Volkswagen Golf Service & Repair Manual: Checking compression
Special tools and workshop equipment
required |
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Spark plug socket and extension -3122 B- |
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Compression tester -V.A.G 1763- |
Engine oil temperature at least 30 °C. |
Battery voltage at least 12.5 V |
– |
Remove fuse for fuel pump control unit from fuse holder.
Fuse assignment → Current
flow diagrams, Electrical fault finding and Fitting locations |
Note
Removing fuse interrupts voltage supply for fuel pump
control unit. |
– |
Start engine and run it until it turns off. |
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– |
Release hose clips -1- and
-2-, and remove air pipe. |
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|
– |
Pull off connector -2- and
unscrew bolt -1-. |
– |
Pull out ignition coils with output stages. |
– |
Unscrew spark plugs using spark plug socket and extension
-3122 B-. |
– |
Check compression using compression tester -V.A.G 1763-.
Refer to
→ operating manual for information on how to use it. |
– |
Have a second mechanic press down accelerator completely and
simultaneously operate starter until pressure no longer
increases on tester display. |
– |
Repeat procedure on each cylinder. |
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Compression pressures |
bar |
New |
10.0 … 15.0 |
Wear limit |
7.0 |
Maximum difference between
cylinders |
3.0 |
Installation is carried out in the reverse order; note the
following: |
– |
Install ignition coils with output stages
→ Chapter. |
– |
Entries are stored in the event memory of the engine control
unit because electrical connectors were disconnected and the
engine was started: Generate readiness code
in Guided functions
→ Vehicle diagnostic tester. |
→ Chapter „Assembly overview - ignition system“ |
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|
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Removing
–
Remove coolant pump
→ Chapter.
–
Remove air filter housing
→&nbs ...
Other materials:
General information
Repair instructions for repair work on ABS
The ABS brake system is divided diagonally. The
servo-assistance is effected pneumatically by the vacuum brake
servo unit.
Vehicles with ABS are not fitted with a mechanical brake
pressure regu ...
Removing and installing control unit and hydraulic unit, LHD vehicles,
four-wheel drive, »R«
Special tools and workshop equipment required
Torque wrench -V.A.G 1331-
Torque wrench -V.A.G 1410-
Brake pedal depressor -V.A.G 1869/2-
Sealing plugs, assemb ...
Assembly overview - B-pillar trim
Note
The illustration shows the B-pillar trims on the left side.
The right-hand side is similar (mirror image of left-hand side).
Upper part of B-pillar trim
I: Upper B-pillar trim, 4-door model
...
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