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 MANUALSPONTIAC1987FIERO L4-151 2.5LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINMANUAL TRANSMISSION/TRANSAXLESERVICE AND REPAIRREMOVAL AND INSTALLATIONW/ISUZU 76MM 5SPD RWD TRANSAXLE
1987 Pontiac Fiero L4-151 2.5L
W/Isuzu 76mm 5SPD RWD Transaxle
1987 Pontiac Fiero L4-151 2.5LSECTION W/Isuzu 76mm 5SPD RWD Transaxle
1. Disconnect battery ground cable.
2. Remove deck lid and louvered panels.
3. Remove upper rear engine support bolt.
4. Install engine support fixture tool No. J-28467 or equivalent, see accompanying figure.
5. Raise and support vehicle.
6. Remove slave cylinder from clutch, leaving hydraulic line connected.
7. Disconnect shift cables from transaxle.
8. Disconnect EGR valve output pipe from exhaust manifold.
9. Remove both wheel and tire assemblies.
10. Disconnect parking brake cable from brake calipers and body brackets.
11. Remove lower ball joints, then disconnect tie rods.
12. Remove axle shafts from transaxle.
13. Remove rubber boots from splash shield cradle retainers.
14. Remove rear transaxle bracket mount attaching bolts.
15. Remove motor mount nuts from cradle and from engine mount shock.
16. Remove crossover pipe to converter attaching bolts.
17. Support cradle with a suitable jack, then remove cradle attaching bolts and lower cradle from vehicle.
18. Disconnect electrical connector from oxygen sensor.
19. Remove crossover pipe heat shields, then the exhaust crossover pipe.
20. Support transaxle with a suitable jack.
21. Remove upper transaxle to engine attaching bolts, then the clutch inspection plate cover.
22. Remove lower engine blot studs, then the coolant pipe from stud and nut.
23. Lower transaxle assembly from vehicle.
24. Reverse procedure to install.
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.