| TSB 14-0134 | 6R80 – GROWL OR BUZZ NOISE WHILE SHIFTING FROM PARK TO DRIVE |
ISSUE:
Some 2013-2014 Expedition, Navigator, F-150 and Mustang
vehicles may exhibit a growl or buzz noise coming from the transmission that occurs when shifting from park to drive or park to reverse most often after the vehicle has been parked and then restarted.
ACTION:
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
- Does the vehicle exhibit a growl or buzz while shifting from park to drive or park to reverse after start up?
- No – this article does not apply. Refer to Workshop Manual (WSM), Section 307-01, for normal diagnostics.
- Yes – proceed to Step 2.
- Identify the transmission build date on the transmission identification tag. Refer to WSM, Section 307-01 Description and Operation. The date will be in DDMMYY format.
- Replace the main control valve body seperator plate or main control assembly as required by the transmission build date. Refer to WSM, Section 307-01.
| CL3Z-7Z490-C | Main Control Valve Body Separator Plate (Built Between 8/1/2013 – 2/28/2014) |
| FL3Z-7A100-E | Main Control Assembly (Built Between 3/1/2014 – 3/15/2014) |
| FL3Z-7Z490-E | Main Control Valve Body Separator Plate (Built Between 3/16/2014 – 7/14/2014) |
XT-10-QLVC
Ford Genuine Ford Fluid XT-10-QLVC MERCON-LV Automatic Transmission Fluid - 1 Quart
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | Motorcraft MERCON LV Automatic Transmission Fluid |
| OPERATION | DESCRIPTION | TIME |
|---|---|---|
| 140134A | 2013-2014 Mustang, F-150, Expedition, Navigator 6R80 Transmission: Diagnose And Replace The Valve Body Separator Plate (Do Not Use With Any Other Labor Operations) | 2.5 Hrs. |
WARRANTY STATUS
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage.
Warranty/ESP coverage limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.
DEALER CODING
| BASIC PART NO. | CONDITION CODE |
| 7Z490 | 01 |
- Prevents overheating, reducing elevated operating temperatures up to 40 degrees Farenheit - Optimizes total transmission performance
- Eliminates transmission fluid foaming and oxidation and reduces wear throughout the transmission
- Eliminates clutch chatter and torque converter shudder; Softens and modifies harsh shifts making them quicker in duration
- Extends fluid life / Raises the thermal and oxidative stability of the fluid
- Only protectant that increases the fluid’s ability to transfer heat / Protects new seals and permanently restores older seals to a like-new condition, without adverse side effects
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
- Helps fluid systems work smoother and last longer.
- Safe in most types of automatic transmission fluid, hydraulics, or power steering fluid systems. Safe for conventional and synthetic fluids.
- Dissolves and liquefies harmful gum and varnish buildup in fluid
- Cleans and lubricates valve bodies, shift actuators and solenoids. Helps to control moisture in fluid.
- Will not swell seals or harm gaskets, O-rings, or clutch material
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
- Rebuilds And Restores Metal Parts And Protects Them From Future Wear.
- Anti Friction Modifier. Eliminates Surfaces Defects & Protects From Extreme Heat
- Stops Transmission Shudder, Reduces Noise & Vibration. Ultimate Stop Slipping Additive
- Increases Performance Reliability And Prolongs Service Life Of Control Gears
- Universal for Automatic, CVT, Tiptronic, Manumatic, Semi-Automatic Transmission
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
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