Torque Specifications

2003 Nissan-Datsun Frontier Base, StandardSECTION Torque Specifications
TORQUE SPECIFICATIONS

Application Ft. Lbs. (N.m)
Camshaft Sprocket Bolt 122-131 (166-177)
Camshaft Sprocket Cover-To-
Cylinder Head 12-14 (16-19)
Front Cover (1)
Connecting Rod Nuts
Step 1 10-12 (14-16)
Step 2 Tighten Additional 60-65 Degrees
Crankshaft Pulley Bolt 105-112 (142-152)
Cylinder Block Coolant Drain Plug 25-32 (34-44)
Cylinder Head Bolts (2)
Step 1 21 (29)
Step 2 58 (79)
Step 3 Loosen All Bolts
Step 4 18-25 (25-34)
Step 5 Tighten Additional 86-91 Degrees
Drive Plate/Flywheel Bolts 105-112 (142-152)
EGR Valve Bolts 26-33 (35-45)
EGR Tube 29-36 (39-49)
Engine Mounts
Bolts 23-31 (31-42)
Nuts 30-38 (41-52)
Exhaust Manifold-To-Cylinder Head Nuts (3) 27-35 (37-48)
Front Cover
6-mm Bolts (1)
8-mm Bolts 12-14 (16-19)
Generator Adjusting Bar Bolts 12-15 (16-20)
Generator Bracket Bolts 33-44 (45-60)
Generator Through Bolt 33-44 (45-60)
Intake Manifold-To-Cylinder Head (4) 12-14 (16-19)
Intake Manifold Stay-To-
Intake Manifold 12-13 (16-18)
Cylinder Block 23-27 (31-36)
Knock Sensor Bolt 15-19 (20-26)
Main Bearing Cap Bolts (5) 34-41 (46-56)
Oil Drain Plug 22-30 (30-40)
Oil Filter Adapter Bolts 12-14 (16-19)
Oil Jet Bolts 22-30 (30-40)
Oil Strainer-To-Cylinder Block Bolts 12-14 (16-19)
Oxygen Sensor 30-37 (40-50)
Regulator Valve Plug 29-36 (39-49)
Spark Plug 15-21 (20-29)
Throttle Body-To-Intake Manifold Bolts (6)
Step 1 (7)
Step 2 13-16 (18-22)
Timing Chain Guide Bolts 10-14 (13-19)
Timing Chain Idler Sprocket Bolt 49-61 (66-83)
Water Pump Bolts 12-15 (16-20)
3-Way Catalyst-To-Exhaust Manifold Bolts 22-26 (30-35)
INCH Lbs. (N.m)Β 
Camshaft Bearing Cap Bolts (8)
Step 1 18 (2)
Step 2 80-106 (9-12)
Coolant Air Relief Plug 62-71 (7-8)
Distributor Hold Down Bolt 80-97 (9-11)
EGR Temperature Sensor 9-14 (12-19)
Exhaust Manifold Cover Bolts 45-58 (5.1-6.5)
Oil Pan Bolts (9) 57-66 (6.4-7.5)
Oil Pump Bolts
6-mm Bolts 53-89 (6-10)
8-mm Bolts 97-133 (11-15)
Oil Pressure Switch 106-150 (12-17)
Oil Strainer Support Bolt 44-53 (5-6)
Rear Oil Seal Retainer Bolts 57-66 (6.4-7.5)
Rocker Cover Bolts (10) 71-97 (8-11)
Thermostat Housing Bolts 56-73 (6.3-8.3)
Timing Chain Tensioner Bolt 57-66 (6.4-7.5)
Water Pump Pulley Nuts 53-89 (6-10)
(1) Tighten to 57-66 INCH lbs. (6.4-7.5 N.m).
(2) Tighten cylinder head bolts in sequence. See Fig 1.
(3) Tighten exhaust manifold nuts in sequence. See Fig 2.
(4) Tighten intake manifold bolts in sequence. See Fig 3.
(5) Tighten main bearing cap bolts in sequence. See Fig 4.
(6) Tighten throttle body bolts in sequence. See Fig 5.
(7) Tighten to 80-97 INCH lbs. (9-11 N.m).
(8) Tighten camshaft bearing cap bolts in sequence. See Fig 6.
(9) Tighten oil pan bolts in sequence. See Fig 7.
(10) Tighten rocker cover bolts in sequence. See Fig 8.
Fig 1: Identifying Cylinder Head Bolt Removal & Tightening Sequence
G00008449Courtesy of NISSAN MOTOR CO., U.S.A.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.