4r/5r55e/5r55w/s/n - .net framework · 2018. 12. 26. · 4r/5r55e/5r55w/s/n hydraulic cooler bypass...

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Transmission: Subject: Application: Issue Date: Copyright © 2011 ATRA. All Rights Reserved. Technical Bulletin # 1376 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Ford April, 2011 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass systems works on some Ford transmissions. There have been times when the thermal element or fluid cooler bypass sleeve may stick and cause internal components to fail without setting any temperature related codes. This same problem may also cause an intermittent lockup code P0741. Some aftermarket reprogramming kits may supply a block to keep the fluid cooler bypass stroked in the normal temperature position. MS • Page 1 of 10

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Page 1: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Transmission:Subject:

Application:Issue Date:

Copyright © 2011 ATRA. All Rights Reserved.

Technical Bulletin # 13764R/5R55E/5R55W/S/NHydraulic Cooler Bypass SystemsFordApril, 2011

4R/5R55E/5R55W/S/NHydraulic Cooler Bypass SystemsSome technicians may be confused as to how the hydraulic cooler bypass systems works on some Ford transmissions. There have been times when the thermal element or fluid cooler bypass sleeve may stick and cause internal components to fail without setting any temperature related codes. This same problem may also cause an intermittent lockup code P0741. Some aftermarket reprogramming kits may supply a block to keep the fluid cooler bypass stroked in the normal temperature position.

MS • Page 1 of 10

Page 2: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.MS • Page 2 of 10

Technical Bulleti n #1376

Page 3: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.

Technical Bulleti n #1376

MS • Page 3 of 10

Page 4: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.MS • Page 4 of 10

Technical Bulleti n #1376

Page 5: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.

Technical Bulleti n #1376

MS • Page 5 of 10

Page 6: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.MS • Page 6 of 10

Technical Bulleti n #1376

Page 7: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.

Technical Bulleti n #1376

MS • Page 7 of 10

Page 8: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.MS • Page 8 of 10

Technical Bulleti n #1376

Page 9: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.

Technical Bulleti n #1376

MS • Page 9 of 10

Page 10: 4R/5R55E/5R55W/S/N - .NET Framework · 2018. 12. 26. · 4R/5R55E/5R55W/S/N Hydraulic Cooler Bypass Systems Some technicians may be confused as to how the hydraulic cooler bypass

Copyright © 2011 ATRA. All Rights Reserved.MS • Page 10 of 10

Technical Bulleti n #1376