Transmission Vent Hose Clip Bracket Replacement (L84, L87, 2WD without F47)
Automatic Transmission - 10L80 MHS MQC | Repair Instructions - On Vehicle | Document ID: 5812569 Transmission Vent Hose Clip Bracket Replacement (L84, L87, 2WD without F47) Removal Procedure
- Raise and support the vehicle. Lifting and Jacking the Vehicle
- Support the transmission with a suitable jack.

- If equipped, remove the wiring harness (2) from the 3 wiring harness retainers (1) and reposition the wiring harness as necessary.

- Transmission Mount Nut (1) » Remove
- Transmission Support Crossmember Nut » (2) Remove [4x]
- Transmission Support Crossmember Bolt (3) » Remove [4x]

- Transmission Support Crossmember (1) » Remove
- Lower the transmission enough to gain access to the transmission vent hose clip bracket.

- Remove the engine wiring harness retainer (1) and reposition the engine wiring harness (2) as necessary.

- Remove the transmission vent hose retainer (1) then reposition the transmission vent hose (2) as necessary.

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Remove the transmission vent hose clip bracket nut (1).
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Remove the transmission vent hose clip bracket (2). Installation Procedure
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Install the transmission vent hose clip bracket (2).
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Install and tighten the transmission vent hose clip bracket nut (1). Fastener Specifications
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Reposition the transmission vent hose (2) then install transmission vent hose retainer (1).
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Reposition the engine wiring harness (2) then install the engine wiring harness retainer (1).
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Raise the transmission into place.
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Transmission Support Crossmember (1) » Install
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Transmission Support Crossmember Bolt (3) » Install [4x]
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Transmission Support Crossmember Nut (2) » Install and tighten [4x] — Fastener Specifications
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Transmission Mount Nut (1) » Install and tighten — Fastener Specifications
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If equipped, position the wiring harness (2) as necessary then install the harness into the 3 wiring harness retainers (1).
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Remove the transmission jack.
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Lower the vehicle.