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Symptoms:

  • Throttle buzz
  • 2-3 Late
  • 3-2 Oversensitive
  • Poor kickdown
  • Shift timing concerns

Cause:

Wear at the inboard/balance circuit causes high throttle pressure and late upshifts. Wear of the OE valve or the bore at the V metering groove circuitcauses sensitive 2-3, 3-2 shift timing. Wear at the sleeve area reduces throttlepressure and causes early shifts.

Correction:

The Sonnax oversized valve and plunger restore proper clearances to prevent cross leaking and throttle buzz.

A404, A413, A470, A670

Oversized Throttle Valve Kit
Part No. 32229-01K


View Instructions

Common complaints with Chrysler FWD 3-speed units are shift timing concerns, throttle buzz, poor kickdown and/or early upshifts caused by throttle valve and bore wear. These complaints are caused by bore wear and the valve body typically has to be scrapped. Sonnax offers an oversized TV repair kit, 32229-01K, to salvage the valve body and restore throttle valve control by oversizing the bore and replacing the valve with an oversized version that restores proper clearances.

  • Throttle plunger, sleeve, and throttle valve are made from hardened steel for better wear resistance and to minimize damage from linkage contact and buzz.
  • Kit includes three shims and an alternative TV spring to allow adjustment and tuning of TV pressure.
  • Allows salvage of valve body with worn TV bore.
  • Plunger
  • Sleeve
  • Valve
  • Alternative TV Spring
  • Shims (3)

September 30, 2005

Anatomy of a Transmission: Oil Flow in the Pump-PR-Converter-Cooler Lube Circuits

Gregg Nader

Topics: Diagnostics And Theory Transmission

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  • 32229 01k combo
  • 32229 01k