Avalanche, Sierra, Silverado, C&K Series, 1999-2005

Torque Specifications

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TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
19994.3W-77-7474--1118
  4.8V-------1218
  5.0M---7474--1518
  5.3T-------1218
  5.7R---7474--1518
  6.0U-------1218
  6.5F--48200653126   18
  7.4J85100451106730221518
1* NOTE: Applies to Lower Manifold only.
2- 1st pass: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- Step 1: 22 ft. lbs.
7- Inner bolts;
8- Step 1: 15 ft. lbs.
9- Use a new bolt
10- Step 1: 15 ft. lbs.
11- Step 1: 44 inch lbs.
12- Nuts: 39 ft. lbs.
13- Step 1: 20 ft. lbs.
14- Outer bolts on caps 2-4: 67 ft. lbs.
15- Tighten all bolts to 20 ft. lbs.
16- Two bolt bearing cap:
17- Step 1: 22 ft. lbs.
18- Outer bolts: 100 ft. lbs.
19R M8 bolts: 18 ft. lbs.
20- 1st pass: 72 ft. lbs.
21- 1st pass: 47 ft. lbs.
22- 1st pass: 58 ft. lbs.
23- 1st pass: 22 ft. lbs.
24- Inner bolts: 22 ft. lbs.,
25- 22 ft. lbs., plus 90 degrees
26- 1st pass: 59 ft. lbs.
27- 1st & 2nd pass: 44 inch lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20004.3W-77-7474--1118
  4.8V-------1218
  5.0M---7474--1518
  5.3T-------1218
  5.7R---7474--1518
  6.0U-------1218
  6.5F--48200653126   18
  7.4J85100451106730221518
1* NOTE: Applies to Lower Manifold only.
2- 1st pass: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- Step 1: 22 ft. lbs.
7- Inner bolts;
8- Step 1: 15 ft. lbs.
9- Use a new bolt
10- Step 1: 15 ft. lbs.
11- Step 1: 44 inch lbs.
12- Nuts: 39 ft. lbs.
13- Step 1: 20 ft. lbs.
14- Outer bolts on caps 2-4: 67 ft. lbs.
15- Tighten all bolts to 20 ft. lbs.
16- Two bolt bearing cap:
17- Step 1: 22 ft. lbs.
18- Outer bolts: 100 ft. lbs.
19R M8 bolts: 18 ft. lbs.
20- 1st pass: 72 ft. lbs.
21- 1st pass: 47 ft. lbs.
22- 1st pass: 58 ft. lbs.
23- 1st pass: 22 ft. lbs.
24- Inner bolts: 22 ft. lbs.,
25- 22 ft. lbs., plus 90 degrees
26- 1st pass: 59 ft. lbs.
27- 1st & 2nd pass: 44 inch lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20014.3W-77-7074--1118
  4.8V-------1218
  5.0M---7474--1518
  5.3T-------1218
  5.7R---7474--1518
  6.0U-------1218
  6.5F--48200653126   18
  6.61R--260-1528   62
  8.1G--X189--a1521
1* NOTE: Applies to Lower Manifold only.
2- 1st pass: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- Step 1: 22 ft. lbs.
7- Inner bolts;
8- Step 1: 15 ft. lbs.
9- Use a new bolt
10- Step 1: 15 ft. lbs.
11- Step 1: 44 inch lbs.
12- Nuts: 39 ft. lbs.
13- Step 1: 20 ft. lbs.
14- Outer bolts on caps 2-4: 67 ft. lbs.
15- Tighten all bolts to 20 ft. lbs.
16- Two bolt bearing cap:
17- Step 1: 22 ft. lbs.
18- Outer bolts: 100 ft. lbs.
19R M8 bolts: 18 ft. lbs.
20- 1st pass: 72 ft. lbs.
21- 1st pass: 47 ft. lbs.
22- 1st pass: 58 ft. lbs.
23- 1st pass: 22 ft. lbs.
24- Inner bolts: 22 ft. lbs.,
25- 22 ft. lbs., plus 90 degrees
26- 1st pass: 59 ft. lbs.
27- 1st & 2nd pass: 44 inch lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20024.3W-77-7074--1118
  4.8V-------1118
  5.3T-------1118
  6.0U-------1118
  6.61---278-1525   62
  8.1G--R189---1521
1* NOTE: Applies to Lower Manifold only.
2- Step 1: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- 2002-04 Models: Step 1: 22 ft. lbs.
7- Inner bolts:
8- Step 1: 15 ft. lbs.
9- Installation pass: 240 ft. lbs.
10- Step 1: 15 ft. lbs.
11- Step 1: 44 inch lbs.
12- Step 1: 11 ft. lbs.
13- 2002-04 M8 bolts: 18 ft. lbs.
14- 2002-04 Step 1: 72 ft. lbs.
15- Step 1: 47 ft. lbs.
16- Step 1: 58 ft. lbs.
17- Step 1: 22 ft. lbs.
18- Inner bolts: 22 ft. lbs.,
19R 22 ft. lbs., plus 90 degrees
20- Step 1: 59 ft. lbs.
21- Steps 1 & 2: 44 inch lbs.
22- Center bolt: 26 ft. lbs.
23- 1st pass: 74 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20034.3X-77-7074--1118
  4.8V-------1118
  5.3T-------1118
  5.3Z-------1118
  6.0U-------1118
  6.0N-------1118
  6.61---278-1525   62
  8.1G--R189---1521
1* NOTE: Applies to Lower Manifold only.
2- Step 1: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- 2002-04 Models: Step 1: 22 ft. lbs.
7- Inner bolts:
8- Step 1: 15 ft. lbs.
9- Installation pass: 240 ft. lbs.
10- Step 1: 15 ft. lbs.
11- Step 1: 44 inch lbs.
12- Step 1: 11 ft. lbs.
13- 2002-04 M8 bolts: 18 ft. lbs.
14- 2002-04 Step 1: 72 ft. lbs.
15- Step 1: 47 ft. lbs.
16- Step 1: 58 ft. lbs.
17- Step 1: 22 ft. lbs.
18- Inner bolts: 22 ft. lbs.,
19R 22 ft. lbs., plus 90 degrees
20- Step 1: 59 ft. lbs.
21- Steps 1 & 2: 44 inch lbs.
22- Center bolt: 26 ft. lbs.
23- 1st pass: 74 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20044.3X-77-7074--1118
  4.8V-------1118
  5.3T-------1118
  5.3Z-------1118
  6.0U-------1118
  6.0N-------1118
  6.61---278-1525   62
  8.1G--R189---1521
1* NOTE: Applies to Lower Manifold only.
2- Step 1: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- 2002-04 Models: Step 1: 22 ft. lbs.
7- Inner bolts:
8- Step 1: 15 ft. lbs.
9- Installation pass: 240 ft. lbs.
10- Step 1: 15 ft. lbs.
11- Step 1: 44 inch lbs.
12- Step 1: 11 ft. lbs.
13- 2002-04 M8 bolts: 18 ft. lbs.
14- 2002-04 Step 1: 72 ft. lbs.
15- Step 1: 47 ft. lbs.
16- Step 1: 58 ft. lbs.
17- Step 1: 22 ft. lbs.
18- Inner bolts: 22 ft. lbs.,
19R 22 ft. lbs., plus 90 degrees
20- Step 1: 59 ft. lbs.
21- Steps 1 & 2: 44 inch lbs.
22- Center bolt: 26 ft. lbs.
23- 1st pass: 74 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20054.3X-77-7074--1118
  4.8V-------1118
  5.3B-------1118
  5.3T-------1118
  5.3Z-------1118
  6.0U-------1118
  6.0N-------1118
  6.62-----1525   62
  8.1G--R189---2221
1* NOTE: Applies to Lower Manifold only.
2- Step 1: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- 2002-04 Models: Step 1: 22 ft. lbs.
7- Inner bolts:
8- Step 1: 15 ft. lbs.
9- Installation pass: 240 ft. lbs.
10- Step 1: 15 ft. lbs.
11- Step 1: 44 inch lbs.
12- Step 1: 11 ft. lbs.
13- 2002-04 M8 bolts: 18 ft. lbs.
14- 2002-04 Step 1: 72 ft. lbs.
15- Step 1: 47 ft. lbs.
16- Step 1: 58 ft. lbs.
17- Step 1: 22 ft. lbs.
18- Inner bolts: 22 ft. lbs.,
19R 22 ft. lbs., plus 90 degrees
20- Step 1: 59 ft. lbs.
21- Steps 1 & 2: 44 inch lbs.
22- Center bolt: 26 ft. lbs.
23- 1st pass: 74 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
19995.7R---7474--1518
  6.5S--48200653126   18
  7.4J85100451106730221521
1* NOTE: Applies to Lower Manifold only.
2TORQUE SPECIFICATIONS CHART
3- Step 1: 22 ft. lbs.
4- Outer bolts on caps 2-4: 67 ft. lbs.
5- Step 1: 22 ft. lbs.
6- Step 1: 27 inch lbs.
7- Step 1: 11 ft. lbs.
8- Step 1: 20 ft. lbs.
9- Inner bolts:
10- Inner bolts: 15 ft. lbs., plus 80 degrees
11- Step 1: 15 ft. lbs.
12- Step 1: 15 ft. lbs.
13- Step 1: 44 inch lbs.
14- Step 1: 11 ft. lbs.
15- 1st pass: 22 ft. lbs.
16- 22 ft. lbs., plus 90 degrees
17- Step 1: 15 ft. lbs.
18- 1st pass: 30 ft. lbs.
19R 1st & 2nd pass: 44 inch lbs.
20- Installation pass: 240 ft. lbs. (to seat damper)
21- Center bolt: 26 ft. lbs.
22- 1st pass: 44 inch lbs.
23- Center bolt: 26 ft. lbs.
24- M8 bolts: 22 ft. lbs.
25- Step 1: 11 ft. lbs.
TORQUE SPECIFICATIONS
all readings in ft. lbs.
YearEngine Displacement Liters (cc)Engine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsLug Nuts
                IntakeExhaust    
19995.7 (5735)R---7474--15-
  6.5 (6473)S--48200653126   -
  7.4 (7440)J851004511067302215-
1* NOTE: Applies to Lower Manifold only.
2A Step 1: 20 ft. lbs.
3B Outer bolts on caps 2-4: 67 ft. lbs.
4C Tighten all bolts to 20 ft. lbs.
5D Lower intake manifold:
6E Tighten bolts to 12 ft. lbs.
7F All 5 & 6 stud single rear wheels: 110 ft. lbs.
8G Outer bolts: 100 ft. lbs.
9H Step 1: 22 ft. lbs.
10I Step 1: 22 ft. lbs.
11J Step 1: 22 ft. lbs.
12K Inner bolts;
13L Step 1: 15 ft. lbs.
14M Use a new bolt
15N Step 1: 15 ft. lbs.
16O Step 1: 44 in. lbs.
17P Nuts: 39 ft. lbs.
18Q 1st pass: 22 ft. lbs.
19R 22 ft. lbs., plus 90 degrees
20S 1st pass: 30 ft. lbs.
21T 1st & 2nd pass: 44 inch lbs.
22U Center bolt: 26 ft. lbs.
TORQUE SPECIFICATIONS
all readings in ft. lbs.
YearEngine ID/VINEngine Displacement LitersCylinder Head BoltsMain Bearing BoltsRod Bearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                ExhaustIntake *    
2005X4.3-77-7074--1118
  V4.8-------1118
  T5.3-------1118
  Z5.3-------1118
  U6.0-------1118
  26.6-----2515   62
  G8.1-R-189---2221
1* NOTE: Applies to Lower Manifold only.
2- Step 1: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- M11 bolts Step 1: 22 ft. lbs.
7
8- Inner bolts:
9- Step 1: 15 ft. lbs.
10- Installation pass: 240 ft. lbs.
11- Step 1: 15 ft. lbs.
12- Step 1: 44 inch lbs.
13- Step 1: 11 ft. lbs.
14
15- M12 bolts: Step 1: 37 ft. lbs.
16- Step 1: 74 ft. lbs.
17- Step 1: 47 ft. lbs.
18- 1st pass: 74 ft. lbs.
19- Step 1: 58 ft. lbs.
20- Step 1: 22 ft. lbs.
21R Inner bolts: 22 ft. lbs.,
22- 22 ft. lbs., plus 90 degrees
23- Step 1: 59 ft. lbs.
24- Steps 1 & 2: 44 inch lbs.
25- Center bolt: 26 ft. lbs.
TORQUE SPECIFICATIONS
all readings in ft. lbs.
YearEngine ID/VINEngine Displacement LitersCylinder Head BoltsMain Bearing BoltsRod Bearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                ExhaustIntake *    
2005X4.3-77-7074--1118
  V4.8-------1118
  B5.3-------1118
  T5.3-------1118
  Z5.3-------1118
  N6.0-------1118
  U6.0-------1118
  26.6-----2515   62
  G8.1-R-189---2221
1* NOTE: Applies to Lower Manifold only.
2- Step 1: 22 ft. lbs.
3- 20 ft. lbs. plus 70 degrees
4- Lower intake manifold:
5- Tighten bolts to 12 ft. lbs.
6- M11 bolts Step 1: 22 ft. lbs.
7
8- Inner bolts:
9- Step 1: 15 ft. lbs.
10- Installation pass: 240 ft. lbs.
11- Step 1: 15 ft. lbs.
12- Step 1: 44 inch lbs.
13- Step 1: 11 ft. lbs.
14
15- M12 bolts: Step 1: 37 ft. lbs.
16- Step 1: 74 ft. lbs.
17- Step 1: 47 ft. lbs.
18- 1st pass: 74 ft. lbs.
19- Step 1: 58 ft. lbs.
20- Step 1: 22 ft. lbs.
21R Inner bolts: 22 ft. lbs.,
22- 22 ft. lbs., plus 90 degrees
23- Step 1: 59 ft. lbs.
24- Steps 1 & 2: 44 inch lbs.
25- Center bolt: 26 ft. lbs.

Main Bearing Torque Sequence





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Fig. Main bearing bolt identification and torque sequence-4.8L, 5.3L and 6.0L engines



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Fig. Main bearing bolt identification and torque sequence-4.8L, 5.3L 6.0L and 6.2L engines

 
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