6. CYLINDER HEAD/VALVES Downtown 300i ABS
Nut
Remove two nuts attaching to the
upper/lower side of cylinder head.
Remove two bolts attaching to the cylinder
head.
Remove the cylinder head.
Remove the dowel pins and cylinder head
gasket.
Remove the cam chain guide. Bolts
Remove all gasket material from the cylinder
head mating surface.
Cylinder Head Gasket Dowel pins
Be careful not to drop any gasket
material into the engine.
CYLINDER HEAD DISASSEMBLY
Remove the valve spring cotters, retainers,
springs, spring seats and valve stem seals
using a valve spring compressor.
· Be sure to compress the valve springs Cam Chain Guide
with a valve spring compressor.
· Mark all disassembled parts to ensure
correct reassembly.
Special
Valve spring compressor E040
Remove carbon deposits from the exhaust
port and combustion chamber.
Valve Spring Compressor
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