Corrado L4-1781cc 1.8L SOHC SC (PG) (1990)
Valve Guide Seal: Service and Repair
Valve stem seal, removing
(with cylinder head installed)
- remove spark plugs
- remove camshaft and hydraulic lifters
- turn crankshaft until piston of cylinder concerned is in BTDC position
- install tool 2036 and adjust to stud height
- insert pressure hose US 1106 or VW 653/3 into spark plug threads and apply steady pressure of at least 6 bar (87 psi)
- remove valve springs with lever VW 541/1
If valve keepers are very hard to come out, they can be loosened by tapping lightly on assembly lever with hammer.
- remove valve stem seal with tool 3047 A
Valve stem seal, installing
- slide plastic sleeve A onto valve stem
- lubricate valve stem seal B
- push seal carefully onto valve guide using plastic seal protector
CAUTION! When installing valve stem seals, always use plastic sleeve to prevent damage.