August 15, 2022
Troubleshooting Ford 6R80 & 6R140 Timing-Related Shift Issues
Jim Dial
Ford 6R100, 6R80 (2015-Later) Vacuum Test Guide
Vacuum testing is an efficient way to identify the root cause of transmission problems and evaluate the effectiveness of repairs. Frequent, proper vacuum testing can put money in the bank, improve turnaround time in your bays, and prevent costly comebacks.
See how easy it is to master vacuum testing and work with confidence knowing your rebuild is done right the first time.
Click here to view PDF if the tech resource does not appear below.
Learn More
Related Units
Related Parts
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP21, ZF6HP26, ZF6HP28, ZF6HP32, ZF6HP34
Oversized Converter Release Regulator Valve Kit 95740-05K
OE valve name: WK-V
-
Helps cure:
- Excess TCC slip RPM & related codes
- Harsh TCC apply & release
- Low TCC release pressure
- Rough idle in Reverse
- Harsh downshifts
- Flare shifts
- Overheated converter
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Oversized Clutch D1/E Control Valve Kit 95740-08K
Does not fit 2nd, 3rd or 4th design 6R80. Fits either of 2 locations.
-
Helps cure:
- Excess clutch overlap & clutch distress
- Pressure control out-of-range codes
- Downshift bind-ups
- 1-2 Bind-up
- 3-2 Harsh
- Coastdown Neutral
- Flare shifts
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Oversized Clutch A Control Valve Kit 95740-09K
-
Helps cure:
- Downshift bind-ups
- Flare shifts
- Excess clutch overlap & clutch distress
- Pressure control out-of-range codes
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Oversized Lubrication Control Valve Kit 95740-11K
OE valve name: SCHM-V
-
Helps cure:
- Planetary failure
- Bushing failure
- Lube failures
- Overheating
- Low converter pressure
- Bump shifts
- Flare shifts
- Rough idle in Reverse
- TCC apply & release concerns
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Oversized Bypass Clutch Control Valve Kit 95740-13K
OE valve name: WD-V
-
Helps cure:
- TCC codes
- Excess TCC slip
- Cycling RPM
- Low TCC release pressure
- Flare shifts
- Harsh shifts
- Rough idle in Reverse
- Overheated converter
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6R100, 6R140, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), 845RE, CFT30, ZF6HP19, ZF6HP21, ZF6HP26, ZF6HP28, ZF6HP32, ZF6HP34, ZF8HP45, ZF8HP55, ZF8HP70
Accumulator Piston Kit 95740-15K
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Oversized Solenoid Pressure Regulator Valve Kit 95740-17K
ZF valve name: DR.REO-V
-
Helps cure:
- Flare shifts
- Neutral shifts
- Harsh upshifts
- Harsh downshifts
- Gear ratio codes
- Solenoid performance codes
- Delayed Forward
- Delayed Reverse
- Wrong gear starts
- TCC slip
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
O-Ringed End Plug Kit 95740-19K
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Clutch A Control Boost Valve Kit 95740-21K
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
O-Ringed Internal End Plug Kit 95740-25K
Required
Recommended
6R100, 6R80 (2015-Later)
Oversized Pressure Regulator Valve Kit 95740-46K
Fits '15-later 6R80 units.
-
Helps cure:
- Poor shift quality
- Flare shifts
- Harsh shifts
- Erratic line pressure
- Slips in Forward & Reverse
- Delayed Reverse
- No Reverse
- TCC slip
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Oversized Clutch C Regulator Valve 95740-40K
Cannot be used in units that have a 053 separator plate.
-
Helps cure:
- 6th Slip
- 2nd Slip
- Clutch failure
- Poor shift quality
- Ratio errors
Required
Recommended
6R60, 6R75, 6R80 (2009–2014), ZF6HP19, ZF6HP26, ZF6HP32
Drive Enable/Solenoid Multiplex Valve 95740-04A
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP21, ZF6HP26, ZF6HP28, ZF6HP32, ZF6HP34
Converter Release Regulator Valve 95740-05A
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Clutch A/D1/E Control Valve 95740-08A
Required
Recommended
6R100, 6R60, 6R75, 6R80 (2009–2014), 6R80 (2015-Later), ZF6HP19, ZF6HP26, ZF6HP32
Solenoid Pressure Regulator Valve 95740-17A
While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time.