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.
1987 Pontiac Fiero Base, Standard, MG3FACTORY OEM SERVICE PROCEDURE
Intermediate Servo Assembly: Notes
- Remove all, except 2, oil pan bolts. Leave these 2 bolts finger tight. Tap oil pan loose with rubber mallet. Remove oil pan and oil strainer. Discard oil strainer "O" ring.NOTE: DO NOT remove servo piston oil seals unless servo piston is to be replaced.
- Remove reverse oil pipe retaining bracket-to-servo cover bolt. Remove remaining servo cover bolts. Lift off intermediate servo cover and gasket. Remove intermediate servo assembly. See Fig 1 .
- If necessary, detach snap ring, and remove intermediate band apply pin from intermediate servo piston. Discard oil seals. Remove 3rd accumulator exhaust valve and spring. See Fig 1 . Inspect spring and exhaust valve for wear or damage. See Fig 2 .
Factory Service Tools
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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.
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