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 MANUALSCHEVROLET1987CHEVETTE L4-98 1.6LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIRPROCEDURESSERVO ASSEMBLY REPLACE
1987 Chevrolet Chevette L4-98 1.6L
Servo Assembly Replace
1987 Chevrolet Chevette L4-98 1.6LSECTION Servo Assembly Replace
1. Remove valve body from transmission as outlined previously.
2. Compress servo piston with tool J23075.
3. With suitable pliers, remove servo piston snap ring and slowly loosen the tool. Remove tool, servo piston return spring and apply rod from transmission.
4. Install apply rod, return spring and piston into case.
5. Use tool J-23075 to compress spring and install snap ring. Remove tool.
6. With a 3/16 inch wrench on servo adjusting bolt, adjust apply rod by torquing bolt to 40 inch lbs., then back off bolt exactly 5 turns. Tighten locknut while holding apply rod in position.
7. Install valve body.
2. Compress servo piston with tool J23075.
3. With suitable pliers, remove servo piston snap ring and slowly loosen the tool. Remove tool, servo piston return spring and apply rod from transmission.
4. Install apply rod, return spring and piston into case.
5. Use tool J-23075 to compress spring and install snap ring. Remove tool.
6. With a 3/16 inch wrench on servo adjusting bolt, adjust apply rod by torquing bolt to 40 inch lbs., then back off bolt exactly 5 turns. Tighten locknut while holding apply rod in position.
7. Install valve body.
RENDER: 1.0x
NO RELATED
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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.