Radial Tire Lead/Pull Correction - GMC chevrolet camaro 2000 Service Manual

)
Suspension
Important:
. • Replacement wheels must be equivalent to the
original equipment wheels in the following ways:
- Load capacity
- Wheel diameter
- Rim width
- Wheel offset
- Mounting configuration
Tires and Wheels 3-63
• A wheel of incorrect size or type may effect the
following conditions:
- Wheel and hub-bearing life
- Brake cooling
- Speedometer/odometer calibration
- Vehicle ground clearance
- Tire clearance to the body and the chassis
4. Replace the wheel if the wheel is bent. Replace
the wheel if the wheel/nut boss area is cracked.
Identify steel wheels with a 2 or 3 letter code stamped
into the rim near the valve stem. Aluminum wheels
have the code, the part number, and the manufacturer
identification cast into the back side of the. wheel.
Radial Tire Lead/Pull Correction
Step Action Value(s) Yes No
DEFINITION: Lead/pull is the deviation ofthe vehicle from a straight path on a level road with no pressure on the steering
wheeL Lead is usually caused by the following conditions:
, • Off center belt
• Uneven brake assemblies
• Improper tire and wheel alignment In the front tires (rear tires will not cause lead)
Tir~. construction. can be a cause of lead i.n a vehicle. An example of this is placement of the belt. Off center belts on radial
tires can cause the .tire to de\/elop a side force while rolling straight down the road, and the tire will tend to roll like a cone.
Important: Use the lead/pull correction table in· order to verify that improper tire and wheel alignment is not mistaken for
tire lead.
Inspect and repair/replace tire/wheel assemblies .for:
• Correct tire pressure.
• Excessive/uneven tire wear.
1 • Co.rrect tire size.
- -
• Excessive radial/lateral wheel runout.
• Out of balance.
Is action complete? Go to Step2
Inspect and repair front and rear suspensions for:
• Damage.
2
• Excessive wear.
- -
• Loose Components.
• Excessive wheel bearing play.
Is action complete? Go to Step 3
Inspect and repair power steering gear and pump for:
•,Damage.
3 •. Excessive wear.
-
-
• Variable Effort steering for DTCs.
· Is action complete? Go to Step 4
4
1. Cross-switch front tire/wheel assemblies.
-
2. Road test vehicle. Does vehicle .still lead/pull? Go to Step 5
System OK
5
Does the vehicle lead/pull in the opposite direction?
-
Go to Measuring
Go to Step 6 Wheel Alignment
1. Cross-switch left front tire/wheel assembly with left
6
rear tire/wheel assembly.
2. Road test the vehicle.
-
Does vehicle still lead/pull? Go to Step 7 Go to Step 8
1. Cross-switch right front tire/wheel assembly with right
7
rear tire/wheel assembly.
2. Road test the vehicle.
-
Go to Measuring
Does vehicle still lead/pull? Wheel Alignment Go to Step 9