Servicing - A/t: Other Lexus LS III

TRANSAXLE/TRANSMISSION

Note. Not all transaxle/transmission identification plate information was supplied by the manufacturer.

Scheme 148

Scheme 149

Differential (LX470 & RX300)

Remove filler plug and ensure fluid level is at the bottom of the opening. (Scheme 150)or (Scheme 151). Add fluid as necessary. Install filler plug and tighten to specification. See TORQUE SPECIFICATIONS.

Scheme 150

Scheme 151

Transaxle & Transmission

1. Check transmission fluid with engine and transmission at 158-176°F (70-80°C). Park vehicle on a level surface and set parking brake.
2. With engine idling and parking brake engaged, move shift lever from Park to Low and return to Park. Remove and clean dipstick. Insert dipstick fully into oil filler tube. Remove dipstick and verify fluid level is in HOT range on dipstick. Add fluid as necessary.

Transfer Case

Remove the transfer case protector plate. Remove filler plug and ensure fluid level is at the bottom of the opening. (Scheme 152) Add fluid as necessary. Install filler plug and tighten to specification. See TORQUE SPECIFICATIONS. Install protector plate.

Scheme 152

LX470 models use type Dexron-II or Dexron-III ATF. All other models use Lexus/Toyota Type T-IV ATF.

Transfer case uses SAE 75-90 APL GL-5 gear oil.

Front Differential

Raise and support vehicle. Remove drain plug and drain fluid. (Scheme 153) Install drain plug and tighten to specification. Remove filler plug and fill with approved fluid to bottom of filler plug opening. Tighten filler plug to specification. See TORQUE SPECIFICATIONS.

Scheme 153

Transmission (U-140E, U-140F & U-150E)

1. Remove drain plug to drain fluid. If transmission oil filter is to be changed, remove oil pan. (Scheme 154) Remove oil filter and seal.
2. Clean transmission oil pan. Remove and clean the magnet in the pan of all metal particles. Install oil filter and seal. Install NEW pan gasket. (Scheme 155) Install transmission oil pan. Tighten bolts to specification. Install drain plug and tighten to specification. See «TORQUE SPECIFICATIONS»(ref-142404-S07658543432002080100000). With engine off, add new fluid through oil filler tube.
3. Start engine and move gearshift lever through all positions. Place gearshift lever back into Park. Check fluid level. Add fluid to bring level up to COOL mark on dipstick.
4. Recheck fluid level when engine and transmission reaches operating temperature of 158-176°F (70-80°C). Add fluid up to HOT mark on dipstick. See «FLUID CAPACITIES»(ref-142404-S23742841292002080100000).

Scheme 154

Scheme 155

Transmission (A-343E & A-650E)

Note. When installing oil pan, replace the one bolt indicated by the letter "A". (Scheme 159)

1. Remove drain plug to drain fluid. (Scheme 159) If transmission oil filter is to be changed, remove oil pan. To remove oil pan, remove all 19 bolts, and install gasket cutter in space between pan and transmission body. Carefully cut old sealer around entire surface of pan. (Scheme 156) Remove oil filter and seal.
2. Clean transmission oil pan. Remove and clean the magnet in the pan of all metal particles. Install oil filter and seal. (Scheme 157) Install a bead of FIPG. Part No. 08826-00090, (Three Bond 1281) or equivalent to oil pan. (Scheme 158) Reinstall transmission oil pan. Replace the one bolt "A" only. (Scheme 159) Tighten bolts to specification. Install drain plug and tighten to specification. See «TORQUE SPECIFICATIONS»(ref-142404-S07658543432002080100000). With engine off, add new fluid through oil filler tube.
3. Start engine and move gearshift lever through all positions. Place gearshift lever back into Park. Check fluid level. Add fluid to bring level up to COOL mark on dipstick.
4. Recheck fluid level when engine and transmission reaches operating temperature of 158-176°F (70-80°C). Add fluid up to HOT mark on dipstick. See «FLUID CAPACITIES»(ref-142404-S23742841292002080100000).

Scheme 156

Scheme 157

Scheme 158

Scheme 159

Raise and support vehicle. Remove the transfer case protector plate. Remove drain plug and drain fluid. Install drain plug and tighten to specification. (Scheme 152) Remove filler plug and fill to specification. See FLUID CAPACITIES Install protector plate.

ON-VEHICLE REPAIRS

Various components may be serviced without transmission removal, depending on application. For servicing of these components, see appropriate component under ADJUSTMENTS and/or REMOVAL & INSTALLATION . For additional information on testing electrical components, see appropriate DIAGNOSIS article.

CONTROL SHAFT LEVER

Loosen nut on control rod. (Scheme 160) Push control rod fully rearward. Return transmission control shaft 2 notches to Neutral position. Place gearshift lever in Neutral. Hold gearshift lever lightly toward Reverse position, and tighten control rod nut to 115 INCH lbs. (13 N.m). Start engine and ensure adjustment is correct.

Scheme 160

Scheme 161

PARK/NEUTRAL POSITION SWITCH

If vehicle starts in positions other than Neutral and Park, adjust PNP switch. Loosen PNP switch bolt and set shift lever in "N" position. Align groove and neutral base line on PNP switch. (Scheme 162)or (Scheme 163). Hold switch in position and tighten bolt to 48 INCH lbs. (5.4 N.m) on ES300, RX300 and SC430, or 115 INCH lbs. (13 N.m) on all other models.

Scheme 162

Scheme 163

SHIFT CONTROL CABLE

Loosen swivel nut on transmission shift lever linkage under vehicle. Rotate shift lever on transmission fully to rear. Return lever 2 notches to the Neutral position. Place gearshift lever in the Neutral position. With gearshift lever in the Neutral position, lightly hold lever toward the Reverse position, and tighten swivel nut on transmission shift lever. (Scheme 164)

Scheme 164