SEAT Workshop Service and Repair Manuals

Removing and installing coolant pipe t  Removing → Anchor t  Installing → Anchor t  Tightening torques → Anchor Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter. Special tools and workshop equipment required

t  Collecting tray -T20173-, see equivalent → Anchor

t  Base -T20174-, see equivalent → Anchor

Removing Engine code letters BJB, BKC, BXE, BXF –  Pull the oil dipstick -1- out of the guide tube. –  Lift the engine cover by the sides -arrows 2- and pull it out forwards -arrow 3-. –  Replace the oil dipstick in the guide tube.

–  Remove the electrical connector -2- from the air mass meter -G70-. –  Detach vent hose -1- and air duct hoses -3- and -5-. –  Remove bolt -4- and take out air cleaner housing.

Select engine identification letters BLS –  First remove the outer cover -1- and then the inner cover -2- upwards equally.

–  Unplug electrical connector -5- at air mass meter -G70-. –  Remove the de-aeration hose -1- and loosen the bracket -2- of the air duct hose -3-. –  Separate the flexible aeration hose -6- and the flexible air hose -8-. –  Remove bolt -7- and take out air cleaner housing. Continued for all vehicles   WARNING Observe safety precautions when disconnecting the battery → Electrical system; Rep. gr.27.

–  Disconnect the earth terminal -3- and positive terminal -2- from the battery, with the ignition disconnected → Electrical system; Rep. gr.27. –  Remove the battery and bracket → Electrical system; Rep. gr.27 .   WARNING Hot vapour/hot coolant may escape when opening expansion tank. Cover cap with cloth and open carefully. –  Open the cap of the coolant expansion tank.

–  Remove central noise insulation -Attachment parts 1 ... 3-. –  Drain coolant → Chapter.

Engine code letters BJB, BKC, BXE, BXF –  Remove from the front part of the air duct pipe, the air hose at the bottom left; to do this lift the securing clips -2-. –  Remove bolt -1-. –  Remove coolant hose from the air ducts -arrow-.

–  Disconnect vacuum line -3- from the reserve tank. –  Disconnect the electrical connection -4- from the supercharger pressure sender -G31- –  Remove coolant hose -6- from the air ducts -arrow-. –  Unscrew bolts -2- and -5-. –  Remove air duct by lifting retaining clips slightly -1-.

Select engine identification letters BLS –  Remove left-hand air duct hose. –  Unscrew bolt -arrow- on left air pipe.

Continued for all vehicles –  Unclip circlips -1- and -2- from both selector cables. –  Pull off selector cable support elements from gearbox selector lever and relay lever.

–  Remove cable support bracket from gearbox -arrows- and place to one side.

Engine code letters BJB, BKC, BXE, BXF –  Unplug electrical connector -1- from the oil pressure switch-F1-. –  Remove oil pressure switch -2-. –  Remove the oil supply tube on the support -3-.

Select engine identification letters BLS –  Disconnect flexible coolant hose between the engine and radiator -arrow-.

–  Remove bolts -2-, -3- and separate the turbocharger air hose -4- from the turbocharger by lifting the retaining clips a little. –  Separate the electrical wiring from clamps -1-. –  Remove the supercharger air pipe.

Continued for all vehicles –  Separate the connector -arrow- on the coolant temperature sender -G62- and leave wiring open.

–  Pull the release pin -arrow 1- and unscrew knurled nut -arrow 2-. –  Remove the centre connector for the injectors-pump and release the wiring harness.

–  Extract the bracket and remove the connector -arrow- from the Hall sender -G40-.

Engine code letters BJB, BKC, BXE, BXF –  Disconnect coolant hose -arrow- leading to heat exchanger from coolant pipe. –  Remove securing bolt -1- of coolant pipe.

–  Detach coolant hoses at the connections indicated -arrows-.

Select engine identification letters BLS –  Disconnect coolant hose -3- leading to heat exchanger from coolant pipe.

–  Unscrew the oil delivery tube coupling nut -3- and the securing bolt -4- from its housing. –  Remove securing bolt -1- of coolant pipe. –  Unscrew the oil supply bolt on the support -2-.

Continued for all vehicles –  Disconnect the coolant hoses -1- and -5-. –  Unscrew bolts -2- and -3- and flip the support -4- forwards. –  Pull coolant pipe out of cylinder block -arrow-.

–  Place the oil supply pipe -1- carefully, behind the hose connection -2-, on the coolant flange to the left on the cylinder head. –  Guide the coolant tube -3- first backwards, to the dashboard -arrow-. –  Finally, to extract it, pull on the coolant tube forwards. Installing Continue the installation in the reverse order of removal sequence, observing the following:   Note t  Replace gaskets, seals and O-rings. t  Secure all hose connections with the correct hose clips (same as original equipment) → Electronic spare parts catalogue. –  Clean or smoothen sealing surface for O-ring.

–  Lubricate the new O-ring -1- with »G12+« and fit in the coolant pipe -2-. –  Slide coolant pipe into opening in cylinder block. –  Fit the oil filter bracket → Chapter. –  Install the selector mechanism in the gearbox and adjust → 5-speed manual gearbox 0A4; Repair group 34; Servicing selector mechanism. Tightening torques Engine code letters BJB, BKC, BXE, BXF

Component			Nm
Coolant pipe		M7	15
To engine block		M10:	25
Oil supply pipe to oil filter bracket			25
Oil supply pipe bracket to the coolant pipe			10

Select engine identification letters BLS

Component			Nm
Coolant hose to engine block		M7	15
		M10:	40
Oil supply pipe to oil filter bracket			22
Clamp for the oil feed tube to	Coolant pipe		10
	Spring retainer		10
Bracket for the electrical cable harness			15
Left air duct to bracket			8
Air filter housing to bracket			10