| Diagnosis and Testing Inspection and Verification - Verify the customer concern by operating the system.
- Visually inspect for obvious signs of mechanical damage.
Visual Inspection Chart | Mechanical | - Leaking suspension unit.
- Suspension unit incorrectly secured.
| - If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the concern is not visually evident, verify the symptom and refer to the Symptom Chart.
Symptom Chart Symptom Chart | Symptom | Possible Sources | Action | | Vehicle is at different heights from front to rear or from side to side. | * Incorrect ride heights. | * Check the vehicle ride heights and install new suspension unit(s) if the heights are incorrect. | | * Inoperative suspension unit. | * | Functional Tests Ride Height Make sure the following points are achieved to meet the transportation condition. - That the fuel tank contains 3.0 litres of fuel only.
- That the cooling system and washer bottle are full.
- That the crankcase, transaxle and axle are full of oil.
- That the spare wheel is stowed in the correct position.
- That the jack, tools and other mandatory accessories (e.g. fire extinguisher, warning triangle etc.) are stowed in the correct position.
- That the seats are in the center position of their travel range.
Preparatory procedure for measuring front and rear ride heights. - Position the vehicle on a flat and level surface.
- Bounce the front and rear of the vehicle up and down approximately 50 mm in each direction in order to settle the suspension system.
- Roll the vehicle at least one wheel revolution forwards or backwards (or both) to allow the vehicle to assume the normal attitude.
Procedure for measuring front and rear ride heights. - With the parking brake disengaged, push the vehicle front end down evenly at the center of the bumper by approximately 25 mm and release gently.
- Measure the front ride height (as shown in the illustration) for both sides. Record these measurements.
- Lift the vehicle front end up evenly at the center of the bumper by approximately 25 mm and release gently.
- Measure the front ride height (as shown in the illustration) for both sides. Record these measurements.
- Average the above measurements for each side and record as ride height left and right.
- Repeat the above operations for the rear end of the vehicle to obtain the rear ride height (as shown in the illustration).
Allowable ride height variations. - The ride height specification is based on new suspensions that have not settled to their design heights, for suspensions that have settled the following allowance must be added to the actual measurements.
- Front ride height (settled front springs) 6 mm.
- rear ride height (settled rear springs) 6 mm.
If dimension 1 and 2 are measured with a fuel capacity other than specified, then the appropriate adjustment must be obtained from the Fractional Fuel Tank - Ride Height Table
REFER to E000000000002637 in this section.
and added to the actual ride heights. After marking the necessary adjustment check that the measured ride heights conform to those specified in the Vehicle Ride Height Table
REFER to E000000000002637 in this section.
- The ride height variations between sides on any axle must not exceed 11 mm.
- The maximum allowable difference between front and rear ride heights (shown in the illustration) must be within ±21 mm of dimension X.
Front and rear suspension ride height 3 - Measuring point on wheel arch | 
