Volkswagen Golf Service & Repair Manual: Assembly overview - pistons and conrods
| Oil threads and contact surface |
| The conrod bearing cap only fits in one position and only on the
appropriate conrod due to the breaking procedure (cracking) separating
the cap from the conrod. |
| Mark allocation to cylinder and conrod in colour
-B-. |
| Installation position: Lug -A- on
conrod bearing cap faces towards pulley end |
| Installation position → Fig. |
| Renew worn bearing shells |
| With industrially cracked conrod bearing cap |
| Mark allocation to cylinder and conrod bearing cap in colour
-B-. |
| Measuring radial clearance
→ Chapter |
| Separate new conrod → Fig.. |
| Installation position: Lug -A- on
conrod bearing cap faces towards pulley end |
| Removing and installing
→ Chapter „Removing and installing pistons“ |
| Mark installation position and cylinder number
→ Fig.. |
| Removing and installing
→ Chapter |
| Checking piston and cylinder bore
→ Chapter |
| Measuring ring gap
→ Fig. |
| Measuring ring-to-groove clearance
→ Fig. |
| Use commercially available piston ring pliers to remove and install. |
| Installation position: marking “TOP” or side with lettering towards
piston crown |
| Measuring ring gap
→ Fig. |
| Measuring ring-to-groove clearance
→ Fig. |
| Use piston ring pliers to remove and install. |
| Installation position: marking “TOP” or side with lettering towards
piston crown |
| Offset gap 120° relative to lower compression ring |
| Installation position and allocation of piston to cylinder |
| Arrow on piston crown points to pulley end
-arrow-. |
|
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| Bearing shells - installation position |
| – |
Centre bearing shells on conrod and on conrod bearing cap. |
|
|
|
| On new conrods it is possible that the breaking point is not
fully separated. When the conrod bearing cap cannot be removed
by hand, proceed as follows: |
| – |
To avoid damage, gently clamp conrod in a vice with
protection jaws, as shown in illustration. |
| Clamp conrod below dashed line. |
| – |
Unscrew bolts -arrows- around 5
turns. |
|
|
|
| – |
Using a plastic hammer, carefully knock against conrod
bearing cap -arrow- until it is
loose. |
|
|
|
Special tools and workshop equipment
required
Drift -VW 222 A-
Piston ring ...
Other materials:
Run-flat tyres, structure of a PAX tyre
Run-flat tyres (PAX) are specially developed tyres that
differ from conventional tyres as follows:
PAX tyre with support ring
–
-I- Pax tyre with regular tyre
pressure
...
Warning and indicator lamps
First read and observe the introductory information
and safety warnings
Lit up
Possible cause
Solution
The electronic parking brake is switched on.
Do not drive
on!
Switch off electronic parking brake .
...
Removing and installing right vent temperature sender -G151
Special tools and workshop equipment
required
Vehicle diagnostic tester
Removing
Note
Only on vehicles with Climatronic. On vehicles with heater
or air conditioning syste ...
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Removing and installing pistons