Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 658
– Install the crankshaft bearing and secure with the old bolts
-1 to 10-. Refer to
⇒ Fig. ““Crankshaft, Tightening Sequence”“ , page 63
. Do not
turn the crankshaft.
Note
Ignore bolts -arrow A-.
– Remove the crankshaft bearing cap again.
– Compare width of Plastigage
®
with calibrated scale.
Radial clearance:
• New: 0.017 to 0.037 mm.
• Wear limit: 0.15 mm.
3.7
Sensor Wheel, Removing and Installing
– Removing engine. Refer to
⇒ “1.1 Engine, Removing”, page 8
– Remove the sealing flange on the transmission side. Refer to
⇒ “2.3 Sealing Flange, Removing and Installing, Transmission
– Remove the oil pan upper section. Refer to
⇒ “1.4 Oil Pan Upper Section, Removing and Installing”, page
.
– Remove the balance shaft timing chain. Refer to
⇒ “3.4 Balance Shaft Drive Chain, Removing and Installing”,
– Remove the connecting rod bearing cover.
– Remove the crankshaft bearing cover.
– Remove the crankshaft and the sensor wheel.
– Replace the sensor wheel -2- each time the bolts -1- are loos‐
ened.
Note
♦
After tightening a second time, the attachment point of the
countersunk screws of the sensor wheel are so deformed that
the screw heads lie on the crankshaft -3- -arrows- and the
sensor wheel is loose underneath the screws.
♦
Installation of the sensor wheel is only possible in one position,
the bore holes are shifted.
Tightening Specifications
♦ Refer to
⇒ “3.1 Overview - Crankshaft”, page 62
.
4
Balance Shaft
⇒ “4.1 Overview - Balance Shaft”, page 69
⇒ “4.2 Balance Shaft, Removing and Installing”, page 70
⇒ “4.3 Balance Shaft Sealing Ring, Replacing, Intake Side”, page
4.1
Overview - Balance Shaft
1 - Bolt
❑ 4 Nm 45°
❑ Replace after removing
2 - Balance Shaft
❑ Exhaust side
❑ Must be replaced after
removing
❑ Lubricate the bearing
with engine oil
❑ Replacing. Refer to
3 - Needle Bearing Rim
❑ Replace the balance
shaft after each remov‐
al.
❑ Install a new needle
bearing with the same
color identification
4 - Pipe for Balance Shaft
❑ Installed position. Refer
to
5 - Cylinder Block
6 - Balance Shaft Seal Intake
Side
❑ Replacing. Refer to
.
7 - Balance Shaft
❑ Intake side
❑ Must be replaced after removing
❑ Lubricate the bearing with engine oil
❑ Replacing. Refer to
⇒ “4.2.1 Balance Shaft Intake Side, Removing and Installing”, page 70
.
8 - Needle Bearing Rim
❑ Replace the balance shaft after each removal.
❑ Install a new needle bearing with the same color identification
9 - Bolt
❑ 4 Nm 45°
❑ Replace after removing
Balance Shaft Pipe - Installed Position
The openings -arrow- must face the chain side.
4.2
Balance Shaft, Removing and Installing
⇒ “4.2.1 Balance Shaft Intake Side, Removing and Installing”,
.
⇒ “4.2.2 Balance Shaft Exhaust Side, Removing and Installing”,
.
4.2.1
Balance Shaft Intake Side, Removing
and Installing
Balance shaft and needle bearing must be replaced after every
removal. Install a new needle bearing with the same color identi‐
fication
Caution
This procedure contains mandatory replaceable parts. Refer
to component overview prior to starting procedure.
Mandatory Replacement Parts
♦ Balance Shaft - Intake Side
♦ Bearing - Needle Rim
♦ Bolt - Intake Side Balance Shaft
♦ Bolt - Intermediate Sprocket
♦ O-ring - Intermediate Shaft
♦ Sprocket - Intermediate
Removing
• Engine removed.
– Remove the toothed belt from the coolant pump. Refer to
– Remove timing chain upper cover. Refer to
⇒ “2.2.1 Upper Timing Chain Cover, Removing and Installing”,
.
– Remove the lower timing chain cover. Refer to
⇒ “2.2.2 Lower Timing Chain Cover, Removing and Installing”,
.
– Remove the camshaft timing chain. Refer to
⇒ “3.3 Camshaft Timing Chain, Removing and Installing”,
.
– Remove the balance shaft drive chain. Refer to
⇒ “3.4 Balance Shaft Drive Chain, Removing and Installing”,
.
– Remove the bolt -2-.
– Remove the drive wheel -1- for the toothed belt from the cool‐
ant pump.
– Remove the intermediate shaft sprocket -1-.
– Remove the bolt -2- for the intake side balance shaft and re‐
move the balance shaft.
Installing
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