Toyota Cressida and Van 1983-1990

Extension Housing Oil Seal

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REMOVAL & INSTALLATION



W-58 Transmission


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Fig. Fig. 1 The manual transmission rear oil seal is located in the tail of the extension housing-Cressida

  1. Raise the vehicle and safely support.
  2.  
  3. Matchmark the driveshaft flange to the companion flange on the differential. Remove the nuts and bolts.
  4.  
  5. Position a suitable drain pan under the transmission where the driveshaft enters the extension housing.
  6.  
  7. Pull the driveshaft yoke from the transmission.
  8.  
  9. Remove the dust deflector. Using a suitable prying tool, remove the seal.
  10.  

To install:

  1. Install the new seal and the dust deflector.
  2.  
  3. Install the driveshaft yoke to the extension housing.
  4.  
  5. Install the rear flange to the differential companion flange aligning the matchmarks. Torque the nuts to 54 ft. lbs. (74 Nm).
  6.  
  7. Refill the transmission with the proper lubricant.
  8.  

G-53 Transmission
2WD MODELS


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Fig. Fig. 2 The manual transmission rear oil seal is located in the tail of the extension housing-2WD Van

  1. Raise and safely support the vehicle.
  2.  
  3. Matchmark the driveshaft flange-to-differential flange. Remove the nuts and bolts.
  4.  
  5. Remove the center bearing support-to-chassis bolts.
  6.  
  7. Position a drain pan under the extension housing and pull the driveshaft from the extension housing.
  8.  
  9. Remove the dust deflector. Using a prybar, pry the seal from the end of the extension housing.
  10.  

To install:

  1. Using a seal driver tool, drive a new seal into the extension housing. Install the dust deflector.
  2.  
  3. Install the driveshaft yoke-to-extension housing.
  4.  
  5. Align the center bearing support-to-chassis and loosely install the bolts.
  6.  
  7. Align the driveshaft flange-to-differential flange matchmarks and tighten the nuts/bolts to 54 ft. lbs. (74 Nm).
  8.  

Before torquing the center support bearing bolts, adjust the bearing bracket so it is at a right angle to the driveshaft. Also, make sure the center line of the center bearing is adjusted to the center line of the bracket when the vehicle is in a no-load condition.

  1. Tighten the center support bearing bolts to 27 ft. lbs. (36 Nm).
  2.  
  3. Refill the transmission with the proper lubricant.
  4.  

4WD MODELS-REAR


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Fig. Fig. 3 Extension housing seal front and rear locations on the 4WD Van models

  1. Raise and safely support the vehicle.
  2.  
  3. Matchmark the rear driveshaft flange-to-rear differential flange and the rear driveshaft flange-to-transfer case flange. Remove the nuts/bolts.
  4.  
  5. Remove the center bearing support-to-chassis bolts and the driveshaft from the vehicle.
  6.  
  7. Position a drain pan under the transfer case.
  8.  
  9. Remove the rear companion flange by performing the following procedures:
  10.  
    1. Using a hammer and a chisel, loosen the staked part of the companion flange nut.
    2.  
    3. Using a spanner wrench to hold the companion flange, remove the companion flange-to-output shaft nut.
    4.  
    5. Remove the companion flange.
    6.  

  11. Using a seal puller tool, pull the oil seal from the rear of the transfer case.
  12.  

To install:

  1. Using a seal driver tool, drive a new seal into the transfer case.
  2.  
  3. Install the companion flange onto the output shaft.
  4.  
  5. Using a spanner wrench to hold the companion flange, install the nut and tighten it to 90 ft. lbs. (123 Nm). Stake the companion flange nut.
  6.  
  7. Align the center bearing support-to-chassis and loosely install the bolts.
  8.  
  9. Align the rear driveshaft flange-to-rear differential flange and the front driveshaft flange-to-companion flange matchmarks. Install the flange bolts and tighten the nuts/bolts to 54 ft. lbs. (74 Nm).
  10.  

Before torquing the center support bearing bolts, adjust the bearing bracket so it is at a right angle to the driveshaft. Also, make sure the center line of the center bearing is adjusted to the center line of the bracket when the vehicle is in a no-load condition.

  1. Tighten the center support bearing bolts to 27 ft. lbs. (36 Nm).
  2.  
  3. Refill the transmission with the proper lubricant.
  4.  

4WD MODELS-FRONT
  1. Raise and safely support the vehicle. Remove the dust covers from the front of the transfer case.
  2.  
  3. Matchmark the front driveshaft flange-to-front differential flange and the driveshaft-to-transfer case flange.
  4.  
  5. Remove the nuts/bolts and the driveshaft from the vehicle.
  6.  
  7. Position a drain pan under the transfer case.
  8.  
  9. Remove the front transfer case flange by performing the following procedures:
  10.  
    1. Using a hammer and a chisel, loosen the staked part of the companion flange nut.
    2.  
    3. Using a spanner wrench to hold the companion flange, remove the companion flange-to-output shaft nut.
    4.  
    5. Remove the companion flange.
    6.  

  11. Using a seal puller tool, pull the oil seal from the rear of the transfer case.
  12.  

To install:

  1. Using a seal driver tool, drive a new seal into the transfer case.
  2.  
  3. Install the companion flange onto the output shaft.
  4.  
  5. Using a spanner wrench to hold the companion flange, install the nut and tighten it to 90 ft. lbs. (123 Nm). Stake the companion flange nut.
  6.  
  7. Align the front driveshaft flange-to-front differential flange and the front driveshaft flange-to-companion flange matchmarks. Install the flange bolts and tighten the nuts/bolts to 54 ft. lbs. (74 Nm).
  8.  
  9. Install the dust covers. Refill the transmission with the proper lubricant.
  10.  

 
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