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1999 Nissan Sentra Question: how to remove the transmision

 

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alfredo alvarado, Chatsworth, CA, January 19, 2013, 21:37
 Rookie

is automatic transmision

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  • Answer #1

    January 20, 2013, 07:23
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     Master

    Removal

    CAUTION: Before separating transaxle from engine, remove the crankshaft position sensor (OBD) from transaxle. Be careful not to damage sensor.

    Remove battery and bracket.
    Remove air duct between throttle body and air cleaner.

    Remove torque converter clutch solenoid valve harness connector, park/neutral position (PNP) switch harness connector and vehicle speed sensor harness connector.
    Remove crankshaft position sensor (OBD) from transaxle.

    Disconnect throttle wire at engine side.

    Drain ATF from transaxle.
    Disconnect control cable from transaxle.
    Disconnect oil cooler hoses.
    Remove drive shafts. Refer to Drive Shaft; Service and Repair.
    Remove the intake manifold support bracket.
    Remove starter motor from transaxle. Tighten bolts to specified torque.
    Tightening Torque: 31 - 42 Nm (3.2 - 4.3 kg.m, 23 - 31 ft. lbs.)
    Remove upper bolts fixing transaxle to engine.
    Support transaxle with a jack.

    Remove center member.
    Tighten center member fixing bolts to specified torque.

    Remove front and rear gussets and engine rear plate.
    Remove torque converter bolts. Rotate crankshaft to gain access to securing bolts.
    Remove rear transaxle to engine bracket.
    Support engine with a jack.
    Remove rear transaxle mount.
    Remove lower bolts fixing transaxle to engine.
    Lower transaxle with an A/T jack.
    Installation

    Check drive plate runout.
    CAUTION: Do not allow any magnetic materials to contact the ring gear teeth.

    Maximum allowable runout: Refer to Flex Plate; Specifications. If this runout is out of specification, replace drive plate with ring gear.

    When connecting torque converter to transaxle, measure distance "A" to be certain that they are correctly assembled. Distance "A": 21.1 mm (0.831 inch) or more

    Install torque converter to drive plate.
    Tightening torque: 44 - 59 Nm (4.5 - 6.0 kg.m, 33 - 43 ft. lbs.)

    With converter installed, rotate crankshaft several turns to check that transaxle rotates freely without binding.

    Tighten bolts fixing transaxle
    Reinstall any part removed.

    Adjust control cable.
    Adjust throttle wire.
    Check continuity of park/neutral position (PNP) switch. Refer to Transmission Control Systems; Testing and Inspection.
    Refill transaxle with ATF and check fluid level.
    Move selector lever through all positions to be sure that transaxle operates correctly. With parking brake applied, idle engine. Move selector lever through "N" to "D", to "2", to "1" and "R" positions. A slight shock should be felt through the hand gripping the selector each time the transaxle is shifted.
    Perform road test.

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