TrailBlazer 2WD V8-5.3L (2007)
13. Inspect the transmission fluid pressure manual valve position switch assembly for the following conditions:
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Damage
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Debris
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Damaged or missing O-rings
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Cracked connector
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Loose electrical terminals
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Poor terminal retention
14. Remove the manual detent spring retaining bolt.
15. Remove the manual detent spring.
16. Inspect the manual detent spring for cracks or damage.
Important: Keep the control valve body level when lowering it from the vehicle. This will prevent the loss of checkballs located in the
control valve body passages.
17. Remove the remaining control valve body bolts.
