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 MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION REMOVAL & INSTALLATIONAUTOMATICTRANSAXLEREMOVAL ("U" SERIES)
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Removal ("U" Series)
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Removal ("U" Series)
- Disconnect negative battery cable. Loosen and then tighten fuel filler cap to relieve tank pressure. Remove air cleaner. Remove right engine mount strut, when equipped. Install engine support fixture. Disconnect electrical connectors at transaxle.
- Disconnect electrical wiring harness retainer to transaxle shift cable bracket. Remove shift cable bracket and heat shield. Remove wire cable/bracket-to-body assembly. Remove PNP switch.
- Remove 3 upper transaxle retaining bolts. Remove grounds at engine/transaxle stud. Remove stud. Raise and support vehicle. Remove front wheels. Remove engine splash shields. Remove torque converter cover. Remove starter. Remove flywheel-to-torque converter bolts. Drain transaxle fluid. Disconnect transaxle cooler lines.
- Remove drive axles. See appropriate FWD AXLE SHAFTS article in DRIVE AXLES. Disconnect electrical connector to speed sensor at transaxle. Remove transaxle-to-engine brace. Remove tie rod end cotter pins and nuts. Disconnect tie rod ends from steering knuckle. Remove stabilizer shaft. Remove power steering gear heat shield. Remove power steering gear-to-frame retaining nuts. Remove power steering gear from frame and secure to vehicle with wire.
- Remove power steering cooler pipe from frame and secure to vehicle with wire. Disconnect front wheel speed sensor connectors. Remove front wheel speed sensor wiring from lower control arms. Remove lower ball joint retaining bolts and nuts. Disconnect lower ball joints from steering knuckles. Remove engine mount-to-frame mounting nuts and washers.
- Remove front and rear transaxle mount nuts and washers. Suitably support frame. Remove front and rear frame bolts. Remove frame. Suitably support transaxle assembly. Remove remaining transaxle-to-engine bolts. Separate transaxle from engine. Lower transaxle assembly from vehicle.
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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.