Audi A4 Cabriolet Workshop Service & Repair Manuals

Removing and installing coolant pipe (left-side)

Special tools and workshop equipment required

t	Support bracket -10 - 222 A-

t	Hose clip pliers -V.A.G 1921-

t	Drip tray for workshop hoist -VAS 6208-

t	Mud wing compensation plate -T40045-

Removing   Note All cable ties which are released or cut open when removing must be fitted in the same position when installing. –  Carefully pull engine cover panel off four retaining pins one after the other -arrows-.

–  Unbolt coolant expansion tank -arrow-. –  Detach electrical connector at coolant shortage indicator switch -F66- on coolant expansion tank (bottom). –  Lay aside coolant expansion tank with coolant hoses -1- and -2- connected.

–  Remove bolts -arrows-. –  Remove air ducts -1- and -2-.

–  Unplug electrical connector -1- at air mass meter -G70-. –  Detach air intake pipe -2- at air mass meter. –  Detach clip -arrow- and remove air cleaner housing together with air mass meter.

–  Pull crankcase breather hose off air pipe -arrow-. –  Remove bolts -2- and -3-. –  Disconnect air pipe from turbocharger.   Note Disregard -item 1-.

–  Detach rubber seals from edges of wing mounting flanges. –  Place compensation plates -10 - 222 A- on both sides between the wing mounting flange and the body flange underneath, so that the support bracket -T40045- does not damage the edges of the wings. –  Set up support bracket -10 - 222 A- on bolted flanges of wing panels. Spindles are located at the rear.

–  Attach spindles of support bracket -10 - 222 A- to rear engine lifting eyes. –  Partly take up weight of engine with spindle of support bracket.   WARNING Hot steam or hot coolant can escape when expansion tank is opened; cover filler cap with cloth and open carefully. –  Open filler cap on coolant expansion tank.

–  Vehicles with auxiliary heater: remove bolts -arrows- securing exhaust pipe for auxiliary/additional heater to noise insulation.

–  Open quick-release fasteners -1 … 3- and take off front and rear noise insulation.

–  Place drip tray for workshop hoist -VAS 6208- under engine. –  Disconnect coolant hose -arrow- from coolant pipe (left-side) and drain off coolant.

–  Unbolt anti-roll bar mountings (left and right) -1- and -2-.

–  Unscrew nut -3- at bottom of engine mounting (left-side). –  Unscrew bolts -4- and -5- on console for engine mounting (left-side). –  Unscrew front bolt -1- for subframe (left-side) and detach console for engine mounting -2- (left-side).

–  Unplug electrical connector -1- at engine mounting (left-side). –  Remove bolts -arrows- and detach engine support (left-side).

–  Set aside wiring harness leading to automatic gearbox in vicinity of coolant pipe. –  Remove bolts -arrows- and take off coolant pipe (left-side). Installing Installation is carried out in the reverse order; note the following:   Note t  Renew O-ring. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. t  Fit all cable ties in the original positions when installing. –  Before installing, clean and smoothen sealing surface for O-ring. –  Lubricate new O-ring with »G12+« and slide onto coolant pipe. –  Install console for engine mounting with new bolts. –  Install anti-roll bar mountings with new nuts → Rep. gr.40. –  Fill cooling system → Anchor. Tightening torques

Component		Nm
Coolant pipe (left-side) to top section of sump and bracket for ancillaries		9
Engine support to cylinder block		40
Console for engine mounting to longitudinal member		75 1)
Engine mounting to console for engine mounting		23
Air pipe to turbocharger		9
Hose clips	Width 9 mm	3
	Width 13 mm	5.5
l  1) Renew bolts.