SEAT Workshop Service and Repair Manuals

Checking distribution timing Special tools and workshop equipment required

t  Locating bolt -T10340- t  Camshaft clamp -T10477- Checking sequence

–  Press locking lugs -arrows- and pull intake connection off -1- in -direction of arrow-. –  Disconnect hose -1- at air cleaner housing.

–  Pull air filter housing upwards off studs at positions -2- and -3-.

–  Unlock and disconnect fuel supply line -1- and breather line -2-. → Fuel supply system - Petrol engines; Rep. gr.20. –  Open line guide -3- and detach hoses. –  Seal lines so that fuel system is not contaminated by dirt. –  Detach clamps -arrows-.

–  Unscrew securing bolt -1- and remove cover -2-. –  Undo and remove bolts -arrows-.

–  Unclip duct from the guard. –  Remove cover -1- and cover -2-.

–  Unscrew plug -arrow- from crankcase. –  Lower lifting platform completely.   Note t  The lifting platform must be lowered completely in order to allow for screwing the locking pin -T10340- into the crankcase. t  When the vehicle is raised, the hole is hidden behind the drive shaft.

–  Screw locking pin -T10340- into crankcase from above as far as it will go.   Caution If locking pin -T10340- cannot be screwed in as far as stop, this indicates that crankshaft is not in the correct position! In this case, proceed as follows. –  Unscrew locking pin. –  Turn crankshaft 90° in direction of rotation of engine. –  Screw locking pin -T10340- into crankcase as far as it will go. –  Tighten locking pin -T10340- to 30 Nm. –  Turn crankshaft in direction of rotation of engine as far as the stop. Locking pin -T10340- locks crankshaft in direction of engine rotation.

Marked gap -1- of camshaft adjuster -3- is aligned with lug -2- of camshaft housing.

Marked tooth -1- of exhaust camshaft sprocket -3- is aligned with lug -2- of camshaft housing.

–  Grooves -1- of inlet camshaft -3- are positioned right above horizontal camshaft centre line -2-. –  Grooves -1- of exhaust camshaft are positioned right above horizontal camshaft centre line -2-.

–  Recesses of gear -3- in area of grooves are slightly more oriented above horizontal camshaft centre line.   Caution The camshaft clamp -T10477- must slide into position easily. The camshaft clamp must not be positioned using any kind of hammer.

–  Insert camshaft clamp -T10477- to stop into camshafts and tighten bolt -arrow- by hand. If camshaft clamp cannot be fitted: –  Adjusting valve timing → Chapter. If camshaft clamp can be fitted: –  Valve timing is OK.   Caution After completing work, it is essential to ensure that the locking pin -T10340- and the camshaft clamp -T10477- have been removed. Tightening torque of the cylinder block oil filler neck: 30 Nm Further assembly is basically the reverse of the dismantling sequence.