Toyota Cressida/Corona/Crown/MarkII 1970-1982 Repair Guide

Transmission Assembly

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REMOVAL & INSTALLATION



Corona (1970-73) and Mark II 4-Cylinder


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Fig. Fig. 1 View of the 4-speed manual transmission-1970-71 Corona

  1. Unfasten the cable from the negative battery terminal.
  2.  
  3. Remove the accelerator torque rod from its valve cover mounting.
  4.  
  5. Separate the downpipe from the flange and remove the flange. Remove the exhaust pipe bracket.
  6.  
  7. Raise the car with a jack and support it with jackstands.
  8.  


CAUTION
Be sure that the car is securely supported. Remember, you will be working underneath it.

  1. Remove the parking brake equalizer support bracket.
  2.  
  3. Unfasten the speedometer cable and back up lamp wiring harness from the transmission.
  4.  
  5. Remove the control shaft lever retainer.
  6.  
  7. Remove the clutch release cylinder from the transmission and set it up, out of the way.
  8.  

Do not disconnect the hydraulic line from the release cylinder.

  1. Drain the transmission oil.
  2.  
  3. Remove the driveshaft.
  4.  

To prevent oil from draining out of the transmission, cover the opening with a plastic bag secured by a rubber band.

  1. Support the transmission with a jack.
  2.  

Place a support under the engine to prevent the total weight from being supported by the front mounts. Be careful of oil pan damage.

  1. Unfasten the rear engine mounts and remove the engine rear support crossmember (see ).
  2.  
  3. Lower the jack.
  4.  
  5. Unfasten the bolts securing the clutch housing to the cylinder block.
  6.  
  7. Remove the transmission toward the rear of the car.
  8.  
  9. Installation is the reverse of removal. However, before installing the transmission apply a light coating of multipurpose grease to the input shaft end, input shaft spline, clutch release bearing and the driveshaft end. After installation, fill the transmission and the cooling system. Adjust the clutch.
  10.  

Mark II 6-Cylinder and Crown 2600

Working from inside of the car, perform the following:

  1. Place the gear selector in Neutral. Remove the center console, if so equipped.
  2.  
  3. Remove the trim boot at the base of the shift lever and the boot underneath it on the shift tower.
  4.  
  5. Unfasten the four shift lever plate returning screws.
  6.  
  7. Withdraw the shift lever assembly.
  8.  
  9. Remove the gasket.
  10.  

Cover the hole with a clean cloth to prevent anything from falling into the transmission case.

Working in the engine compartment perform the following:

  1. Drain the cooling system and disconnect the cable from the negative side of the battery.
  2.  
  3. Remove the radiator hoses.
  4.  
  5. Separate the downpipe from the flange and remove the flange. Remove the exhaust pipe bracket.
  6.  
  7. Raise the car with a jack and support it with jackstands.
  8.  


CAUTION
Be sure that the car is securely supported with jackstands. Remember, you will be working underneath it.

  1. Drain the transmission oil.
  2.  
  3. Detach the exhaust pipe from the manifold and remove the exhaust pipe support bracket.
  4.  
  5. Remove the driveshaft.
  6.  

It will be necessary to plug the opening in the end of the transmission with an old yoke or, if none is available, cover it with a plastic bag secured by a rubber band.

  1. Unfasten the speedometer cable from the right side of the transmission.
  2.  
  3. Remove the clutch release cylinder assembly from the transmission and tie it aside, so that it is out of the way.
  4.  
  5. Unplug the back-up lamp switch connector.
  6.  
  7. Support the transmission with a jack.
  8.  
  9. Unfasten the engine rear mounts. (See ). Remove the rear crossmember.
  10.  

Be sure to support the engine so that total weight will not be on the front mounts. Be careful of oil pan damage.

  1. Unbolt the clutch housing from the engine and withdraw the transmission assembly.
  2.  
  3. Installation is performed in the reverse order of removal, but remember to perform the following during installation.
  4.  

Apply a light coating of multipurpose grease to the input shaft end, input shaft spline, clutch release bearing, and driveshaft end.

After installation, fill the transmission and the cooling system. Adjust the clutch.

Crown 2300

Perform the removal procedure as previously outlined for the Corona (1970-73) and Mark II 4-cylinder. In addition, perform the following steps:

  1. Working under the hood:
  2.  
    1. Disconnect the radiator hoses after draining the cooling system.
    2.  
    3. Remove the air cleaner assembly complete with hoses.
    4.  
    5. Detach the connecting rod from the accelerator linkage, before removing the torque rod.
    6.  

  3. With car jacked up and supported, perform the following:
  4.  
    1. Disconnect the starter wiring and remove the starter.
    2.  
    3. Remove the right-hand engine stone shield before disconnecting the exhaust pipe from the manifold.
    4.  
    5. Detach the parking brake operating lever from the intermediate lever. Remove the return spring and the intermediate lever from its support bracket. Unfasten the parking brake cable.
    6.  
    7. Jack up the front of the engine, once the jack has been removed from the transmission, to facilitate transmission removal.
    8.  


1974-82 Corona
  1. Disconnect the negative battery cable, then the positive battery-to-starter cable, complete with the fusible link.
  2.  
  3. Drain the coolant from the radiator into a suitable clean container for reuse. Unfasten the upper radiator hose.
  4.  
  5. Detach the accelerator rod and link at the firewall side.
  6.  
  7. Raise both ends of the car and support them with jackstands.
  8.  


CAUTION
Be sure that the car is securely supported.

  1. Working underneath the car, remove the exhaust pipe clamp and clutch release cylinder (Don't disconnect its hydraulic line, set the cylinder out of the way). Next, disconnect the back-up light switch lead and speedometer cable. Drain the transmission oil.
  2.  
  3. Remove the driveshaft from the transmission, after matchmarking it and the companion flange for assembly.
  4.  

To prevent oil from draining out of the transmission, cover the opening with a plastic bag secured with a rubber band.

  1. Place a block of wood on the lift pad of a jack to protect the transmission, and support the transmission with the jack.
  2.  
  3. Cover the back end of the valve cover with shop towels, remove the rear crossmember (see ) and lower the jack.
  4.  
  5. Unfasten the bolts which secure the shift lever, and withdraw the shift lever.
  6.  
  7. Remove the starter motor from the clutch housing.
  8.  
  9. Unfasten the bolts which secure the clutch housing to the engine block.
  10.  
  11. Move the transmission and jack rearward, until the input shaft has cleared the clutch cover. Remove the transmission from underneath the car.
  12.  
  13. Installation is performed in the reverse order of removal. Be sure to apply a thin coating of grease to the input shaft splines. The clutch housing-to-cylinder blockbolts should be tightened to 37-58 ft. lbs. Adjust the clutch and fill the transmission with API GL-4 SAE 90 gear oil (see the Capacities chart in ). Grease the shift lever spring seat and shift lever tip. Use the matchmarks to install the driveshaft.
  14.  

Cressida

Perform the removal procedures as outlined for the Corona. In addition, perform the following:

  1. Remove the accelerator connecting rod from the linkage.
  2.  
  3. With the car jacked up and supported:
  4.  
    1. Remove the left-hand, rear stone shield before removing the clutch release cylinder.
    2.  
    3. Remove the flywheel housing lower cover and its braces.
    4.  

  5. Installation is the reverse or removal.
  6.  

Use a clutch guide tool, during installation, to locate the clutch disc.

 
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