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.
1991 Suzuki Samurai JSFACTORY OEM SERVICE PROCEDURE
Transmission Control Module Installation
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
- Using an adjustable wrench on the manual shaft detent lever (710), turn the shaft clockwise until it stops.
- Turn the shaft counter-clockwise one position to the neutral location. To verify turning the shaft in the correct direction, on the manual shaft detent lever (710) the reverse position is larger and more resistance can be felt.
- Inspect the condition of the connector pins on the wiring harness assembly (33) for foreign material, bent pins, or broken pins.
- Ensure the TCM seal (72) is installed.
- Turn the slot in the TCM to align the two marks. Do not turn more than 60 degrees.
- Install the TCM (75) over the manual shaft detent lever (710) and into the wire connector.CAUTION: Refer to FASTENER NOTICE .
- Install the three bolts (76).
Tightening torqueΒ
Tighten the TCM bolts to 25 N.m (18 lb ft)Β .
Reference: INPUT AND OUTPUT SPEED SENSOR INSTALLATIONΒ .
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
