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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Mechanical - 5.3L (L83) Or 6.2L (L86) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Engine Coolant Manifold Installation

Engine Coolant Manifold Installation

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Fig 1: Engine Coolant Manifold (With Tightening Sequence) (L83, L86)
GM2892195Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Engine Coolant Manifold Gaskets
NOTE:

Must use a NEW gasket.

2 Engine Coolant Manifold Assembly
3 Engine Coolant Manifold Bolt
CAUTION:

Refer to Fastener Caution .

NOTE:

Clean the threads and apply a threadlocker.


Refer to Adhesives, Fluids, Lubricants, and Sealers .
Procedure 
Tighten the engine coolant manifold bolts in the sequence shown.
Tighten 
25 N.m (18 lb ft)
4 Engine Coolant Manifold Bolt
NOTE:

Clean the threads and apply a threadlocker.


Refer to Adhesives, Fluids, Lubricants, and Sealers .
Procedure 
Tighten the engine coolant manifold bolts in the sequence shown.
Tighten 
25 N.m (18 lb ft)
5 Engine Coolant Manifold Bolt
NOTE:

Clean the threads and apply a threadlocker.


Refer to Adhesives, Fluids, Lubricants, and Sealers .
Procedure 
Tighten the engine coolant manifold bolts in the sequence shown.
Tighten 
25 N.m (18 lb ft)
6 Engine Coolant Manifold Bolt
NOTE:

Clean the threads and apply a threadlocker.


Refer to Adhesives, Fluids, Lubricants, and Sealers .
Procedure 
Tighten the engine coolant manifold in the sequence shown.
Tighten 
25 N.m (18 lb ft)
7 Drive Belt Tensioner
8 Drive Belt Tensioner Bolt
Tighten 
58 N.m (43 lb ft)