August 15, 2022
Troubleshooting Ford 6R80 & 6R140 Timing-Related Shift Issues
Jim Dial
Ford 6R140 Valve Body Layout
Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Each layout:
- Displays an exploded view location guide for individual valve trains
- Identifies symptoms and recommended solutions for quality rebuilds
- Provides active links to view specific part details
- Lists any tools/fixtures required for part installation
- Illustrates correct part orientation
With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop.
Click here to view PDF if the tech resource does not appear below.
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Related Units
Related Parts
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6R100, 6R140, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), 845RE, 850RE, CFT30, ZF6HP19, ZF6HP21, ZF6HP26, ZF6HP28, ZF6HP32, ZF6HP34, ZF8HP45, ZF8HP50, ZF8HP55, ZF8HP70, ZF8HP75
Accumulator Piston Kit 95740-15K
Required
Recommended
6R140
Oversized TCC Charge Limit Valve Kit 126740-01K
-
Helps cure:
- Engine stall
- TCC codes
- No TCC release
- Overheated fluid
- Low TCC release pressure
- High TCC release pressure
- Low converter & lube flow
- TCC lining failure
Required
Recommended
6R140
Oversized TCC Apply Regulator & Boost Valve Kit 126740-15K
-
Helps cure:
- TCC codes
- TCC slip
- No lockup
- TCC cycling
- Overheated fluid
- Low cooler & lube pressure
- Loss of fuel economy
Required
Recommended
6R140
Oversized Forward Clutch Latch Valve Kit 126740-06K
-
Helps cure:
- Shift quality is not load sensitive
- Delayed engagement
- Gear ratio & solenoid codes
- Harsh shifts
- Burnt Forward clutch
- Overheated fluid
Required
Recommended
6R140
Oversized Line Pressure Control Valve Kit 126740-08K
-
Helps cure:
- Poor shift quality
- TCC apply & release concerns
- Erratic line pressure
- Burnt clutches
- Low converter & lube flow
- Overheating
Required
Recommended
6R140
Oversized Direct Clutch Regulator Valve Kit 126740-11K
-
Helps cure:
- Delayed Reverse
- 2-3 Flare
- 4-5 Flare
- Ratio codes
- 3rd Slip
- 5th Slip
- Direct clutch burned
- Bind-up
- Reverse slip
Required
Recommended
6R140
Oversized Solenoid Feed Pressure Regulator Valve Kit 126740-24K
-
Helps cure:
- Delayed Reverse
- Flare shifts
- Harsh shifts
- Delayed Forward
Required
Recommended
6R140
Oversized Low/Reverse Regulator Valve Kit 126740-27K
-
Helps cure:
- Low line pressure
- Burnt Low/Reverse clutch
- Delayed Reverse
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