seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Servicing valve gear > < Removing and installing crankshaft
6-cyl. fuel injection engine, Mechanics
Removing and installing cylinder head
Removing and installing cylinder head cover

Special tools, testers and auxiliary items

  • ◆ Fitting tool 3277 A
  • ◆ V.A.G 1331 Torque wrench (5...50 Nm)

Removing

  • ‒ Remove air cleaner upper part:

=> Repair group 24; Motronic injection and ignition system; Servicing injection part

  • ‒ Pull connectors off throttle valve control part, heater element, air mass meter and intake manifold temperature sender.
  • ‒ Pull crankcase breather valve off cylinder head cover and breather hose to activated charcoal filter solenoid valve 1 off intake manifold upper part.
Attention!
The breather hose must not come into contact with other components.
  • ‒ Remove intake hose with air mass meter from the throttle valve control part.

=> Repair group 24; Motronic injection and ignition system; Servicing injection part

  • ‒ Remove spark plug connectors with H.T. cables:

=> Repair group 28; Motronic injection and ignition system; Servicing ignition part

 
N10-0017
  • ‒ → Removing H.T. cable guides -1- and -2-.
  • ‒ Remove cover above intake manifold upper part -3-.
  • ‒ Detach throttle cable and support bracket at throttle valve control part (do not remove retainer).
  • ‒ Mark coolant hoses from throttle valve control part, pull off and seal (first release pressure from cooling system).
  • ‒ Pull vacuum hose from secondary air inlet valve off junction piece between fuel pressure regulator and intake manifold upper part.
  • ‒ Pull vacuum hose off brake servo.
  • ‒ Unclip fuel pipes from cylinder head cover.
  • ‒ Detach dipstick guide tube on intake manifold lower part.
  • ‒ Remove earth connection from rear left support.
  • ‒ Remove rear left and right supports between intake manifold upper part and cylinder head.
  • ‒ Detach pipe from exhaust gas recirculation valve at intake manifold upper part.
  • ‒ Remove intake manifold upper part with throttle valve control part (note position of dowel sleeves when installing).

Note:

Seal intake ports with clean cloth.

  • ‒ Remove cylinder head cover.

Installing

Install in reverse order.

Notes:

  • ◆ Replace cylinder head cover gasket if damaged.
  • ◆ Replace intake manifold upper part gasket.
  • ◆ First secure intake manifold upper part to intake manifold lower part, then the two rear supports (, items 5 and 36).
  • ‒ Adjusting throttle cable
  • ‒ If necessary top-up coolant => Page 19-14

Servicing valve gear > < Removing and installing crankshaft