Vehicles Without Air Suspension
- Before adjusting wheel alignment, measure riding height. Measure riding height with vehicle on level surface and tires properly inflated. Bounce vehicle several times to allow suspension to settle. (Scheme 1)or (Scheme 2).
- Visually inspect vehicle for abnormal height difference from front to rear and from side to side. Remove heavy items from passenger and luggage compartments.
- Measure riding height. See «RIDING HEIGHT SPECIFICATIONS»(ref-62255-S23174233972001100400000) table. If riding height is not within specification, inspect suspension components. Repair or replace as necessary.
Scheme 1
Scheme 2
| Application | In. (mm) | ||
|---|---|---|---|
| ES300 | |||
| Front | 8.3 (211) | ||
| Rear | 10.2 (259) | ||
| 1997 GS300 | |||
| Front | 9.5 (241) | ||
| Rear | 11.1 (282) | ||
| 1998 GS300 & GS400 | |||
| With Tire Size P215/60R16 | |||
| Front | 9.6 (245) | ||
| Rear | 8.9 (226) | ||
| With Tire Size 225/55R16 | |||
| Front | 9.5 (241) | ||
| Rear | 8.7 (221) | ||
| With Tire Size 235/45ZR17 | |||
| Front | 9.4 (239) | ||
| Rear | 8.6 (218) | ||
| LS400 | |||
| With Air Suspension | |||
| Front | 9.4-10.2 (239-259) | ||
| Rear | 8.3-9.1 (212-232) | ||
| Without Air Suspension | |||
| Front | 10.4 (264) | ||
| Rear | 9.6 (243) | ||
| SC300 | |||
| Front | 7.6 (194) | ||
| Rear | 9.9 (252) | ||
| SC400 | |||
| Front | 7.6 (194) | ||
| Rear | 9.9 (252) | ||
RIDING HEIGHT SPECIFICATIONS
1997 LS400 With Air Suspension
- Set height control switch to NORM position. Bounce vehicle up and down several times to stabilize suspension. Push vehicle forward and backward to settle tires.
- Block wheels. Set transmission in Neutral. Release parking brake. Start engine. Set height control switch to HIGH position. After one minute, set height control switch to NORM position. Wait 50 seconds. Repeat step 2).
- Measure vehicle riding height. See «RIDING HEIGHT SPECIFICATIONS»(ref-62255-S23174233972001100400000) table. (Scheme 2) If riding height is not as specified, adjust vehicle riding height by rotating height control sensor link. (Scheme 3) NOTE: Rotating height control sensor link bolt one complete turn changes vehicle height by about.20" (5 mm).
- To adjust height control sensor link, loosen 2 lock nuts on height control sensor link. Rotate height control sensor link bolt to adjust length. Length limit adjustment for front height control sensor link is.04" (10 mm). Length limit adjustment for rear height control sensor link is.55" (14 mm). (Scheme 3)
- After adjustment, temporarily tighten lock nuts. Measure vehicle riding height. Readjust if necessary. Tighten lock nuts to specification. See «TORQUE SPECIFICATIONS»(ref-62255-S22062076482001100400000). Ensure ball joint and bracket are parallel when tightening lock nuts. (Scheme 3)
Scheme 3
1998 LS400 With Air Suspension
- Set height control switch to NORM position. Bounce vehicle up and down several times to stabilize suspension. Push vehicle forward and backward to settle tires.
- Block wheels. Set transmission in Neutral. Release parking brake. Start engine. Set height control switch to HIGH position. After one minute, set height control switch to NORM position. Wait 50 seconds. Repeat step 2).
- Measure vehicle riding height. See «RIDING HEIGHT SPECIFICATIONS»(ref-62255-S23174233972001100400000) table. (Scheme 2) If riding height is not as specified, go to next step for front riding height adjustment or go to step 6) for rear riding height adjustment.
- To adjust front height control sensor link, loosen 2 lock nuts on height control sensor link. Rotate height control sensor link bolt to adjust length. Length limit adjustment for front height control sensor link is.04" (10 mm). Length limit adjustment for rear height control sensor link is.55" (14 mm). (Scheme 3) NOTE: Rotating height control sensor link bolt one complete turn changes vehicle height by about.20" (5 mm).
- After adjustment, temporarily tighten lock nuts. Measure vehicle riding height. Readjust if necessary. Tighten lock nuts to specification. See «TORQUE SPECIFICATIONS»(ref-62255-S22062076482001100400000). Ensure ball joint and bracket are parallel when tightening lock nuts.
- To adjust rear height, loosen nut on rear height control sensor arm. Moving link arm approximately.04" (1.0 mm) changes vehicle ride height by.08" (2.0 mm). After adjustment, temporarily tighten lock nut. Measure vehicle riding height. Readjust if necessary. Tighten lock nut to specification. See «TORQUE SPECIFICATIONS»(ref-62255-S22062076482001100400000).
* PLEASE READ FIRST *
| WARNING | On LS400 with air suspension, air suspension system needs to be disabled before jacking or hoisting, or suspension could be damaged. See DISABLING AIR SUSPENSION SYSTEM (LS400). |
LS400
Turn ignition off whenever possible when jacking or hoisting up vehicle. If it is necessary to have ignition on when jacking or hoisting vehicle, connect a jumper wire between Data Link Connector No. 2 (DLC2) terminals E1 and Td. (Scheme 4)and (Scheme 5). Turn ignition switch to ON position and raise vehicle.
Scheme 4
Scheme 5
FLOOR JACK
Place floor jack on vehicle support points shown. (Scheme 6), (Scheme 7) or (Scheme 8).
Scheme 6
Scheme 7
Scheme 8
EMERGENCY JACKING
Place manufacturer-supplied jack under reinforced support points of sill, between front and rear wheels. Safety stands may also be placed at these points. (Scheme 6), (Scheme 7) or (Scheme 8).
HOIST
Place lift blocks under reinforced support points of sill, between front and rear wheels. (Scheme 6), (Scheme 7) or (Scheme 8).
Front Suspension (ES300)
- Inspect tires for wear and proper inflation. Inspect front wheel bearings for looseness. Measure wheel runout. Wheel runout should not exceed .04" (1.0 mm).
- Inspect front suspension components for looseness. Ensure front shock absorbers operate properly. Measure vehicle riding height. See «RIDING HEIGHT ADJUSTMENT»(ref-62255-S21817195412001100400000) .
- Remove front wheels. Remove speed sensor clamp. Remove 2 lower shock absorber nuts while leaving bolts in. Coat threads of nuts with engine oil. Temporarily install lower shock absorber nuts. Adjust camber by pushing or pulling lower side of shock absorber to obtain correct camber setting. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000) . Tighten lower shock absorber nuts to specification. See «TORQUE SPECIFICATIONS»(ref-62255-S22062076482001100400000) .
Note. On SC300 and SC400, front wheel camber and caster are adjusted together.
Front Suspension (GS300, GS400, SC300 & SC400)
Measure and record camber and caster. See WHEEL ALIGNMENT SPECIFICATIONS. If adjustment is necessary, loosen adjuster cam bolts. Rotate adjuster cams as necessary. (Scheme 9) Tighten adjuster cam bolts to specification. See TORQUE SPECIFICATIONS.
Front Suspension (LS400)
- Inspect tires for wear and proper inflation. Inspect front wheel bearings for looseness. Measure wheel runout. Wheel runout should not exceed .06" (1.4 mm).
- Inspect front suspension components for looseness. Ensure front shock absorbers operate properly. Measure vehicle riding height. See «RIDING HEIGHT ADJUSTMENT»(ref-62255-S21817195412001100400000) .
- Measure camber of each front wheel. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000) . If camber is not within specification, loosen camber adjusting cam nuts. Remove suspension crossmember brace for access if necessary. Turn camber adjusting cam to obtain proper camber adjustment. Tighten adjusting cam nuts to specification. See «TORQUE SPECIFICATIONS»(ref-62255-S22062076482001100400000) . Reinstall suspension crossmember brace.
Rear Suspension (ES300)
Inspect tires for wear and proper inflation. Measure camber of both rear wheels. See WHEEL ALIGNMENT SPECIFICATIONS . If camber is not within specification, inspect rear suspension components. Replace any components that are worn or damaged. Rear camber is not adjustable.
Note. On GS300 and GS400, rear wheel camber and toe-in are adjusted together.
Rear Suspension (GS300 & GS400)
- Inspect tires for wear and proper inflation. Ensure lengths of No. 1 and 2 lower suspension arms are equal by rotating adjuster cams (if necessary). (Scheme 10)
- Measure camber of each rear wheel. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000). If camber and/or toe-in are not within specification, loosen adjuster cam bolts. Adjust by rotating adjuster cams. Tighten adjuster cam bolts to specification after adjustment. See «TORQUE SPECIFICATIONS»(ref-62255-S22062076482001100400000).
Scheme 9
Scheme 10
Note. On SC300, SC400 and LS400, rear wheel camber and toe-in are adjusted together.
Rear Suspension (SC300, SC400, & LS400)
Measure and record camber and toe-in. See WHEEL ALIGNMENT SPECIFICATIONS. Ensure lengths of No. 1 and 2 lower suspension arms are equal by rotating adjuster cams (if necessary). (Scheme 11) If camber adjustment is still necessary, loosen adjuster cam nuts. Rotate adjuster cams as necessary. Tighten adjuster cam nuts to specification. See TORQUE SPECIFICATIONS.
Scheme 11
Front Suspension (ES300, GS300 & GS400)
- Ensure riding height, camber, and steering axis inclination are correct. See «RIDING HEIGHT ADJUSTMENT»(ref-62255-S21817195412001100400000) . Also see CAMBER ADJUSTMENT and STEERING AXIS INCLINATION under «WHEEL ALIGNMENT PROCEDURES»(ref-62255-S32491716422001100400000) .
- Measure caster of each front wheel. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000) . If caster is not within specification, inspect related front suspension components. Replace any components that are worn or damaged. Front caster is not adjustable.
- Ensure riding height, camber, and steering axis inclination are correct. See «RIDING HEIGHT ADJUSTMENT»(ref-62255-S21817195412001100400000) . Also see CAMBER ADJUSTMENT and STEERING AXIS INCLINATION under «WHEEL ALIGNMENT PROCEDURES»(ref-62255-S32491716422001100400000) .
- Measure caster of each front wheel. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000) . If caster is not within specification, loosen caster adjusting cam nut. Turn caster adjusting cam to obtain correct caster reading. Tighten caster adjusting cam nut to specification. See «TORQUE SPECIFICATIONS»(ref-62255-S22062076482001100400000) .
Front Suspension (SC300 & SC400)
Caster is adjusted together with camber. See CAMBER ADJUSTMENT under WHEEL ALIGNMENT PROCEDURES.
Front Suspension
Ensure riding height, caster and camber are correct. See RIDING HEIGHT ADJUSTMENT . Also see CASTER ADJUSTMENT and CAMBER ADJUSTMENT under WHEEL ALIGNMENT PROCEDURES . If riding height, caster and camber are correct and steering axis inclination is still not as specified, recheck front knuckle for being bent and inspect front wheel bearings for looseness.
Front Suspension (ES300, GS300, GS400, SC300 & SC400)
- Ensure riding height, camber, steering axis inclination, and caster are correct. See «RIDING HEIGHT ADJUSTMENT»(ref-62255-S21817195412001100400000) . Also see CAMBER ADJUSTMENT, STEERING AXIS INCLINATION and CASTER ADJUSTMENT under «WHEEL ALIGNMENT PROCEDURES»(ref-62255-S32491716422001100400000) . Ensure front wheels are in straight-ahead position.
- Bounce both ends of vehicle several times to settle suspension. Measure toe-in. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000) . If necessary, adjust toe-in by changing length of tie rods. Length of tie rods must be equal within .06" (1.5 mm) after adjustment.
- Ensure riding height, camber, steering axis inclination, and caster are correct. See «RIDING HEIGHT ADJUSTMENT»(ref-62255-S21817195412001100400000) . Also see CAMBER ADJUSTMENT, STEERING AXIS INCLINATION and CASTER ADJUSTMENT under «WHEEL ALIGNMENT PROCEDURES»(ref-62255-S32491716422001100400000) . Ensure front wheels are in straight-ahead position. Bounce both ends of vehicle several times to settle suspension.
- Measure toe-in. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000) . If necessary, adjust toe-in by changing length of tie rods. Length of tie rods must be equal within .04" (1.0 mm) after adjustment.
- Ensure rear camber is correct. See «CAMBER ADJUSTMENT»(ref-62255-S03738779862001100400000) under «WHEEL ALIGNMENT PROCEDURES»(ref-62255-S32491716422001100400000). Bounce both ends of vehicle several times to settle suspension. Adjust lengths of adjuster tubes so both are equal within.04" (1.0 mm). (Scheme 12)
- Measure toe-in. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000). If necessary, adjust length of each adjuster tube equally to adjust toe-in.
Scheme 12
Rear Suspension (GS300)
Ensure rear camber is correct. See CAMBER ADJUSTMENT under WHEEL ALIGNMENT PROCEDURES. Bounce both ends of vehicle several times to settle suspension. Measure toe-in. See WHEEL ALIGNMENT SPECIFICATIONS . If toe-in is not within specification, loosen adjuster cam bolts. Adjust toe-in by turning adjuster cams. Tighten adjuster cam bolts to specification. See TORQUE SPECIFICATIONS .
Rear Suspension (GS300, GS400, LS400, SC300 & SC400)
Toe-in is adjusted together with camber. See CAMBER ADJUSTMENT under WHEEL ALIGNMENT PROCEDURES.
TOE-OUT ON TURNS
- Ensure steering wheel is in straight-ahead position. Raise front of vehicle. Place turning radius gauges beneath front wheels. Lower front of vehicle.
- Rotate steering wheel fully right and left, observing turning radius on both wheels. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-62255-S11411311632001100400000) . If toe-out on turns is not within specification, inspect related front suspension components. Replace any components that are worn or damaged.
ES300
| Application | Preferred | Range | |
|---|---|---|---|
| Camber (1) | |||
| Front | 0.62 | 1.37 To 0.13 | |
| Rear | 0.80 | 1.55 To -0.05 | |
| Caster (1) | 2.3 | 1.55 To 3.05 | |
| Steering Axis Inclination (1) | 13.07 | N/A | |
| Toe-In (2) | |||
| Front | 0 (0) | 0.08 To 0.08 (-2.0 To 2.0) | |
| Rear | 0.16 (4.0) | 0.08 To 0.24 (2.0 To 6.0) | |
| Toe-In (1) | |||
| Front | 0 | 0.20 To 0.20 | |
| Rear | 0.40 | 0.20 To 0.60 | |
| Toe-Out On Turns (1) | |||
| Inner | 35.78 | N/A | |
| Outer | 31.42 | N/A | |
| (1) Measurement in degrees. (2) Measurement in inches (mm). | |||
| (1) | Measurement in degrees. |
| (2) | Measurement in inches (mm). |
WHEEL ALIGNMENT SPECIFICATIONS (ES300)
GS300 & GS400
| Application | Preferred | Range | ||
|---|---|---|---|---|
| 1997 GS300 | ||||
| Camber (1) | ||||
| Front | 0.25 | 1.00 To 0.50 | ||
| Rear | 1.00 | 1.50 To - 0.50 | ||
| Caster (1) | 7.08 | 6.33 To 7.83 | ||
| Steering Axis Inclination (1) | 8.83 | N/A | ||
| Toe-In (2) | ||||
| Front | 0.04 (1.0) | 0.04 To 0.12 (-1.0 To 3.0) | ||
| Rear | 0.16 (4.0) | 0.12 To 0.20 (3.0 To 5.0) | ||
| Toe-In (1) | ||||
| Front | 0.10 | 0.01 To 0.30 | ||
| Rear | 0.40 | 0.30 To 0.50 | ||
| Toe-Out On Turns (1) | ||||
| Inner | 38.75 | N/A | ||
| Outer | 32.00 | N/A | ||
| 1998 GS300 & GS400 | ||||
| Camber (1) | ||||
| Front | 0.27 | 0.77 To 0.23 | ||
| Rear | 0.78 | 1.28 To - 0.28 | ||
| Caster (1) | 7.55 | 7.05 To 8.05 | ||
| Steering Axis Inclination (1) | 8.87 | N/A | ||
| Toe-In (2) | ||||
| Front | 0.06 (1.5) | 0.02 To 0.14 (-.50 To 3.50) | ||
| Rear | 0.06 (1.5) | 0.02 To 0.14 (-0.50 To 3.50) | ||
| Toe-In (1) | ||||
| Front | 0.15 | 0.05 To 0.35 | ||
| Rear | 0.13 | 0.07 To 0.33 | ||
| Toe-Out On Turns (1) | ||||
| Inner | 38.85 | N/A | ||
| Outer | 32.08 | N/A | ||
| (1) Measurement in degrees. (2) Measurement in inches (mm). | ||||
| (1) | Measurement in degrees. |
| (2) | Measurement in inches (mm). |
WHEEL ALIGNMENT SPECIFICATIONS (GS300 & GS400)
| Application | Preferred | Range | ||
|---|---|---|---|---|
| With Air Suspension | ||||
| Camber (1) | ||||
| Front | 0.08 | 0.42 To 0.58 | ||
| Rear | 1.42 | 2.17 To -0.67 | ||
| Caster (1) | 7.42 | 6.67 To 8.17 | ||
| Steering Axis Inclination (1) | 8.67 | N/A | ||
| Toe-In (2) | ||||
| Front | 0.04 (1.0) | 0.04 To 0.12 (-1.0 To 3.0) | ||
| Rear | 0.12 (3.0) | 0.04 To 0.20 (1.0 To 5.0) | ||
| Toe-In (1) | ||||
| Front | 0.10 | 0.10 To 0.30 | ||
| Rear | 0.30 | 0.10 To 0.50 | ||
| Toe-Out On Turns (1) | ||||
| Inner | 42 | N/A | ||
| Outer | 34 | N/A | ||
| Without Air Suspension | ||||
| Camber (1) | ||||
| Front | 0.33 | 0.42 To 1.08 | ||
| Rear | 0.83 | 1.58 To -0.08 | ||
| Caster (1) | 7 | .6.25 To 7.75 | ||
| Steering Axis Inclination (1) | 8.42 | N/A | ||
| Toe-In (2) | ||||
| Front | 0.12 (3.0) | 0.04 To 0.20 (1.0 To 5.0) | ||
| Rear | 0.08 (2.0) | 0 To .16 (0 To 4.0) | ||
| Toe-In (1) | ||||
| Front | 0.30 | 0.10 To 0.50 | ||
| Rear | 0.20 | 0 To 0.40 | ||
| Toe-Out On Turns (1) | ||||
| Inner | 42 | N/A | ||
| Outer | 34.33 | N/A | ||
| (1) Measurement in degrees. (2) Measurement in inches (mm). | ||||
| (1) | Measurement in degrees. |
| (2) | Measurement in inches (mm). |
WHEEL ALIGNMENT SPECIFICATIONS (LS400)
SC300 & SC400
| Application | Preferred | Range | |
|---|---|---|---|
| Camber (1) | |||
| Front | 0.03 | 0.72 To 0.78 | |
| Rear | 1.08 | 1.83 To -0.33 | |
| Caster (1) | 3.02 | 2.27 To 3.77 | |
| Steering Axis Inclination (1) | 9.03 | N/A | |
| Toe-In (2) | |||
| Front | 0.04 (1.0) | 0.04 To 0.12 (-1.0 To 3.0) | |
| Rear | 0.2 (5.0) | 0.08 To 0.24 (2.0 To 6.0) | |
| Toe-In (1) | |||
| Front | 0.10 | 0.10 To 0.30 | |
| Rear | 0.50 | 0.20 To 0.60 | |
| Toe-Out On Turns (1) | |||
| Inner | 37.07 | N/A | |
| Outer | 32.38 | N/A | |
| (1) Measurement in degrees. (2) Measurement in inches (mm). | |||
| (1) | Measurement in degrees. |
| (2) | Measurement in inches (mm). |
WHEEL ALIGNMENT SPECIFICATIONS (SC300 & SC400)