Serpentine belt replacement Guide2008 Chevrolet Silverado
Complete DIY repair guide with step-by-step instructions. Find exact parts on Amazon for your vehicle.
Difficulty
Easy
Time
15-20 minutes
Parts Needed
2 items
DIY Savings
$100-400+
2008 Chevrolet Silverado — What You Need to Know
- →Belt size differs between AC and non-AC trucks — verify your configuration before purchasing
- →5.3L LS uses a 15mm tensioner bolt — rotate clockwise to release
- →Silverado belt routing diagram is on a sticker in the engine bay near the radiator support
- →4.8L, 5.3L, and 6.0L all use similar routing but different belt lengths — verify by engine code on door jamb sticker
Torque Specs
Tensioner bolt: 37 ft-lbs
Belt Routing
5.3L with AC: Crankshaft → AC compressor → idler → water pump → power steering → alternator → tensioner. Without AC: Crankshaft → idler → water pump → power steering → alternator → tensioner.
Safety Warnings
- •Verify whether your truck has AC — belt lengths differ significantly
Tools Required
15mm wrench or 3/8" drive for tensioner
Belt routing diagram (on hood decal)
Parts Needed
Serpentine Belt (5.3L no AC)6 rib, 840mm
Shop on AmazonGates K060840
Serpentine Belt (5.3L with AC)6 rib, 995mm
Shop on AmazonGates K060995
Basic Procedure Overview
- 1Locate tensioner on driver side of engine
- 2Rotate tensioner clockwise (15mm) to release tension
- 3Remove belt, route new belt per hood diagram
- 4Routing with AC: crank → AC → idler → water pump → PS pump → alternator → tensioner
- 5Slip over last pulley while holding tensioner, release slowly
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