Chpter IV Mechanical System
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
123
Fig. 4-1-10 Removing the turbocharger and
its heat shield
Fig. 4-1-11 Removing the air exhaust
manifold pipe and gasket
Fig. 4-1-12 Removing the glow plug
Disassembling the turbocharger
⑩
(1) Pull out the harness plug of the turbocharger.
(2) Remove the 3 hexagon flange bolts (M6×12) for
fastening the turbocharger heat shield, and take down
the heat shield (VCT turbocharger). See Fig. 4-1-10.
(3) Remove the fuel return hose connected to the
turbocharger.
(4) Remove the fuel inlet bolts connecting the
turbocharger fuel inlet pipe to turbocharger.
(5) Remove the single bolt and the 2 fastening nuts
connecting turbocharger to exhaust manifold pipe, and
take down the turbocharger and its gasket. See Fig.
4-1-10.
Check the supercharger gasket and replace it if there
is any damage or deformation.
Disassembling the exhaust manifold pipe
○
11
(1) Remove the 4 hexagon flange bolts (M6×12)
fastening the heat shield of exhaust manifold pipe, and
take down the heat shield of exhaust manifold pipe.
(2) Remove the 8 fastening nuts (M8×1.25) connecting
the exhaust manifold pipe to cylinder head, and take
down the exhaust manifold pipe and exhaust manifold
pipe gasket. See Fig. 4-1-11.
Check the exhaust manifold pipe gasket and replace
it if there is any damage or deformation.
Disassembling the glow plug
○
12
(1) Remove the glow plug wiring harness.
(2) Remove the 4 glow plugs inside the hole of the air
intake port of cylinder head with a hexagon socket head
spanner, as shown in Fig. 4-1-12.
(3) The removed glow plugs should be placed separately,
and be protected against contamination or being
bumped.
Turbocharger
Heat shield
Fuel return
hose
Exhaust
manifold pipe
gasket
Exhaust
manifold pipe
Cylinder head
Heater plug
