K 1500 Yukon Denali AWD V8-6.0L VIN U (2002)
1. Install the pressure regulator valve with J 36850.
2. Pre-assemble the following parts:
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The reverse boost valve bushing
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A new reverse boost valve
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A new pressure regulator spring retainer
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The added isolator pressure regulator spring
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The pressure regulator spring
3. Install the pre-assembled parts into the pump bore.
4. Install the reverse boost valve bushing retainer ring while holding the reverse boost valve bushing in place.
Ensure the retainer ring (2) is in the groove.
5. Install the transmission oil pan and the oil filter.
6. Lower the vehicle.
7. Fill the transmission to the proper level with DEXRON III transmission fluid.
