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.
Front Cover Oil Seal: Installation
Coat seal contact area with engine oil, and install NEW oil seal using Cover Aligner/Seal Installer (J-35468). For Cavalier and Sunfire, apply RTV Sealant (1052917) to crankshaft keyway. For S10 and Sonoma, apply RTV Sealant (12346141) to crankshaft keyway. To complete installation, reverse removal procedure. When installing crankshaft pulley hub onto crankshaft, use Crankshaft Pulley Hub Installer (J-29113). Tighten all fasteners to specification. See TORQUE SPECIFICATIONS .
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.