Page 993 of 2490
4.
R
efill the cooling system as de
scribed in General Procedures.
Page 994 of 2490

Engine Cooling - Thermostat4.0L SC V8 - AJ26
Remo
val and Installation
Remov
a
l
Installation
1.
Op
en the engine compartment and fit paintwork protection
sheets.
2. Drain the radiator. Refer to Ge neral Procedures. Retain the
coolant drain tray in position to catch any spillage when
removing the outlet pipe.
3. Disc
onnect the bottom hose
from the coolant outlet pipe.
1. Release and reposi tion the hose clip.
2. Disconnect the bottom hose.
4. Re
move the thermostat from the outlet pipe.
1. Remove the three bolts which secure the thermostat cover to the outlet pipe.
2. Remove the thermostat cover, the thermostat and
the seal from the outlet pipe. Discard the seal.
1. Installation is th e reverse of the re moval procedure.
Use new seali
ng rings on th
e coolant outlet pipe and
thermostat housing.
The t he
rmostat ball valve must
locate in the recess in the
cover.
2. Tighten the thermostat cover bolts to 8-10 Nm.
3. Refill the cooling system as de scribed in General Procedures.
Page 995 of 2490

Engine Co
oling - Thermostat Housing
Cover4.0L NA V8 - AJ27/3.2L NA V8
- AJ26
Re
moval and Installation
Remov
al
Installation
1. O
pen the engine compartment and fit paintwork protection
sheets.
2. Drain the radiator. Refer to Ge neral Procedures. Retain the
coolant drain tray in position to catch any spillage when
removing the thermostat cover.
3. Remove the engine cove r panels for access.
4. Di
sconnect the radiator bott
om hose from the thermostat
cover.
1. Release and reposition th e hose clip, and disconnect
the bottom hose from th e thermostat cover.
5. R
emove the thermostat cover.
1. Remove the three bolts which secure the thermostat cover to the housing.
2. Remove the thermostat cover from the housing.
6. R
emove the thermostat from the housing.
1. Remove the thermostat from the housing.
2. Remove (and discard) th e seal from the thermostat.
Fit a new seal to the
thermost
at. The seal may be fitted
either way round.
1. Installation is th e reverse of the re moval procedure.
2. Fit the thermostat so that the vent ball valve locates in the
recess in the cover.
3. Tighten the thermostat cover bolts to 8-10 Nm.
Page 996 of 2490
4.
Re
fill the cooling system as de
scribed in General Procedures.
Page 997 of 2490

Engine Cooling - Thermostat Housing Cover4.
0L SC V8 - AJ26
Re
moval and Installation
Remov
al
Installation
1.
O
pen the engine compartment and fit paintwork protection
sheets.
2. Drain the radiator. Refer to Ge neral Procedures. Retain the
coolant drain tray in position to catch any spillage when
removing the outlet pipe.
3. Di
sconnect the bottom hose
from the coolant outlet pipe.
1. Release and reposi tion the hose clip.
2. Disconnect the bottom hose.
4. R
emove the thermostat from the outlet pipe.
1. Remove the three bolts which secure the thermostat cover to the outlet pipe.
2. Remove the thermostat cover, the thermostat and
the seal from the outlet pipe. Discard the seal.
1. Installation is th e reverse of the re moval procedure.
Use new
sealing rings on th
e coolant outlet pipe and
thermostat housing.
The t
hermostat ball valve must
locate in the recess in the
cover.
2. Tighten the thermostat cover bolts to 8-10 Nm.
3. Refill the cooling system as de scribed in General Procedures.
Page 998 of 2490

Engine Cooli
ng - Thermostat Housing
Cover Seal4.0L NA V8 - AJ27/3.2L
NA V8 - AJ26
Re mo
val and Installation
Remova
l
Installation
1. Op
en the engine compartment and fit paintwork protection
sheets.
2. Drain the radiator. Refer to Ge neral Procedures. Retain the
coolant drain tray in position to catch any spillage when
removing the thermostat cover.
3. Remove the engine cove r panels for access.
4. Disc
onnect the radiator bott
om hose from the thermostat
cover.
1. Release and reposition th e hose clip, and disconnect
the bottom hose from th e thermostat cover.
5. Re
move the thermostat cover.
1. Remove the three bolts which secure the thermostat cover to the housing.
2. Remove the thermostat cover from the housing.
6. Re
move the thermostat from the housing.
1. Remove the thermostat from the housing.
2. Remove (and discard) th e seal from the thermostat.
Fit a new seal to the
thermostat. Th
e seal may be fitted
either way round.
1. Installation is th e reverse of the re moval procedure.
2. Fit the thermostat so that the vent ball valve locates in the
recess in the cover.
3. Tighten the thermostat cover bolts to 8-10 Nm.
Page 999 of 2490
4.
R
efill the cooling system as de
scribed in General Procedures.
Page 1000 of 2490

Engine Cooli
ng - Thermostat Housin
g Cover Seal4.0L SC V8 - AJ26
Remo
val and Installation
Remov
a
l
Installation
1.
Op
en the engine compartment and fit paintwork protection
sheets.
2. Drain the radiator. Refer to Ge neral Procedures. Retain the
coolant drain tray in position to catch any spillage when
removing the outlet pipe.
3. Disc
onnect the bottom hose
from the coolant outlet pipe.
1. Release and reposi tion the hose clip.
2. Disconnect the bottom hose.
4. Re
move the thermostat from the outlet pipe.
1. Remove the three bolts which secure the thermostat cover to the outlet pipe.
2. Remove the thermostat cover, the thermostat and
the seal from the outlet pipe. Discard the seal.
1. Installation is th e reverse of the re moval procedure.
Use new seali
ng rings on th
e coolant outlet pipe and
thermostat housing.
The t he
rmostat ball valve must
locate in the recess in the
cover.
2. Tighten the thermostat cover bolts to 8-10 Nm.
3. Refill the cooling system as de scribed in General Procedures.