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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 588 (AUTOMATIC TRANSAXLE - 4T65-E (INTRODUCTION, SERVICE & REPLACEMENT))DESCRIPTION AND OPERATIONTRANSMISSION IDENTIFICATION INFORMATION
1999 GMC Forward Control 5.7 R, Automatic
Transmission Identification Information
1999 GMC Forward Control 5.7 R, AutomaticSECTION Transmission Identification Information
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.
| Callout | Component Name |
|---|---|
| 1 | SRTA Tag Location |
| 2 | Transmission ID Location |
| 3 | Hydra-Matic 4T65-E ID Tag |
| 4 | Transmission |
| 5 | Julian Date |
| 6 | Shift Built A = First Shift; B = Second Shift; C = Third Shift |
| 7 | Update Level |
| 8 | Model |
| 9 | Serial Number in Base Code 31 |
| 10 | W = Warren Plant |
| 11 | Hydra-Matic 4T65-E |
| 12 | Model |
| 13 | Model Year 4 = 2004 |
| 14 | Line Built 1 = Line 1; 2 = Line 2; 3 = Line 3; 4 = Line 4 |
| 15 | Serial Number |
| 16 | Julian Date |
| 17 | Calendar Year 4 = 2004 |
| 18 | Model |
| 19 | Model Year 4 = 2004 |
| 20 | Hydra-Matic 4T65-E SRTA Tag |
| 21 | Control Number |
| 22 | Transmission |
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.