1991 Chevrolet APVFACTORY OEM SERVICE PROCEDURE

Wheel Alignment Specifications

WHEEL ALIGNMENT SPECIFICATIONS (ASTRO & SAFARI)

Application Fraction Decimal
Camber (Degrees) (1) 13/16 ± 1/2 (0.8 ± 0.5)
Caster (Degrees) (1) 2 11/16 ± 1/2 (2.7 ± 0.5)
Toe-in (Degrees) 3/16 ± 1/8 (.19 ± .13)
Toe-in (Inches) 3/32 ± 1/16 (.09 ± .06)
(1) Left and right adjustments must be within 0.5 degree of each other.
WHEEL ALIGNMENT SPECIFICATIONS ("C" SERIES)

Application Fraction Decimal
Camber (Degrees) (1) 1/2 ± 1/2 (0.5 ± 0.5)
Caster (Degrees) (1) 3 3/4 ± 1 (3.75 ± 1.0)
Toe-in (Degrees) (2) 7/32 ± 13/64 (.24 ± 0.2)
(1) Left and right adjustments must be within 0.5 degree of each other.
(2) Toe-in on left and right side must be set equally per wheel. Steering wheel must be held in straight-ahead position within plus or minus 5.0 degrees.
WHEEL ALIGNMENT SPECIFICATIONS ("K" SERIES)

Application Fraction Decimal
Camber (Degrees) (1)
K15/25 21/32 ± 1/2 (.65 ± 0.5)
K35 1/2 ± 1/2 (0.5 ± 0.5)
Caster (Degrees) (1) 3 ± 1 (3.0 ± 1.0)
Toe-in (Degrees) (2) 7/32 ± 13/64 (.24 ± 0.2)
(1) Left and right adjustments must be within 0.5 degree of each other.
(2) Toe-in on left and right side must be set equally per wheel. Steering wheel must be held in straight-ahead position within plus or minus 5.0 degrees.
WHEEL ALIGNMENT SPECIFICATIONS ("G", "P", "R" & "V" SERIES)

Application Fraction Decimal
Camber (Degrees)
G15/25 1/2 ± 1/2 (0.5 ± 0.5)
G35 1/4 ± 1/2 (.25 ± 0.5)
P35 (w/ FS3) (1)(2) 1 1/2 ± 1/2 (1.5 ± 0.5)
P35 (w/out FS3) (1) 3/32 ± 1/2 (0.1 ± 0.5)
P35 (w/ JB8 or JF9) (1) 3/32 ± 1/2 (0.1 ± 0.5)
R15 11/16 ± 1/2 (0.7 ± 0.5)
R25/35 1/4 ± 1/2 (.25 ± 0.5)
"V" Series (2) 1 ± 1/2 (1.0 ± 0.5)
Caster (Degrees) (3) (3)
Toe-in
"G" Series (Degrees) 0 ± 3/16 (0.0 ± .19)
P35 (With FS3) (1)
Degrees 1/16 ± 1/8 (.07 ± .12)
Inches 1/8 ± 1/16 (.12 ± .06)
P35 (Without FS3) (1)
Degrees 3/8 ± 1/8 (.38 ± .13)
Inches 1/4 ± 1/16 (.18 ± .06)
P35 (With JB8 or JF9) (1)
Degrees 1/2 ± 1/8 (0.5 ± .12)
Inches 1/4 ± 1/16 (.25 ± .06)
"R" Series (Degrees) 3/16 ± 1/8 (.19 ± .13)
"R" Series (Inches) 3/32 ± 1/16 (.09 ± .06)
"V" Series (Degrees) 1/8 ± 1/8 (.13 ± .13)
"V" Series (Inches) 1/16 ± 1/16 (.06 ± .06)
(1) See Fig 1 for explanation of Regular Production Option (RPO) codes.
(2) For reference only. No means of adjustment is provided.
(3) See Fig 1 & 18 for caster specifications.
WHEEL ALIGNMENT SPECIFICATIONS (LUMINA APV, SILHOUETTE & TRANS SPORT)

Application Fraction Decimal
Camber (Degrees) (1) 0 ± 1/2 (0.0 ± 0.5)
Caster (Degrees) 1 11/16 ± 1 (1.7 ± 1.0)
Toe-in (Degrees) 0 ± 3/16 (0.0 ± .19)
(1) Left and right adjustments must be within .07 degree of each other.
WHEEL ALIGNMENT SPECIFICATIONS ("S" & "T" SERIES)

Application Fraction Decimal
Camber (Degrees) (1) 13/16 ± 1/2 (0.8 ± 0.5)
Caster (Degrees) (1) 2 ± 1/2 (2.0 ± 0.5)
Toe-in (Degrees) (2) 5/16 ± 3/32 (.31 ± .09)
(1) Left and right adjustments must be within 0.5 degree of each other.
(2) Toe in left and right side to be set separately per wheel and steering wheel must be held in straight ahead position within ± 5.0 degree.
WHEEL ALIGNMENT SPECIFICATIONS (SYCLONE)

Application Fraction Decimal
Camber (Degrees) (1) 3 1/2 ± 1/2 (3.5 ± 0.5)
Caster (Degrees) (1) 0 ± 1/2 (0.0 ± 0.5)
Toe-in (Degrees) (2) 5/32 ± 2/32 (.16 ± .06)
(1) Left and right adjustments must be within 0.5 degree of each other.
(2) Toe in left and right side to be set separately per wheel and steering wheel must be held in straight ahead position within ± 5.0 degree.
NOTE: For Measurement "BC", see Figure.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.