Volkswagen Workshop Service and Repair Manuals > Golf Mk6 > Power unit | 4-cylinder injection engine (1.4 l direct injection engine, turbocharger and supercharger) | Engine cylinder head, valve gear | Cover for timing chain | Removing and installing valve timing housing (Eos, Golf Plus, Scirocco, Golf, Polo, Sharan, Golf Cabriolet)

Installing

Note

t	From model year 2009, a diamond coated washer is installed. The washer prevent the crankshaft from being turned when the securing bolt is tightened.

t	Install a diamond coated washer -7- when a washer was not fitted as original equipment → Electronic parts catalogue„ETKA“.

t	The washer is fitted -7- between the bearing bush -5- and the crankshaft chain sprocket.

t	Note that all contact surfaces from the securing bolt to the crankshaft chain sprocket must be free of oil and grease.

–	Clean sealing surfaces carefully. They must be free of oil and grease.

1 -	Securing bolt

2 -	Crankshaft belt pulley

3 -	Diamond coated washer (clipped onto crankshaft belt pulley)

4 -	Crankshaft oil seal

5 -	Bearing bush

6 -

O-ring

7 -	Diamond coated washer

Note

t	Timing housing is still sealed to engine with a gasket and additionally with silicone adhesive sealant -D 176 501 A1-.

t	Silicone adhesive sealant -D 176 501 A1- prevents leaks between timing housing and joints -1- and -2-.

t	Sealant spots must have a diameter of 10 mm and a thickness of approx. 1 mm.

t	Do not apply sealant until directly before the valve timing housing is fitted.

–	Apply silicone adhesive sealant -D 176 501 A1- to joints between camshaft housing and cylinder head -1- and between cylinder head and cylinder block -2-.

–	Fit new gasket onto dowel pins.

–	When fitting, install two -M6x80- studs into cylinder head and cylinder block as a guide.

–	Fit valve timing housing with crankshaft bearing bush simultaneously onto studs, dowel pins and crankshaft journal.

–	Tighten valve timing housing securing bolts evenly and diagonally.

Ensure that timing housing is not canted.

Specified torque:

M6 bolt to 10 Nm.

M10 bolt to 50 Nm.

Eos, Golf Plus, Scirocco, Golf, Golf Cabriolet, Sharan

Align engine mountings as follows:

t	There must be a distance -a- of at least 10 mm between engine support and longitudinal member (right side).

t	The side surface of the engine support -2- should be located parallel to the support arm -1-.

Polo

–	Rock engine to align engine mountings stress-free.

Install crankshaft belt pulley → Chapter.

Further assembly is basically the reverse of the dismantling sequence.