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Symptoms:

  • Loss of cooler flow
  • Overheating
  • Shuttle or loss of lockup
  • Premature lockup
  • TCC apply & release concerns
  • Engine stall on engagement

Cause:

Wear at the plunger sleeve due to continuous oscillation of the apply valve can allow premature lockup, overheating and converter shuttle.

Correction:

The replacement plunger assembly is manufactured from highly wear-resistant materials and restores proper hydraulic clearance. The redesigned control valve prevents premature lockup or shuttle.

09A, JF506E

TCC Control Valve Kit
Part No. 122892-06K

You need this if... View Instructions

The OE design of the TCC control valve in VW/Audi 09A and Jatco JF506E allows for smooth apply and control of exhaust release oil. However, if there is any converter or cooler restriction, converter feed is reduced. This allows the valve to stroke prior to lockup command, resulting in premature TCC apply. This can be aggravated by wear at the plunger valve sleeve due to continuous oscillation, allowing the oil pressure needed to hold the control valve in the release position to exhaust instead. Sonnax TCC control valve kit 122892-06K includes a redesigned plunger valve assembly and control valve to prevent premature TCC apply. The Sonnax TCC control valve has eliminated the controlled release exhaust reaction spool, which often has a worn bore that causes lockup complaints. The plunger valve sleeve has been extended to aid in sealing this circuit. An orifice plug is included to block the controlled release circuit. These changes prevent the control valve from stroking prior to lockup command due to any converter or cooler restrictions, and are designed to result in a short and firmer TCC apply than OE.

  • Redesigned valve components prevent premature TCC apply
  • Parts are made from highly wear-resistant aluminum materials
  • Hard-anodized aluminum valve replaces steel OE version for better hydraulic clearance control as fluid temperature changes
  • New plunger valve assembly restores proper hydraulic clearances
  • A new spring is provided to restore proper holding forces with the newly designed parts
  • Salvages castings with wear at the large TCC control valve spool

This kit also services Jatco FP series; Ford JF506E, FPH; Jaguar JF506E, FPD; Mazda JA5A-ELFPF1/FPF2; Rover JF506E, FPO; and Nissan ZY units.

  • TCC Control Valve
  • Spring
  • Plunger Valve
  • Plunger Sleeve
  • Orifice Plug .062" (Not Shown)
  • 122892 06k combo
  • 122892 06k

You need this if...

  • 122892 06k in test