Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 540 (AUTOMATIC TRANSMISSION - 4L60-E - INTRODUCTION)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Fastener Tightening Specifications
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2009 GMC Savana and 2009 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
| Description of Usage | Ref No.* | Qty | Size | Specification | |
|---|---|---|---|---|---|
| Metric | English | ||||
| Accumulator Cover to Case | 58 | 1 | M6x1.0x65 | 8-14 N.m | 71-124 lb in |
| Accumulator Cover to Case | 117 | 1 | M6x1.0x65 | 8-14 N.m | 71-124 lb in |
| Accumulator Cover to Case | 118 | 2 | M6x1.0x28.0 | 8-14 N.m | 71-124 lb in |
| Accumulator Cover to Case | 59 | 2 | M6x1.0x35 | 8-14 N.m | 71-124 lb in |
| Converter Cover Bolt | - | - | - | 10 N.m | 89 lb in |
| Converter Housing to Case | 94 | 8 | M10x1.5gx45 | 65-75 N.m | 48-55 lb ft |
| Cooler Pipe Connector | 95 | 2 | 1/4-18NSPS(SPL) | 35-41 N.m | 26-30 lb ft |
| Detent Spring to Valve Body | 64 | 1 | M8x1.25x20 | 20-27 N.m | 15-20 lb ft |
| Extension Housing to Case | 32 | 6 | M10x1.5x33.4 | 42-48 N.m | 31-35 lb ft |
| Extension Housing to Case (4WD Shipping) | N/A | 4 | M10x1.5x33.4 | 11-23 N.m | 8-17 lb in |
| Floorshift Control Bolt | - | - | - | 10 N.m | 89 lb in |
| Flywheel to Torque Converter Bolt | - | - | - | 63 N.m | 46 lb ft |
| Forward Accumulator Cover to Valve Body | 364 | 3 | M6x1.0x17.7 | 8-14 N.m | 71-124 lb in |
| Heat Shield to Transmission Bolt | - | - | - | 17 N.m | 13 lb ft |
| Input Speed Sensor Hole Plug to Pump Cover | 248 | 1 | M6x1.0x17.7 | 9-11 N.m | 80-97 lb in |
| Input Speed Sensor to Pump Cover | 247 | 1 | M6x1.0x17.7 | 9-11 N.m | 80-97 lb in |
| Line Pressure Test Hole Plug | 39 | 1 | 1/8-27NPTF | 8-14 N.m | 71-124 lb in |
| Negative Battery Cable Bolt | - | - | - | 15 N.m | 11 lb ft |
| Oil Cooler Pipe Fitting | 10 | 2 | 9/16-18UNF | 20 +/- 2 N.m | 15 lb ft |
| Oil Level Indicator Bolt | - | - | - | 47 N.m | 35 lb ft |
| Oil Pan to Case | 76 | 16 | M8x1.25x19.3 | 16 N.m | 11.8 lb ft |
| Oil Pan to Transmission Case Bolt | - | - | - | 11 N.m | 97 lb in |
| Oil Passage Cover (Spacer Plate Support) to Case | 77 | 3 | M6x1.0x17.7 | 8-14 N.m | 71-124 lb in |
| Oil Passage Cover (Spacer Plate Support) to Case | 115 | 1 | M6x1.0x19.0 | 8-14 N.m | 71-124 lb in |
| Park Lock Bracket to Case | 87 | 1 | M8x1.25x20 | 27-34 N.m | 20-25 lb ft |
| Park/Neutral Position Switch Screw | - | - | - | 3 N.m | 27 lb in |
| Plate to Case (Shipping) | N/A | 2 | M10x1.5x35 | 27-34 N.m | 20-25 lb ft |
| Plate to Converter (Shipping) | N/A | 1 | M10x1.5x25 | 27-34 N.m | 20-25 lb ft |
| Plate to Converter (Shipping) | N/A | 1 | M10x1.5x15 | 27-34 N.m | 20-25 lb ft |
| Pressure Control Solenoid Bracket to Valve Body Bolt | 364 | 1 | M6x1.0x17.7 | 8-14 N.m | 71-124 lb in |
| Pump Assembly to Case | 2 | 7 | M8x1.25x60 | 26-32 N.m | 19-24 lb ft |
| Pump Cover to Pump Body | 233 | 5 | M8x1.25x40 | 20-27 N.m | 15-20 lb ft |
| Shift Cable Grommet Screw | - | - | - | 1.7 N.m | 15 lb in |
| Shift Control Cable Attachment | - | - | - | 20 N.m | 15 lb ft |
| Speed Sensor to Case | 35 | 1 | M6x1.0x15 | 11-14 N.m | 98-124 lb in |
| TCC Solenoid Assembly to Case | 68 | 2 | M6x1.0x12 | 8-14 N.m | 71-124 lb in |
| Transmission Mount to Transmission Bolt | - | - | - | 50 N.m | 37 lb ft |
| Transmission Oil Cooler Pipe Fitting | - | - | - | 35-41 N.m | 26-30 lb ft |
| Transmission Oil Pan to Case Bolt | - | - | - | 9.5-13.8 N.m | 84-122 lb in |
| Transmission to Engine Bolt | - | - | - | 47 N.m | 35 lb ft |
| Valve Body to Case | 120 | 3 | M6x1.0x54.4 | 8-14 N.m | 71-124 lb in |
| Valve Body to Case | 62 | 12 | M6x1.0x47.5 | 8-14 N.m | 71-124 lb in |
| Valve Body to Case | 59 | 2 | M6x1.0x35 | 8-14 N.m | 71-124 lb in |
| * Reference Number refers to the callout number on the disassembled view. | |||||
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.