Product Details

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SK 340 Transgo Shift Kit for the widely used A340, A341, A343, AW4 automatic transmission and all variants.

Shift kit specifications:

• Manufacturer: Transgo
• Part number: SK-340
• Transmission make: Toyota, Jeep, Lexus, Kia, Isuzu, Mitsubishi, and Volvo.
• Transmission model: A340, A341, A343, AW4, Aisin-Warner
• Year range: 1985-2004
• Speeds: 4-speed automatic overdrive
• Drivetrain type: RWD, 4X4, AWD
• Transmission removal not required.

This 340 SHIFT KIT® Valve Body Repair Kit fits 1985 and newer Toyota, Lexus, Isuzu, Mitsubishi, Hyundai, Kia, and Jeep vehicles equipped with the A340, A341, A343 and AW4 series automatic transmissions. Common complaints with those transmissions are rough shifts when cold, soft shifts, lazy kickdown, TCC Slip as well as overheating.

The first area of concern leading to those complaints is a worn-out TCC relay boost valve and bushing. When the Torque Converter Clutch relay boost valve and bushing wear out, lock-up control and overheating complaints occur. As for the other shift complaints, they require recalibration of the accumulator springs, pressure regulator spring as well as the orifices in the valve body separator plate.

Features and benefits:

The kit includes a drop-in USA-made hardened steel TCC relay boost valve and bushing that will restore the hydraulic circuit integrity for type two, three and four valve bodies except some Lexus models. This hardened steel boost valve and bushing assembly provides you with a durable direct replacement for the soft aluminum OEM assembly that is prone to wear. The kit also comes with everything you need to recalibrate the accumulators, separator plate feed orifices and pressure regulation for better shifting and a more durable transmission.

Corrects, Prevents, Reduces:

• Rough shifts when cold
• Soft shifts
• Lazy kickdown
• TCC slip.
• Overheating on type two, three and four valve bodies due to wear at the lock-up relay valve

Shift Kit Includes:

• USA-made hardened steel TCC relay boost valve and bushing
• Blue pressure regulator valve spring (for type one valve body)
• Orange pressure regulator valve spring and washer (for type two, three and four valve body)
• Short accumulator spacer
• Medium accumulator spacer
• Long accumulator spacer
• (2) Blue accumulator springs
• Orange accumulator spring
• White accumulator spring
• Red accumulator spring
• Plain accumulator spring
• 0.055” Drill bit

This Transgo Shift Kit works in the following Toyota, Lexus, Jeep, Kia, Isuzu, Mitsubishi, and Volvo applications:

Toyota:

• 4Runner 1989-2004
• Cressida 1987-1992 – 7M-GE
• Land Cruiser 1995-2002
• Pickup 1985-1995
• Previa 1993-1997 – Supercharged
• Sequoia 2001-2004 – 4.7L
• Supra 1986-1998
• T100 1993-1998
• Tacoma 1995-2012 – 2.7L, 3.0L, 3.4L
• Tundra 2/1999-2004

Isuzu:

• Trooper 1988-1991 – 2.6L, 2.8L

Jeep:

• Cherokee, 4 & 6 cyl, 1987-2001
• Comanche, 6 cyl, 1990-1993
• Grand Cherokee 4.0L, 1993-1998 (With 19 bolt pan)
• Wagoneer, 6 cyl, 1987-1993

Kia:

• Sorento 2003-2004 – 3.5L

Lexus:

• GS300 1993-1995
• LS-400 1990-1997
• LX-450 1996-1999
• LX-470 1996-2002
• SC-300 1992-2000
• SC-400 1990-1997

Mitsubishi:

• Montero 6/1994-2000 - 6cyl

Volvo:

• 960 1992-1997
• S90 1997-1998
• V90 1997-1998

This four-speed overdrive automatic transmission is known by multiple codes and names, including: A340, A340E, A340F, A340H, A341, A341E, A341F, A343, A343E, A343F, 40-30LE, 30-80LE, V4AW3, 30-40LE, AW30-40LE, 30-43LE, AW30-43LE, 30-43LE, 40-30LE, AW30-43LE, AW40-30LE, AW4, AW-4, Aisin AW, Aisin Seiki, Aisin-Warner

The SK-340 Shift correction kit works in following years: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004.