Home/GMC/Acadia/GMC Acadia I (2010-2012)/Repair manual/Suspension Front/Suspension General Diagnosis: Specifications
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Suspension General Diagnosis: Specifications GMC Acadia I

Trim Height Specifications

ModelRPO CodeTire SizeCurb
D Height - Rear Suspension
R14526QLWP255/65R1882.0
QCWP255/60R1982.0
V14526QLWP255/65R1882.0
QCWP255/60R1982.0
Z Height - Front Suspension
R14526QLWP255/65R1857.0
QCWP255/60R1957.0
V14526QLWP255/65R1857.0
QCWP255/60R1957.0
IMPORTANTThe following steps must be completed before using the symptom tables.

Review the system description and operation in order to familiarize yourself with the system functions. Refer to the appropriate description and operation

  1. «Front Suspension Description and Operation»(ref-365268-S27851500092010070600000)
  2. «Rear Suspension Description and Operation»(ref-365265-S15707035032010070600000)
  3. «General Description»(ref-365240-S36271662132010070600000)

Torque Steer

StepActionYesNo
DEFINITION: On a dry, smooth, flat road, the vehicle has a left or right steering force only during acceleration.
1Did you review the General Description and perform the necessary inspections?Go to Step 2Go to Symptoms - Suspension General Diagnosis
2Drive the vehicle on a straight, smooth, flat road. Press the accelerator and determine if any additional steering input is required to maintain a straight ahead direction. Repeat this test with the vehicle traveling in the opposite direction in order to eliminate crosswind effects. Lead/pull caused by unlevel roads and crosswinds are considered normal. Does the vehicle exhibit torque steer when the accelerator is pressed?Go to Step 3System OK
3Drive the vehicle on a straight, smooth, flat road at 64-97 km/h (40-60 mph). Remove your foot from the accelerator. Shift the transmission into NEUTRAL in order to allow the vehicle to coast. Is any additional steering input required to maintain a straight ahead direction. Repeat this test with the vehicle traveling in the opposite direction in order to eliminate crosswind effects. Lead/pull caused by unlevel roads and crosswinds are considered normal. Does the vehicle direction change when the steering wheel is momentarily released?Go to Vehicle Leads/PullsGo to Step 4
4Inspect the front suspension and powertrain mounts for worn or damaged components and repair as necessary. Did you find and correct the condition?Go to Step 6Go to Step 5
5Inspect the vehicle trim height. Refer to Trim Height Inspection . Did you find and correct the condition?Go to Step 6
6Operate the vehicle in order to verify the repair. Did you correct the condition?System OK