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Home >> Infiniti >> 1998 >> Q45 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.1L V8 >> Torque Specifications

Torque Specifications

TORQUE SPECIFICATIONS

Application Ft. Lbs. (N.m)
Camshaft Sprocket Bolt
Exhaust 9-11 (12-15)
Intake 76-83 (103-113)
Connecting Rod Nut
Step 1 10-12 (14-16)
Step 2 (1)
Crankshaft Pulley Bolt 260-275 (252-373)
Cylinder Head Bolt (2)
Step 1 22 (30)
Step 2 69 (93)
Step 3 Loosen All Bolts
Step 4 18-25 (25-34)
Step 5 (3)
Engine Mount Bracket Bolt 25-32 (34-43)
Engine Mount-To- Bracket Nut 32-41 (43-55)
Exhaust Manifold Bolt/Nut (4) 21-24 (22-28)
Flywheel/Flexplate Bolt 61-69 (83-93)
Intake Manifold Bolt (5) 13-15 (18-21)
Intake Manifold Collector Bolt (6) 13-18 (18-24)
Main Bearing Cap Bolts (7)
Step 1 (Bolts 1-10) 27-31 (36-42)
Step 2 (Bolts 11-20) 26-32 (26-32)
Step 3 (Bolts 1-10) (8)
Step 4 (Bolts 11-20) (9)
Step 5 (Bolts 21-30) 34-38 (46-52)
Oil Pan Bolt (10)
Bolts 1-21 12-14 (16-19)
Bolts 22-23 (11)
Oil Pump-To-Engine Bolt (Long) 12-14 (16-19)
Timing Chain Cover Bolt (12)
M6 Bolt (11)
M8 Bolt 12-15 (16-21)
10M Bolt 22-30 (30-40)
Throttle Body Retainer Bolt 13-18 (18-24)
Timing Chain Guide Bolts 9-14 (13-19)
Water Pump Bolt 10-13 (14-18)
INCH Lbs. (N.m) 
Oil Pump Cover Bolt 53-71 (6-8)
Oil Pump Guide Bolts 81 (9.1-10.8)
Oil Pump-To-Engine Bolt (Short) 53-71 (6-8)
Timing Chain Tensioner Bolt 80-97 (9-11)
Rear Oil Seal Retainer Bolt 53-71 (6-8)
Valve Cover Screw (12)
Step 1 35-53 (4-6)
Step 2 53-80 (7-9)
(1) Turn nut/bolt an additional 60-65 degrees.
(2) Tighten in correct sequence. See Figure .
(3) Turn bolt an additional 90-95 degrees.
(4) Tighten in sequence. See Figure .
(5) Tighten in Sequence. See Figure .
(6) Tighten in Sequence. See Figure .
(7) Tighten in reverse order of removal sequence. See Figure .
(8) Tighten specified bolts an additional 40-45 degrees.
(9) Tighten specified bolts an additional 35-40 degrees.
(10) Tighten bolts in sequence. See Figure .
(11) Tighten bolts to 54-65 INCH lbs. (6.4-7.4 N.m).
(12) Tighten bolts in sequence. See Figure .