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Installing cylinder head > < Cylinder head - summary of components

Removing Cylinder Head: Step-by-Step Guide

Removing cylinder head
Removing cylinder head
Special tools and workshop equipment required
t  Counterholder -T30004 (3415)-
t  Guide bolt -T30011/2A (3450/2A)-
t  Removal tool -T30011/3 (3450/3)-
t  Catch pan, e.g. -VAS 6208-
t  Pliers for spring strap clamps
t  Extractor -T10112- or -T10112A-
t  Sealant remover gasket stripper (bearing code GST, bearing article no. R 34402), manufacturer Retech s.r.o.
t  Protective goggles and gloves
Requirements
l  Engine temperature should not exceed 35°, because the cylinder head could be twisted when slackening the screws.
  Note
t  All cable straps which are detached or cut open when removing, should be fitted on again in the same place when installing.
t  Observe safety measures and rules for cleanliness when working on vehicles with liquefied petroleum gas system (LPG) → Chapter.
–  Disconnect the battery-earth strap with the ignition off.
   
–  If present, remove engine cover -arrows-.
–  Drain coolant → Chapter.
–  Remove pre-exhaust pipe → Chapter.
–  Remove air filter → Chapter.
–  Removing the intake manifold → Chapter.
–  Use extractor -T10112- to unplug spark plug connector.
–  Pull off coolant hose at rear vent connection at cylinder head.
–  Disconnect the plug connection at the camshaft position sensor -G163-.
For engine with engine code BGU
–  Disconnect plug connection at exhaust gas recirculation valve -N18-.
For all vehicles
–  Expose wiring loom.
  A10-1564
–  Remove the plug connection -arrow- for the lambda probe -G39- (upstream of catalytic converter) from the bracket and disconnect.
–  Unscrew left connection fittings from cylinder head and and lay it to the side
  Note
The coolant hoses remain attached to the connection fittings.
–  Remove top toothed belt guard.
  A24-0731
–  Position camshaft sprocket to TDC marking for cylinder 1 by rotating at crankshaft. The marking on the camshaft sprocket must be aligned with the arrow on the toothed belt guard.
–  Slacken tensioning pulley and take timing belt off camshaft sprocket.
–  Then turn crankshaft back slightly.
  A13-0691
–  Loosen the camshaft sprocket, to do so use counterholder -T30004 (3415)-.
–  Pull off camshaft sprocket.
–  Remove Woodruff key from the camshaft.
–  Unscrew rear toothed belt guard from cylinder head.
–  Detach the hose for the crankcase ventilation from the cylinder head cover.
–  Slacken the bolts for the cylinder head cover from the outside to the inside.
–  Remove cylinder head cover.
  S15-0179
–  Release the cylinder head bolts in the order -1…10-.
  Note
A second mechanic is needed to remove the cylinder head.
–  Swivel the cylinder head to the left out of the rear toothed belt guard and simultaneously remove the tensioning pulley.
  S15-0289

Installing cylinder head > < Cylinder head - summary of components