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 MANUALSOLDSMOBILE1991CALAIS L4-151 2.5LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINMANUAL TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULDISASSEMBLEHM-282 AND 5TM40GEAR CLUSTERS
1991 Oldsmobile Calais L4-151 2.5L
Gear Clusters
1991 Oldsmobile Calais L4-151 2.5LSECTION Gear Clusters
Fig. 10, Transaxle case & gear/shift rail clusters separation:
To conduct this procedure a hydraulic press and tools J-36182-1, J-36182-2 and J-36185 are required.
1. Refer to Fig. 10, and proceed as follows:
a. Position tool J-36182-1 and J-36182-2 onto a hydraulic press.
b. Position transaxle case/gear cluster assembly (A) onto tool J-36182-1 and J-36182-2. Align shift rail and shaft pilots to the fixture.
c. Position J-36185 onto shaft support bearings and pilots.
d. Using the press, separate the shaft and gear clusters from transaxle case.
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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.