Disclaimer2020 Lincoln Truck MKT FWD V6-3.7L Technical Service Bulletin # 10-9-9 Date: 100524
A/T - DTC P0751/Harsh/No Engagement/Slip On Accel.
TSB 10-9-9
05/24/10
6F5016F55 TRANSMISSION - DTC P0751 - HARSH OR
NO FORWARD ENGAGEMENTS - PERCEIVED SLIP
ON ACCELERATION - SLIP/DELAYED AND/OR
HARSH DOWNSHIFTS
FORD:
2010 Taurus, Edge, Flex
LINCOLN:
2010 MKS, MKT, MKX
ISSUE
Some 2010 model year Taurus, Flex, MKS, MKT, Edge, MKX vehicles equipped with 6F50/55 transmissions may exhibit DTC P0751 and
delayed/harsh or no forward engagements and/or slipping 6-4 or 5-4 downshifts. This may be due to a broken orifice restrictor cup plug in the
forward clutch circuit. Affected transmission build dates are 12/11/2009-04/15/2010. The orifice restrictor cup plug sits in the transmission case
below the forward clutch feed seal under the main control valve body.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Remove the main control valve body, refer to the Workshop Manual (WSM), Section 307-01.
2. Remove the forward clutch seal. See WSM Section 307-01 for additional information.
3. Inspect for a broken orifice restrictor cup plug in the forward clutch circuit.
a. If no damage is found, continue with normal diagnostic; do not continue with this procedure.
b. If orifice restrictor cup plug is broken, continue to Step 4.
4. Remove the transaxle, refer to the WSM, Section 307-01.
5. Disassemble the transaxle, refer to the WSM Section 307-01.
a. Do not remove the bearing cups or seals from the transmission case as the case is to be replaced.
b. Do not remove bearings from transfer gear shaft or differential.
6. Inspect the forward clutch piston for damage. Also, look for a small round piece of metal in the clutch area.
7. Replace the transmission case half, clean and reseal transmission.
2020 Lincoln Truck MKT FWD V6-3.7L Page 49
8. Reassemble the transaxle, refer to the WSM, Section 307-01.
9. Reinstall the transaxle, refer to the WSM, Section 307-01.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME
100909A 2010 Flex, Edge, MKX, 13.3
Taurus 3.5L DOHC, 2010 Hrs.
MKS, MKT 3.7L FWD:
Repair The Transmission
Following The Service
Procedure (Do Not Use
With Any Other Labor
Operations)
100909A 2010 Flex, Edge, MKX, 14.6
Taurus 3.5L DOHC, 2010 Hrs.
MKS, MKT 3.7L AWD:
Repair The Transmission
Following The Service
Procedure (Do Not Use
With Any Other Labor
Operations)
100909A 2010 Flex, MKT, MKS, 15.8
And Taurus 3.5L GTDI: Hrs.
Repair The Transmission
Following The Service
Procedure (Do Not Use
With Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
7005 42
A/T - DTC P0751/Harsh/No Engagement/Slip On Accel.
TSB 10-9-9
05/24/10
6F5016F55 TRANSMISSION - DTC P0751 - HARSH OR
NO FORWARD ENGAGEMENTS - PERCEIVED SLIP
ON ACCELERATION - SLIP/DELAYED AND/OR
HARSH DOWNSHIFTS
FORD:
2010 Taurus, Edge, Flex
LINCOLN:
2010 MKS, MKT, MKX
ISSUE
Some 2010 model year Taurus, Flex, MKS, MKT, Edge, MKX vehicles equipped with 6F50/55 transmissions may exhibit DTC P0751 and
delayed/harsh or no forward engagements and/or slipping 6-4 or 5-4 downshifts. This may be due to a broken orifice restrictor cup plug in the
forward clutch circuit. Affected transmission build dates are 12/11/2009-04/15/2010. The orifice restrictor cup plug sits in the transmission case
below the forward clutch feed seal under the main control valve body.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Remove the main control valve body, refer to the Workshop Manual (WSM), Section 307-01.
2. Remove the forward clutch seal. See WSM Section 307-01 for additional information.
3. Inspect for a broken orifice restrictor cup plug in the forward clutch circuit.
a. If no damage is found, continue with normal diagnostic; do not continue with this procedure.
b. If orifice restrictor cup plug is broken, continue to Step 4.
4. Remove the transaxle, refer to the WSM, Section 307-01.
5. Disassemble the transaxle, refer to the WSM Section 307-01.
a. Do not remove the bearing cups or seals from the transmission case as the case is to be replaced.
b. Do not remove bearings from transfer gear shaft or differential.
6. Inspect the forward clutch piston for damage. Also, look for a small round piece of metal in the clutch area.
7. Replace the transmission case half, clean and reseal transmission.
2020 Lincoln Truck MKT FWD V6-3.7L Page 49
8. Reassemble the transaxle, refer to the WSM, Section 307-01.
9. Reinstall the transaxle, refer to the WSM, Section 307-01.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME
100909A 2010 Flex, Edge, MKX, 13.3
Taurus 3.5L DOHC, 2010 Hrs.
MKS, MKT 3.7L FWD:
Repair The Transmission
Following The Service
Procedure (Do Not Use
With Any Other Labor
Operations)
100909A 2010 Flex, Edge, MKX, 14.6
Taurus 3.5L DOHC, 2010 Hrs.
MKS, MKT 3.7L AWD:
Repair The Transmission
Following The Service
Procedure (Do Not Use
With Any Other Labor
Operations)
100909A 2010 Flex, MKT, MKS, 15.8
And Taurus 3.5L GTDI: Hrs.
Repair The Transmission
Following The Service
Procedure (Do Not Use
With Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
7005 42
