Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 659
– Lubricate the balance shaft mountings -arrows- with engine
oil.
– Install the intake side balance shaft and tighten the bolt -2-.
– Replace the O-ring -1- and coat with engine oil.
– Coat the mounting pin with engine oil and insert it. The align‐
ment pin -arrow- for the mounting pin must engage in the hole
in the cylinder block.
Note
♦
Always replace the intermediate sprocket. Otherwise the
backlash will not adjust itself and it could result in engine dam‐
age.
♦
The new intermediate sprocket has an anti-friction coating that
wears off after a short period of use, which automatically ad‐
justs the backlash.
– Mark the tooth face on the intermediate sprocket -arrows-.
– Install the intermediate sprocket; the marking on the balance
shaft must be between the markings on the tooth faces.
– Tighten the bolt -1- for the intermediate sprocket: tightening
sequence. Refer to
⇒ Fig. ““Intermediate Sprocket Tightening Sequence”“ ,
.
– Check the markings on the intermediate sprocket/balance
shaft -arrow-.
Assemble in reverse order of disassembly. Note the following:
– Install the balance shaft drive chain. Refer to
⇒ “3.4 Balance Shaft Drive Chain, Removing and Installing”,
.
– Install camshaft timing chain. Refer to
⇒ “3.3 Camshaft Timing Chain, Removing and Installing”,
.
– Install the lower timing chain cover. Refer to
⇒ “2.2.2 Lower Timing Chain Cover, Removing and Installing”,
.
– Install the upper timing chain cover. Refer to
⇒ “2.2.1 Upper Timing Chain Cover, Removing and Installing”,
.
– Replace the intake side balance shaft seal. Refer to
⇒ “4.3 Balance Shaft Sealing Ring, Replacing, Intake Side”,
– Install the toothed belt on the coolant pump. Refer to
⇒ “2.8 Coolant Pump Toothed Belt, Removing and Installing”,
.
Tightening Specifications
♦ Refer to
⇒ “4.1 Overview - Balance Shaft”, page 69
4.2.2
Balance Shaft Exhaust Side, Removing
and Installing
Caution
This procedure contains mandatory replaceable parts. Refer
to component overview prior to starting procedure.
Mandatory Replacement Parts
♦ Balance Shaft - Exhaust Side
♦ Bearing - Needle Rim
♦ Bolt - Exhaust Side Balance Shaft
Note
Balance shaft and needle bearing must be replaced after every
removal. Install a new needle bearing with the same color identi‐
fication
Removing
• Engine removed.
– 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 -1- for the exhaust side balance shaft and
remove the balance shaft.
Installing
– Check the installed position for the balance shaft pipe. The
openings -arrow- must face the chain side.
– Lubricate the balance shaft mountings -arrows- with engine
oil.
– Install the exhaust side balance shaft.
– Before tightening the bolt -1- make sure the balance shaft lies
level on the crankshaft.
Note
If the balance shaft is not level, then the pipe for the balance shaft
must be installed again.
Assemble in reverse order of disassembly. Note the following:
– Install the balance shaft drive chain. Refer to
⇒ “3.4 Balance Shaft Drive Chain, Removing and Installing”,
.
– Install camshaft timing chain. Refer to
⇒ “3.3 Camshaft Timing Chain, Removing and Installing”,
.
– Install the lower timing chain cover. Refer to
⇒ “2.2.2 Lower Timing Chain Cover, Removing and Installing”,
.
– Install the upper timing chain cover. Refer to
⇒ “2.2.1 Upper Timing Chain Cover, Removing and Installing”,
.
Tightening Specifications
♦ Refer to
⇒ “4.1 Overview - Balance Shaft”, page 69
4.3
Balance Shaft Sealing Ring, Replacing,
Intake Side
Special tools and workshop equipment required
♦ Seal Installer, Intermediate Shaft - T10356/1-
Caution
This procedure contains mandatory replaceable parts. Refer
to component overview prior to starting procedure.
Mandatory Replacement Parts
♦ Bolt - Sprocket
♦ Seal - Balance Shaft Intake Side
Procedure
– Remove the toothed belt from the coolant pump. Refer to
⇒ “2.8 Coolant Pump Toothed Belt, Removing and Installing”,
.
– Remove the bolt -2-.
– Remove the drive wheel -1- for the toothed belt from the cool‐
ant pump.
– Firmly press a screwdriver -1- on the seal surface -2- in direc‐
tion of -arrow B-.
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