warning AUDI A4 1998 B5 / 1.G AFC Engine Assembly Workshop Manual
Page 3 of 20
10-2
Safety precautions
WARNING!
Be sure the ignition is switched OFF, when:
Disconnecting ignition wires
Disconnecting fuel injection system wiring
Connecting or disconnecting test equipment
leads
Disconnecting the battery
Washing the engine or engine
compartment.
CAUTION!
BEFORE disconnecting the battery:
Stop the engine.
Be sure the ignition is switched OFF (also
applies when connecting the battery). Failure
to do so may damage the Engine Control
Module (ECM).
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Page 7 of 20
10-5
- Remove intake air duct to air cleaner at air
scoop and lift out.
- Disconnect harness connectors for headlights and turn signal lights.
- Disconnect harness connector of engine coolant temperature sensor
near bottom coolant hose at left of radiator.
- Disconnect four harness connectors at ABS hydraulic unit.
- Disconnect harness connectors for anti-theft warning system at upper
left of front end.
- Disconnect coolant hose at top left of engine.
- Unclip and disconnect A/C clutch harness connectors at radiator air
guide on lower right.
- Disconnect harness connectors at both horns, let cables hang free.
- Remove air scoop.
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Page 15 of 20
10-11
Installing
The engine is installed in the reverse order of
removal, with the addition of the following special
conditions and steps:
WARNING!
Do not re-use any fasteners that are worn or
deformed in normal use. Many fasteners are
designed to be used only once and become
unreliable and may fail when used a second
time. This includes, but is not limited to, nuts,
bolts, washers, self-locking nuts or bolts,
circlips and cotter pins. Always follow
recommendations given in this publication.
Always replace these fasteners with new
parts.
- Check that alignment sleeves for centering
engine and transmission are properly installed in
cylinder block. Install sleeves if necessary.
- Always install new seals and gaskets.
- Check centering of clutch disc, if necessary.
- Check clutch release bearing for wear and
replace if necessary.
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