanges.
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- Remove air distributor (arrows).

- Remove heat sensor -1- from right turbocharger using 3035.
- Remove heat shields -2- from left and right turbochargers.
- Remove upper bolts -3- to front line to left and right turbochargers.
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- Disconnect connector -1- for oxygen sensor (right side) at bulkhead.
- Expose wire with connector to oxygen sensor.

- Disconnect connectors -2- of left oxygen sensor at bulkhead and
remove lower part of connectors from bracket.
- Expose wire with connector to oxygen sensor.
- Remove all connecting bolts for engine/transmission which can be
reached from the top.
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Repair Manual, Suspension, Wheels, Steering, Repair Group 40
- Remove left and right heat shields for drive axles (arrows).
- Disconnect drive axles from transmission drive flanges.

- Unbolt engine speed (RPM) sensor -G28- (arrow B) from transmission
at front left.
- Remove connector for speedometer (arrow -A-) from transmission.
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For vehicles with the illustrated vertical headlight
aim control system, notes in the following repair
manuals must be observed before lowing
subframe;
Repair Manual, Suspension, Wheels, Steering,
Repair Group 40; control arm removing and installing; sensor for vehicle leveling in vehicles with automatic vertical headlight aim control regulation.

Otherwise the sensor may be destroyed.
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