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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 >> Vacuum Pump Installation

Vacuum Pump Installation

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Fig 1: Vacuum Pump (With Tightening Sequence)
GM2866398Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Vacuum Pump Gasket
NOTE:

Must use NEW gasket when installing vacuum pump.

2 Vacuum Pump Assembly
3 Vacuum Pump Bolt
CAUTION:

Refer to Fastener Caution .


Procedure 
Tighten the vacuum pump bolts in the sequence shown.
Tighten 
25 N.m (18 lb ft)
4 Vacuum Pump Bolts
Procedure 
Tighten the vacuum pump bolts in the sequence shown.
Tighten 
25 N.m (18 lb ft)
5 Vacuum Pump Bolt
Procedure 
Tighten the vacuum pump bolts in the sequence shown.
Tighten 
25 N.m (18 lb ft)