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 MANUALSBUICK1998REGAL 25TH ANNIVERSARY EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSAXLE OVERHAUL & TESTING - 4T65-ECOMPONENT DISASSEMBLY & REASSEMBLYVEHICLE SPEED SENSOR (VSS)INSPECTION & REASSEMBLY
1998 Buick Regal 25th Anniversary Edition
Inspection & Reassembly
1998 Buick Regal 25th Anniversary EditionSECTION Inspection & Reassembly
Check for damaged connector, cracked housing, signs of rotor damage or cuts or nicks on seal. Install NEW seal over speed sensor. Install speed sensor into case extension. See Figure. Install bolt and tighten to 97 INCH Lbs. (11 N.m).
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.