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 MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 561 (AUTOMATIC TRANSAXLE - 4T65-E (INTRODUCTION, SERVICE & REPLACEMENT))SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F
Fastener Tightening Specifications
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Description of Usage | Ref. No.* | Qty | Size | Specification | |
|---|---|---|---|---|---|
| Metric | English | ||||
| 2-1 Servo to Case | 103 | 3 | M8x1.25x25 | 25 N.m | 18 lb ft |
| Accumulator Cover to Case | 131 | 11 | M6x1.0x28 | 12 N.m | 106 lb in |
| Case Cover to Case | 434 | 3 | M6x1.0x40 | 12 N.m | 106 lb in |
| Case Cover to Case | 436 | 3 | M6x1.0x30 | 12 N.m | 106 lb in |
| Case Cover to Driven Sprocket Support | 435 | 3 | M8x1.25x50 | 25 N.m | 18 lb ft |
| Case Cover to Driven Sprocket Support (TORX®) | 433 | 1 | M6x1.0x32 | 12 N.m | 106 lb in |
| Case to Drive Sprocket Support | 524 | 4 | M8x1.25x23 | 25 N.m | 18 lb ft |
| Case Extension to Case | 5 | 4 | M10x1.5x35 | 36 N.m | 26 lb ft |
| Case Side Cover to Case | 56 | 9 | M8x1.25x25 | 25 N.m | 18 lb ft |
| Case Side Cover to Case (Stud) | 58 | 4 | M8x1.25x25 | 25 N.m | 18 lb ft |
| Case Side Cover to Case (TORX® Special) | 57 | 4 | M8x1.25x21 | 25 N.m | 18 lb ft |
| Detent Spring to Case Cover | 805 | 1 | M6x1.0x16 | 12 N.m | 106 lb in |
| Forward Band Servo Cover to Case | 12 | 3 | M6x1.0x20 | 12 N.m | 106 lb in |
| Manual Shaft/Detent Nut | 803 | 1 | M10x1.5 | 32 N.m | 23 lb ft |
| Oil Cooler Quick Connector | 62 | 1 | 1/4-18 NPSF | 38 N.m | 28 lb ft |
| Oil Cooler Quick Connector with Checkball | 61 | 1 | 3/8-18 NPSF | 38 N.m | 28 lb ft |
| Oil Pan to Case | 23 | 20 | M6x1.0x18 | 14 N.m | 10 lb ft |
| Oil Pressure Test Hole Plug | 38 | 1 | 1/8-27 NPTF | 12 N.m | 106 lb in |
| Pump Body to Case | 206 | 2 | M6x1.0x95 | 16 N.m | 11 lb ft |
| Pump Cover to Case Cover | 207 | 9 | M6x1.0x85 | 12 N.m | 106 lb in |
| Pump Cover to Pump Body | 205 | 1 | M6x1.0x20 | 8 N.m | 70 lb in |
| Speed Sensor to Case | 9 | 1 | M8x1.25x12 | 12 N.m | 106 lb in |
| TFP Switch to Case | 379 | 1 | M6x1.0x95 | 16 N.m | 11 lb ft |
| TFP Switch to Case Cover | 375 | 3 | M6x1.0x60 | 12 N.m | 106 lb in |
| TFP Switch to Valve Body | 381 | 2 | M6x1.0x20 | 8 N.m | 70 lb in |
| Valve Body to Case | 374 | 3 | M6x1.0x65 | 12 N.m | 106 lb in |
| Valve Body to Case | 384 | 1 | M6x1.0x85 | 12 N.m | 106 lb in |
| Valve Body to Case Cover | 376 | 1 | M6x1.0x30 | 12 N.m | 106 lb in |
| Valve Body to Case Cover | 378 | 3 | M6x1.0x55 | 12 N.m | 106 lb in |
| Valve Body to Case Cover (TORX®) | 377 | 2 | M6x1.0x45 | 12 N.m | 106 lb in |
| Valve Body to Driven Sprocket Support | 380 | 1 | M8x1.25x90 | 25 N.m | 18 lb ft |
| * 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.