Envoy 2WD V8-5.3L VIN P (2004)
3. Measure the D height by measuring the distance between the jounce bumper bracket and the top of the rear axle tube.
4. Repeat the jouncing operation and measurement 2 more times for a total of 3 times.
5. Use the highest and lowest measurements to calculate the average height.
6. The true D height dimension is the average of the highest and lowest measurements.
7. If these measurements are out of specifications, inspect for the following conditions:
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Sagging rear suspension.
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Collision damage.
