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Old 12-24-2008, 05:23 PM   #2 (permalink)
DieselCash
Diesel Boss
 
Join Date: Dec 2006
Posts: 1,357

Common Engine, Transmission & Differential Torque Specifications

All in Foot Pounds (Newton-Meters)

Engine

Engine Accessories
  • Belt tensioner......................................... ..............................37
  • Pulley Bolts............................................. .............................37 (50)
  • Bracket Bolts............................................. ...........................37 (50)
  • CKP Sensor............................................ ..............................17 (23)
  • Pulley to vibration damper bolts............................................. .20

Engine Mounts:
  • Front Mount Bolt.............................................. ......................44 (59)
  • Front Mount Nut............................................... .....................33 (45)
  • Bracket-to-Block Bolt.............................................. ...............38 (51)
  • Through Bolt.............................................. ...........................70 (95)
  • Through Bolt Nut............................................... ....................50 (68)


Cylinder Head:

1988-1995:
  • First--20 (25)
  • Second--50 (68)
  • Last--1/4 Turn or 90* More
1996-1998:
  • First--20 (25)
  • Second--55 (75)
  • Last--1/4 Turn or 90* More
  • Camshaft Sprocket Bolt.............................................. ............125

    From a military manual 1980's thru 1994 - Install pump drive gear (3) on camshaft (6) with washer (2) and capscrew (1). Tighten capscrew (1) to 55-66 lb-ft (75-90 Nm).
    1994 GM SM - 126 lb-ft
    1996 GM SM - 126 lb-ft
    1999 GM SM - 126 lb-ft

  • Camshaft Thrust Plate Bolt.............................................. ........17
  • Connecting rod cap nuts.............................................. ............48
  • Crankshaft pulley bolts............................................. ...............30
  • Front cover bolts............................................. .......................33
  • Glow plug.............................................. ................................156 inch lbs
  • Harmonic Balancer Bolt--200 (270)
  • Hydraulic lifter guide plate bolts............................................. ...18
  • Intake manifold bolts............................................. ...................31
  • Oil pump drive- clamp bolt.............................................. .........31
  • Oil pump cover screws............................................ .................12
  • Oil pump to bearing cap bolts............................................. ......65
  • Oil pan to crankcase bolts-All except 2rear..................................84 inch lbs
  • Oil pan to crankcase bolts-Two rear............................................17
  • Oil pan to timing cover bolts............................................. .........84 inch lbs
  • Oil pan drain bolt.............................................. .......................20
  • Oil cooler lines to oil filter base.............................................. ....12
  • Oil cooler lines to radiator.......................................... ...............25
  • Rocker arm shaft bolts............................................. ................40
  • Thermostat housing bolts............................................. ............31
  • Timing cover bolts............................................. ......................33
  • Turbocharger to exhaust manifold bolts......................................37
  • Vacuum pump clamp bolt.............................................. ...........31
  • Valve cover bolts............................................. ........................16
  • Water pump plate to water pump bolts.......................................17
  • Water pump to front cover bolts............................................. ...32
  • Water pump plate to front cover bolts........................................17
  • Water In Fuel Sensor............................................ ...................24 in.lbs. (31)
  • Baro Sensor............................................ ...............................27 in.lbs. (35)


Exhaust Manifold:
  • Exhaust Manifold Bolts............................................. ...............26 (35)

Flywheel & Ring Gear:
  • All Models............................................ .................................65 (90)

Fuel System:
  • Injection pump mounting nuts.............................................. ..31 (42)
  • Injector pump gear bolts............................................. ...........17 (23)
  • Injector line fitting........................................... ......................18
  • Injector nozzles........................................... ..........................50
  • Fuel Filter Bolts............................................. .........................31 (42)
  • Fuel Injector .................................................. .......................50 (70)

Glow Plug System:
  • Glow Plugs............................................. ..............................17 (23)
  • Glow Plug Controller........................................ ......................25 (35)
Intake Manifold:
  • 1988-1995 Vehicles.......................................... ....................32 (42)
  • 1996-1998 Vehicles.......................................... ....................31 (42)
  • Fuel Filter Bolts............................................. .......................31 (42)
MainCap Bolts:


  • Bearing Cap 12mm Inner Bolts: Make Two Passes--55 (75) Final Pass--90 degrees more

    Bearing Cap 12mm Outer Bolts: Make Two Passes--48 (65) Final Pass--90 degrees more

    Bearing Cap 10mm Outer Bolts: Single Pass--30 (40)


    Oil Pan:
  • Rear Two Bolts............................................. ..........................17 (23)
  • All Others............................................ ..................................89 in. Lbs (10)
Timing Chain Cover:
  • Cover To Block............................................. .........................30-33 (40-45)
  • Baffle............................................ .......................................33 (45)
Thermostat Housing & Crossover:
  • 1988-1991---35 (47)
  • 1992-1998---31 (42)

Turbo:
  • To Exhaust Manifold.......................................... .......................43 (58)
  • Oil Return Tube.............................................. .........................19 (26)
  • Oil Feed Tube.............................................. ............................13 (17)
  • Long Brace Bolt.............................................. .........................37 (50)
  • Long Brace Nut............................................... .........................26 (34)
  • Short Brace Bolts............................................. ........................19 (25)
Valve Cover:
  • Valve Cover Bolts............................................. ........................16 (22)
Water Pump:
  • To Plate............................................. .....................................31 (42)
  • Three Bottom Right to Engine............................................ ........31 (42)
  • All Other to Engine............................................ .......................17 (23)

Starter:
  • thru-bolts are 40 ft. lbs. 54Nm
  • bracket bolts/nuts 30 ft. lbs. 41Nm


Transmission

Transmission Manual
  • Check/Fill Plug.............................................. .............15 to 25 Ft-lbs
  • Drain Plug.............................................. ...................15 to 25 Ft-lbs
  • Bellhousing To Engine Bolts............................................. .......30 (40)
  • Flywheel/Driveplate bolts............................................. ..........65
  • Shifter Housing........................................... ..........................89 in. lbs. (10)
  • NV4500 Trans to Housing........................................... ............74 (100)

Clutch Bolts:
  • 1988-1994---32 (43)
  • 1995-1998---25 (34)

Clutch Housing:

  • 1988-1990: .........R/V---40 (54)......C/K---55 (75)
  • 1991---31 (43)
  • 1992-1994---29 (39)
  • 1995-1998---23 (31)

Slave Cylinder:
  • 1988-1995---13 (18)
  • 1996-1998---71 in.lbs. (8)

Transmission Auto
  • Pan............................................... .................................120 in-lbs
  • Trans to Engine............................................ ........................35 (47)
  • Support Brace............................................. .........................35 (47)

Converter Bolts:
  • 1988-1995---50 (68)
  • 1996-1998---46 (63)
Cross Member Retaining Bolts:
  • 1988-1990---35 (47)
  • 1991-1998---56 (77)
  • T-case to Trans.-88-94................................................ ...........24 (32)
  • T-case to Frame-88-94................................................ ...........35 (47)
  • Adapt to T-case-95-98................................................ ............33 (45)
  • Adapt to Trans.-95-98................................................ .............33 (45)
  • Shift Linkage 4L80E............................................. ...................20 (30)

Axle & Differential

Front:

Front Axle Torque Specs.jpg

Rear:

Rear Axle Torque Specs.jpg

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Last edited by OkDually; 01-06-2018 at 05:44 PM.
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