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Symptoms:

  • Burnt converter
  • Lockup shudder
  • TCC cycling
  • Harsh downshifts
  • Harsh engagement
  • TCC codes

Cause:

Wear at the TCC control plunger sleeve allows pressure loss that causes TCC problems. Wear at the low brake switch boost sleeve causes harsh downshifts.

Correction:

Restore proper TCC or Low brake function by installing Sonnax TCC control valve/Low brake switch boost valve kit.

WARNING!

The RE5R05A 3rd and 4th design TCC control plunger valve has a larger diameter (.282") than the valve in this kit. Installing 63741-05K into a 3rd or 4th design application will cause excessive apply pressure, resulting in drivability concerns related to a lack of power and harsh converter apply. Do not install this kit into the TCC control bore of a 3rd or 4th design casting!

JR710E, JR711E, JR712E, RE5R05A, RE7R01A

TCC Control Valve Kit/Low Brake Switch Boost Valve Kit
Part No. 63741-05K

RE5R05A: TCC control valve kit (1st and 2nd design casting only)
RE7R01A, JR710E, JR711E, JR712E: Low brake switch boost valve kit
Also fits TCC control bore in Kia A5SR1/A5SR2 valve bodies.

You need this if... View Instructions

Nissan/Infiniti vehicles equipped with 1st and 2nd design RE5R05A valve bodies may have TCC concerns such as lockup shudder, premature or bumpy apply, slippage and/or a burnt converter. These issues can be caused by wear in the TCC control sleeve, which allows apply pressure leakage.

Vehicles equipped with RE7R01A, JR710E, JR711E and JR712E transmissions may display harsh downshifts caused by wear and leakage in the Low brake switch boost sleeve. All above issues can be solved by installing Sonnax TCC control valve/Low brake switch boost valve kit 63741-05K into the appropriate bore.

  • Drop-in part, no special tools required
  • Sleeve is manufactured from highly wear-resistant aluminum alloy
  • Hardcoat anodized aluminum valve combats premature wear
  • Valve
  • Sleeve

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. See all Sonnax valve body layouts.

Jatco RE5R05A Valve Body Layout

Re5r05a vbl thumb

October 08, 2015

Missed It by "That Much"

Topics: Diagnostics And Theory Transmission Nissan Jatco RE5R05A Transmission

Read Now
  • 63741 05k combo re5r05a
  • 63741 05k combo re7r01a
  • 63741 05k
  • 63741 05k details
  • 63741 05k measurecompare

You need this if...

Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.

  • 63741 05k test re5r05a
  • 63741 05k test re7r01a