Repair manual
Wiring diagrams
GMC Sierra 2500 Repair Manual
Step-by-step repair and maintenance instructions for the GMC Sierra 2500 (2000–2004): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
- Automatic Transmission - 4L80-E - Overhaul & Testing
- Automatic Transmission Diagnosis - 4L80-E
- Shift Interlock System
- Automatic Transmission - Diagnosis - Allison
- Automatic Transmission - Servicing - Allison
- Automatic Transmission - Servicing - Except Allison
- Automatic Transmission Diagnosis - 4L60-E
- Automatic Transmission - 4L60-E/4L65-E - Removal & Installation
- Automatic Transmission - 4L80-E - Removal & Installation
- Automatic Transmission - Removal & Installation - Allison
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing
- Engine Block Cleaning & Inspection
- Piston, Connecting Rod & Bearings - Cleaning & Inspection
- Crankshaft & Bearings - Cleaning & Inspection
- Camshaft & Bearings - Cleaning & Inspection
- Balance Shaft Cleaning & Inspection
- Valve Rocker Arm & Push Rods - Cleaning & Inspection
- Cylinder Head Cleaning & Inspection
- Oil Pump Cleaning & Inspection
- Valve Rocker Arm Cover Cleaning & Inspection
- Water Pump Cleaning & Inspection
- Engine Mechanical Diagnostic Procedure Revisions
- Clutch Pilot Bearing Removal
- Exhaust Manifold Removal - Left
- Exhaust Manifold Removal - Right
- Oil Level Indicator & Tube Removal
- Water Pump Removal
- Crankshaft Balancer Removal
- Valve Rocker Arm & Push Rod Removal
- Valve Lifter Removal
- Timing Chain & Sprockets Removal
- Piston, Connecting Rod & Bearing Removal
- Engine Block Plug Removal
- Camshaft Bearing Removal
- Camshaft Bearing Installation
- Balance Shaft Bearing and/or Bushing Removal
- Balance Shaft Bearing And/Or Bushing Installation
- Engine Block Plug Installation
- Crankshaft & Bearings Installation
- Crankshaft Rear Oil Seal & Housing Installation
- Piston, Connecting Rod & Bearing Installation
- Balance Shaft Installation
- Timing Chain & Sprockets Installation
- Engine Front Cover Installation
- Crankshaft Balancer Installation
- Cylinder Head Installation - Left
- Cylinder Head Installation - Right
- Valve Rocker Arm & Push Rod Installation
- Intake Manifold Installation
- Distributor Installation
- Valve Rocker Arm Cover Installation - Left
- Valve Rocker Arm Cover Installation - Right
- Oil Level Indicator & Tube Installation
- Water Pump Installation
- Engine Flywheel Installation
- Boring Procedure
- Honing Procedure
- Deglazing Procedure
- Cleaning Procedure
- Measuring Main Bearing Clearance
- Measuring Connecting Rod Bearing Clearance
- Press Fit Piston Pin
- Piston and Pin
- Connecting Rod & Bearings
- Measuring Piston Ring End Gap
- Full-Floating Piston Pin
- Measuring Camshaft Lobe Lift
- Valve Guide Reaming/Valve & Seat Grinding
- Valve Guide Reaming
- Valve & Seat Grinding
- Thread Repair
- General Thread Repair
- Piston Selection
- Camshaft and Drive System
- Crankshaft
- Cylinder Heads
- Engine Block
- Exhaust Manifolds
- Intake Manifold
- Oil Pan
- Valve Train
- New Product Information
- New Sealants and/or Adhesives
- A Component Comparison from the Previous Year
- Cleanliness & Care
- Replacing Engine Gaskets
- Gasket Reuse and Applying Sealants
- Separating Components
- Cleaning Gasket Surfaces
- Pipe Joint Compound
- RTV Sealer
- Anaerobic Sealer
- Separating Parts
- Tools & Equipment
- Draining Fluids & Oil Filter Removal
- Crankshaft Balancer Removal
- Engine Flywheel Removal
- Clutch Pilot Bearing Removal
- Oil Level Indicator & Tube Removal
- Exhaust Manifold Removal - Right
- Throttle Body Removal
- Fuel Rail & Injectors Removal
- Intake Manifold Removal
- Valve Rocker Arm Cover Removal - Left
- Valve Rocker Arm Cover Removal - Right
- Valve Rocker Arm & Push Rod Removal
- Valve Lifter Removal
- Oil Pan Removal
- Timing Chain & Sprockets Removal
- Piston, Connecting Rod & Bearing Removal
- Crankshaft & Bearings Removal
- Engine Block Plug Removal
- Camshaft Bearing Removal
- Camshaft Bearing Installation
- Engine Block Plug Installation
- Crankshaft & Bearings Installation
- Piston, Connecting Rod & Bearing Installation
- Installation Procedure
- Camshaft Installation
- Timing Chain & Sprockets Installation
- Oil Pump, Pump Screen & Deflector Installation
- Engine Rear Cover Installation
- Crankshaft Rear Oil Seal Installation
- Engine Front Cover Installation
- Crankshaft Front Oil Seal Installation
- Oil Pan Installation
- Valve Lifter Installation
- Cylinder Head Installation - Left
- Cylinder Head Installation - Right
- Valve Rocker Arm & Push Rod Installation
- Valve Rocker Arm Cover Installation - Left
- Valve Rocker Arm Cover Installation - Right
- Engine Valley Cover Installation
- Coolant Air Bleed Pipe Installation
- Intake Manifold Installation
- Fuel Rail & Injectors Installation
- Water Pump Installation
- Exhaust Manifold Installation - Left
- Exhaust Manifold Installation - Right
- Oil Level Indicator & Tube Installation
- Clutch Pilot Bearing Installation
- Engine Flywheel Installation
- Crankshaft Balancer Installation
- Crankshaft Balancer Removal
- Engine Flywheel Removal (Automatic Transmission)
- Engine Flywheel Removal (Manual Transmission)
- Crankshaft Rear Oil Seal Removal
- Oil Pan Removal - Lower
- Oil Pan Removal - Upper
- Engine Flywheel Housing Removal
- Oil Fill Tube Removal
- Intake Manifold Removal - Left
- Intake Manifold Removal - Right
- Valve Rocker Arm Cover Removal - Upper Left
- Valve Rocker Arm Cover Removal - Upper Right
- Fuel Injectors Removal
- Fuel Injector Sleeve Removal
- Cylinder Head Removal - Left
- Valve Lifter Removal
- Crankshaft Front Oil Seal Removal
- Engine Front Cover Removal
- Oil Pump Removal
- Piston, Connecting Rod & Bearing Removal
- Camshaft Removal
- Crankshaft & Bearings Removal
- Camshaft Bearing Removal
- Camshaft Bearing Installation
- Crankshaft & Bearings Installation
- Camshaft Installation
- Piston, Connecting Rod & Bearing Installation
- Crankshaft Front Oil Seal Installation
- Cylinder Head Installation - Left
- Cylinder Head Installation - Right
- Fuel Injector Sleeve Installation
- Engine Removal from Stand
- Exhaust Pipe Installation - Left
- Exhaust Pipe Installation - Right
- Crankshaft Rear Oil Seal Installation
- Engine Flywheel Installation (Automatic Transmission)
- Engine Flywheel Installation (Manual Transmission)
- Crankshaft Balancer Installation
- Crankshaft Balancer Removal (Heavy Duty)
- Crankshaft Balancer Removal (Medium Duty)
- Engine Flywheel Removal (C/K with M/T)
- Crankshaft Rear Oil Seal Removal
- Engine Flywheel Housing Removal (Medium Duty with A/T)
- Engine Flywheel Housing Removal (Medium Duty with M/T)
- Clutch Pilot Bearing Removal (C/K/C3500HD)
- Clutch Pilot Bearing Removal (Medium Duty)
- Oil Level Indicator & Tube Removal (Medium Duty)
- Exhaust Manifold Removal - Left (C/K/G/C3500HD)
- Exhaust Manifold Removal - Left (Medium Duty)
- Exhaust Manifold Removal - Right (C/K/C3500HD)
- Exhaust Manifold Removal - Right (Medium Duty)
- Valve Rocker Arm & Push Rod Removal
- Valve Lifter Removal
- Engine Front Cover Removal
- Timing Chain & Sprockets Removal
- Piston, connecting Rod, and Bearing Removal
- Crankshaft & Bearings Removal
- Engine Block Plug Removal (C/K/C3500HD)
- Engine Block Plug Removal (Medium Duty)
- Camshaft Bearing Removal
- Camshaft Bearing Installation
- Valve Installation
- Engine Block Plug Installation (C/K/C3500HD)
- Engine Block Plug Installation (Medium Duty)
- Crankshaft & Bearings Installation
- Piston, Connecting Rod & Bearing Installation
- Timing Chain & Sprockets Installation
- Engine Front Cover Installation
- Oil Pan Installation (C/K/C3500HD)
- Oil Pan Installation (Medium Duty)
- Valve Lifter Installation
- Cylinder Head Installation - Left
- Cylinder Head Installation - Right
- Valve Rocker Arm & Push Rod Installation
- Water Pump Installation (C3500HD/Medium Duty)
- Oil Level Indicator & Tube Installation (C/K/C3500HD)
- Oil Level Indicator & Tube Installation (Medium Duty)
- Clutch Pilot Bearing Installation (Medium Duty)
- Crankshaft Rear Oil Seal Installation
- Engine Flywheel Installation (C/K/C3500HD with A/T)
- Engine Flywheel Installation (Medium Duty with A/T)
- Crankshaft Balancer Installation
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Parasitic Load Explanation & Test Procedures - General Information
- Waveforms - Injector Pattern Tutorial - General Information
- Electrostatic Discharge Warning - General Information
- Emission Control Description & Operation - Diesel
- State Emission Standards - Diesel
- Compressor Replacement (L35 W/Harrison)
- Removal Procedure
- Installation Procedure
- Compressor Replacement (LB7 w/Denso)
- Compressor Replacement (LB7 w/Harrison)
- Compressor Replacement (LR4, LM7, LQ4, L18 w/Denso)
- Compressor Replacement (L18 w/Harrison)
- Clutch Rotor And/Or Bearing Removal
- Compressor Clutch Coil Removal (HT6/HD6/HU6)
- Compressor Pressure Relief Valve Removal (HT6/HD6/HU6)
- Compressor Control Switches Removal (HT6/HD6/HU6)
- Compressor Clutch Plate/Hub Assembly Replacement (HD6/HT6/HU6)
- Compressor Hose Assembly Replacement (L35 w/Harrison)
- Compressor Hose Assembly Replacement (L18 w/Harrison)
- Compressor Hose Assembly Replacement (LB7 w/Harrison)
- Discharge Hose Replacement (LR4, LM7, LQ4 & L18 w/Denso)
- Discharge Hose Replacement (LB7 w/Denso)
- Suction Hose Replacement (LB7 w/Denso)
- Suction Hose Replacement (LR4, LM7, LQ4 & L18 w/Denso)
- Evaporator Tube Replacement
- Air Conditioning (A/C) Refrigerant Filter Installation
- Air Conditioning (A/C) Refrigerant Filter Replacement
- Expansion (Orifice) Tube Replacement
- Suction Screen Installation
- Suction Screen Replacement
- Air Conditioning (A/C) High Pressure Switch Replacement
- Condenser Replacement
- Accumulator Replacement
- Heater Hose Replacement - Inlet (L18)
- Heater Hose Replacement - Inlet (LB7)
- Heater Hose Replacement - Inlet (L35)
- Heater Hose Replacement - Inlet (LR4, LM7 & LQ4)
- Heater Hose Replacement - Outlet (L18)
- Heater Hose Replacement - Outlet (LB7)
- Heater Hose Replacement - Outlet (L35)
- Heater Hose Replacement - Outlet (LR4, LM7, LQ4)
- Engine Mechanical - 6.6L V8 Diesel
- Engine Mechanical - 8.1L (On-Vehicle)
- Engine Mechanical - 4.3L (On-Vehicle)
- Engine Mechanical - 4.8L, 5.3L, & 6.0L - (On-Vehicle) Suv
- Engine Mechanical - 4.8L, 5.3L, & 6.0L - (On-Vehicle) Except Suv
- Engine Mechanical - 4.3L (Unit Repair)
- Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair)
- Engine Mechanical - 6.6L (Unit Repair)
- Engine Mechanical - 8.1L (Unit Repair)
- Rpo Code Definitions (Rpo 001-19F)
- Rpo Code Definitions (Rpo 19H-2EL).
- Rpo Code Definitions (Rpo 2F1-44I).
- Rpo Code Definitions (Rpo 44L-5J9).
- Rpo Code Definitions (Rpo 5K0-6FF).
- Rpo Code Definitions (Rpo 6FG-76A).
- Rpo Code Definitions (Rpo 76D-7XD).
- Rpo Code Definitions (Rpo 7XF-8M0).
- Rpo Code Definitions (Rpo 8M1-9C0).
- Rpo Code Definitions (Rpo 9C1-A0F).
- Rpo Code Definitions (Rpo A0G-AR4).
- Rpo Code Definitions (Rpo AR5-BCP).
- Rpo Code Definitions (Rpo BCQ-C12).
- Rpo Code Definitions (Rpo C13-CUR).
- Rpo Code Definitions (Rpo Cut-Dir).
- Rpo Code Definitions (Rpo DR7-EHE).
- Rpo Code Definitions (Rpo EHF-F5P).
- Rpo Code Definitions (Rpo F5Q-G1V).
- Rpo Code Definitions (Rpo G1W-HFN).
- Rpo Code Definitions (Rpo Hfo-Jrg).
- Rpo Code Definitions (Rpo Jrh-Kly).
- Rpo Code Definitions (Rpo Klz-Lqx).
- Rpo Code Definitions (Rpo LQY-MW9).
- Rpo Code Definitions (Rpo Mwe-Odk).
- Rpo Code Definitions (Rpo Odl-Ora).
- Rpo Code Definitions (Rpo Orb-Pde).
- Rpo Code Definitions (Rpo PDF-QH6).
- Rpo Code Definitions (Rpo QH7-R8D).
- Rpo Code Definitions (Rpo R8E-T07).
- Rpo Code Definitions (Rpo T08-TJ0).
- Rpo Code Definitions (Rpo TJ1-U10).
- Rpo Code Definitions (Rpo U11-US9).
- Rpo Code Definitions (Rpo USB-VG9).
- Rpo Code Definitions (Rpo VGA-W5Y).
- Rpo Code Definitions (Rpo W5Z-XE3).
- Rpo Code Definitions (Rpo XE4-Y9Z).
- Rpo Code Definitions (Rpo YA2-ZD9).
- Rpo Code Definitions (Rpo Zde-Zzz).
- Engine Controls Self-Diagnostics - 4.3L
- Engine Control System Self-Diagnostics - 4.8L, 5.3L & 6.0L
- Engine Control System Self-Diagnostics - 8.1L "C", "G" & "K" Series Trucks
- Engine Controls Self-Diagnostics - 6.6L Diesel
- Engine Controls - Basic Diagnostic Procedures
- Engine Controls - Trouble Shooting - No Codes
- Engine Controls - System & Component Testing
- Engine Controls Self-Diagnostics - 6.0L - Bi-Fuel & Cng
- Engine Controls - Strategy Based Engine Diagnosis
- Transfer Case - Removal & Installation
- Transfer Case - Diagnosis - Nvg 261C
- Transfer Case - Nvg 149-NP (One Speed Automatic)
- Transfer Case - Nvg 236/246-NP8 (2-SPEED Automatic)
- Transfer Case - Nvg 261-NP2 (2-SPEED Manual)
- Transfer Case - Nvg 263-NP1 (Selectable)
- Transfer Case - Nvg 149-NP3 (Unit Repair)
- Transfer Case Nvg 246-NP8
- Transfer Case - Nvg 261-NP2
- Transfer Case - Nvg 263-NP1 (Unit Repair)