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Home >> Infiniti >> 1999 >> 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 186-275 (252-373)
Cylinder Head Bolt (2)
Step 1 22 (30)
Step 2 69 (93)
Step 3 Loosen All Bolts
Step 4 18-25 (24-34)
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) 16-21 (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) 20-24 (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 10-14 (13-19)
Water Pump Bolt 10-13 (13-18)
INCH Lbs. (N.m) 
Oil Pump Cover Bolt 53-71 (6-8)
Oil Pump Guide Bolts 80.54-95.59 (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 (13)
Step 1 35-53 (4-6)
Step 2 62-80 (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.
(13) Tighten bolts in sequence. See Figure.