IS 250 AWD V6-2.5L (4GR-FSE) (2006)
1. INSTALL WATER PUMP ASSEMBLY
a. Install a new water pump gasket and the water pump assembly with the 16 bolts.
Torque:
21 Nm (214 kgf-cm, 15 ft. lbs.) for bolts A
9.1 Nm (93 kgf-cm, 81 inch lbs.) for bolts B and C
NOTICE:
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Be sure to replace 2 bolts C with new ones or reuse them after applying adhesive 1344.
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Make sure that there is no oil on the threads of the A bolts.
2. INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY
a. Install the pulley and cover plate with the bolt.
Torque: 43 Nm (438 kgf-cm, 32 ft. lbs.)
3. INSTALL WATER INLET
a. Install a new water inlet housing gasket No. 1 and water outlet pipe O-ring.
b. Install the water inlet with the 4 bolts and nut.
Torque: 10 Nm (102 kgf-cm, 7 ft. lbs.)
NOTICE: Be careful not to allow the O-ring to get caught between parts.