2021 Chevrolet Cheyenne Service and Repair Manual

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Factory-Grade Data

2021 Chevrolet Cheyenne service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • RST Crew Cab Pickup 4-Door
  • Trail Boss Crew Cab Pickup 4-Door
  • High Country Crew Cab Pickup 4-Door
  • LT Standard Cab Pickup 2-Door

Engines covered

  • 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
  • 6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2021 Chevrolet Cheyenne Recalls & Complaints

NHTSA #20V81100023/12/2020Component: SEAT BELTS

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Che

Consequence

If a seat belt assembly is not properly attached to the vehicle, the seat belt may not pro

Remedy

GM will notify owners, and dealers will replace the suspect bolts, free of charge. The re

NHTSA #21V98500016/12/2021Component: TIRES:TEMPORARY/EMERGENCY SPARE TIRE

General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire

Consequence

An ABS system that does not function properly can increase the risk of a crash.

Remedy

Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the a

NHTSA #20V68400005/11/2020Component: TIRES

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 ve

Consequence

Overcured tires may experience a carcass break in the sidewall resulting in a sudden air l

Remedy

GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT n

NHTSA #21V49500001/07/2021Component: AIR BAGS:FRONTAL

General Motors, LLC. (GM) is recalling certain 2021 Chevrolet Silverado 1500 vehicles. The front driver's side air bag module may be missing one or more metal tabs that secure the

Consequence

The missing tabs may prevent the air bag from deploying properly, increasing the risk of i

Remedy

Dealers will inspect the driver frontal air bag, and replace it if necessary, free of char

No service bulletins No technical service bulletins on file with NHTSA for the 2021 Chevrolet Cheyenne.
20211012Component: WHEELSCrash reportedFire reported1 injured

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving at 50 MPH, the brake pedal was depressed as he began to approach traffic on the highway. As

20251229Component: AIR BAGSCrash reportedFire reported

A week or two before I took my truck into decorah Chevy isr because tailgate was going up and down all by itself while I was driving or parked without me by it. They said it was ju

20251229Component: SEAT BELTSCrash reportedFire reported

A week or two before I took my truck into decorah Chevy isr because tailgate was going up and down all by itself while I was driving or parked without me by it. They said it was ju

20251229Component: ELECTRICAL SYSTEMCrash reportedFire reported

A week or two before I took my truck into decorah Chevy isr because tailgate was going up and down all by itself while I was driving or parked without me by it. They said it was ju

Showing the 4 most serious of 979 complaints filed with NHTSA.

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