Lexus IS250 IS220d GSE20 ALE20 - A960E AUTOMATIC TRANSMISSION

EXTENSION HOUSING REAR OIL SEAL - INSTALLATION

1. INSTALL AUTOMATIC TRANSMISSION EXTENSION HOUSING OIL SEAL
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Coat the lip of a new oil seal with MP grease.

Using SST and a hammer, drive in a new oil seal.

  • SST
  • 09325-40010
  • Oil seal drive in depth:
  • 5.4 to 5.8 mm (0.213 to 0.228 in.)
  • NOTICE:
Keep the lip free from foreign matter.
Do not tap the oil seal at an angle.
2. INSTALL PROPELLER SHAFT WITH CENTER BEARING ASSEMBLY
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Remove the SST from the transmission.

  • SST
  • 09325-40010

Insert the yoke of the intermediate shaft into the transmission.

  • HINT:
  • Be careful not to damage the oil seal.
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install the 2 center support bearing washers and center support bearing. (for automatic transmission)

Install the 2 center support bearing washers, center support bearing and 2 center support bearing dampers. (for manual transmission)

Temporarily tighten the 2 bolts.

Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Align the matchmarks on the propeller shaft flange and differential companion flange, and connect the shaft with the 4 bolts, washers and nuts.

  • Torque:
  • 74 N*m{ 750 kgf*cm, 54 ft.*lbf}
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Adjust the dimension between the edge surface of the center support bearing and the edge surface of the cushion to 11.5 to 13.5 mm (0.4528 to 0.5315 in.) as shown in illustration.

Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Check that the center line of the bracket is perpendicular to the shaft axial direction.

Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Tighten the 2 bolts.

  • Torque:
  • 49 N*m{ 500 kgf*cm, 36 ft.*lbf}
3. REMOVE OUTSIDE AIR GUIDE PLATE RH
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install the air guide plate outside RH with the 4 nuts.

  • Torque:
  • 5.4 N*m{ 55 kgf*cm, 48 in.*lbf}
4. INSTALL FRONT FLOOR NO. 1 HEAT INSULATOR
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install the No. 1 heat insulator with the 4 nuts.

  • Torque:
  • 5.4 N*m{ 55 kgf*cm, 48 in.*lbf}
5. INSTALL FRONT EXHAUST PIPE ASSEMBLY
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Using a vernier caliper, measure the free length of the compression springs.

  • Minimum length:
  • 38.5 mm (1.516 in.)

If the free length is less than the minimum, replace the compression spring.


Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install a new gasket to the rear end of the front exhaust pipe.

  • NOTICE:
Be careful with the installation direction of the gasket.
Do not reuse the gasket.
To ensure a proper seal, do not use the tail exhaust pipe to force the gasket onto the front exhaust pipe.
  • HINT:
  • Using a plastic hammer, uniformly strike the gasket so that the gasket and front exhaust pipe are properly fit.

Install 3 new gaskets and front exhaust pipe assembly.

  • CAUTION:
  • Do not reuse the gaskets.
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts and 2 compression springs.

  • Torque:
  • 43 N*m{ 438 kgf*cm, 32 ft.*lbf}
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install 4 new nuts and 4 bolts.

  • Torque:
  • 62 N*m{ 632 kgf*cm, 46 ft.*lbf}
  • NOTICE:
  • Do not reuse the nuts.
6. INSTALL OXYGEN SENSOR
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Before installing the heated oxygen sensors, twist the sensor wires counterclockwise 4 turns.

Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Using the SST, install the heated oxygen sensors to the front exhaust pipe.

  • SST
  • 09224-00010
  • Torque:
  • 44 N*m{ 449 kgf*cm, 33 ft.*lbf}

After installing the sensors, check that the sensor wires are not twisted.


If the sensor wires are twisted, reinstall them.

Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install the grommets of the heated oxygen sensors.

7. INSTALL FRONT CENTER FLOOR BRACE
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install the front center floor brace with the 4 bolts.

  • Torque:
  • 7.4 N*m{ 75 kgf*cm, 65 in.*lbf}
8. INSTALL REAR NO. 1 FLOOR PANEL BRACE
Extension Housing Rear Oil Seal - Installation. A960E AUTOMATIC TRANSMISSION. Lexus IS250 IS220d GSE20 ALE20

Install the rear No. 1 floor panel brace with the 4 bolts.

  • Torque:
  • 19 N*m{ 194 kgf*cm, 14 ft.*lbf}
9. ADD AUTOMATIC TRANSMISSION FLUID

10. CHECK FOR EXHAUST GAS LEAKS

If exhaust gas is leaking, tighten the related parts to stop the leak. Replace damaged parts as necessary.


11. INSTALL NO. 2 ENGINE UNDER COVER