Chpter IV Mechanical System
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
159
Fig. 4-4-5 Removing the cylinder head
assembly
(5) Removing the camshaft timing pulley: Loosen the
bolt gasket component of camshaft timing pulley and
remove the camshaft timing pulley.
(6) Removing the crankshaft timing pulley: Loosen the
fastening bolt of crankshaft timing pulley and remove
the crankshaft timing pulley.
Disassembling the cylinder head assembly
④
(1) Remove the cylinder head cover component. See
Fig. 4-4-5.
(2) Remove the camshaft bearing cap.
(3) Remove the camshaft assembly.
(4) Removing the cylinder head assembly: Loosen
orderly the 10 bolts for fastening cylinder head and
cylinder body and remove the cylinder head.
Caution:
If the cylinder cap bolts are not orderly
unscrewed separately, the lower surface of the cylinder
cap might be damaged.
Fig. 4-4-6 Removing the flywheel gear ring
assembly
Fig. 4-4-7 Removing the oil pan upper and
lower body assemblies and oil collector
assembly
Disassembling the flywheel gear ring assembly
⑤
(1) Install the flywheel retainer.
(2) Orderly unscrew the 8 flywheel bolts fastening the
flywheel gear ring assembly to the rear end of the
crankshaft in separated times.
(3) Remove the flywheel gear ring assembly from the
rear end of the crankshaft. See Fig. 4-4-6.
Disassembling the oil pan upper and lower body
assemblies and oil collector assembly
⑥
(1) Use a spanner to remove the 14 hexagon flange
face bolts (M6×12) fastening the lower body of oil pan in
proper order, and remove the lower body of oil pan. See
Fig. 4-4-7.
(2) Use a spanner to remove the 2 hexagon flange face
bolts (M6×16) fastening the engine oil pipe and the 2
hexagon flange face bolts (M8×12) fastening the engine
oil collector support, and remove the engine oil
collector.
(3) Use a spanner to remove the 15 hexagon flange
face bolts (M6×20, M6×110, M8×25 and M8×45)
fastening the upper body of oil pan in proper order, and
remove the upper body of oil pan from the lower
cylinder body.
Crankshaft position
signal panel
Flywheel gear
ring assembly
Crankshaft
Upper body of
oil pan
Oil collector
Lower body of oil pan
