Audi Workshop Service and Repair Manuals

Removing and installing coolant pipe (front) Special tools and workshop equipment required

t  Hose clamps for hoses up to 25 mm Ø -3094-

t  Used oil collection and extraction unit -V.A.G 1782- Removing   Note All cable ties which are released or cut open when removing must be fitted in the same position when installing. –  Remove intake manifold → Chapter. –  Remove toothed belt → Chapter. –  Remove camshaft sprockets on cylinder head (left-side).

–  Remove bolts -1- and -2- and take off toothed belt cover (rear left).

–  Place used oil collection and extraction unit -V.A.G 1782- under engine. –  Use hose clamps -3094- to pinch off both hoses at hydraulic fluid supply pipe. –  Disconnect both hydraulic hoses from supply pipe. –  Disconnect coolant hoses from coolant pipe (front).

–  Unscrew bolts -1- and -2- and move wiring clear of coolant pipe. –  Pull coolant pipe off from front -arrow-. Installing Installation is carried out in the reverse order; note the following:   Note t  Renew O-rings. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue. –  Clean and smoothen sealing surface for O-ring as required. –  Lubricate new O-ring with “G12+” and slide onto coolant pipe. –  Push front coolant pipe into opening in rear coolant pipe. –  Install intake manifold → Chapter. –  Install toothed belt (adjust valve timing) → Anchor. –  Fill cooling system → Anchor. –  Top up power steering fluid and bleed steering system → Rep. Gr.48. Tightening torques

Component		Nm
Front coolant pipe to cylinder head	M6	10
	M8	22
Toothed belt cover (rear) to cylinder head/ cylinder block		10 1)
l  1) Renew bolts.