GM & VOLVO
4T65E
'97-'08 4-SPEED AUTOMATIC TRANSMISSION:
3-4 ACCUMLATOR PISTON
- Piston is manufactured from high-grade billet aluminum to prevent wear.
- Tight tolerances and surface finish restore proper clearances.
- Piston accepts OE or standard replacement D-Ring
- FITS '97-'08 4T65E 4-SPEED AUTOMATIC TRANSMISSION IN BOTH GM & VOLVO MODELS:
- BUICK CENTURY 00-04 4 SP FWD V6 3.1L
- BUICK LESABRE 98-05 4 SP FWD V6 3.8L
- BUICK LACROSSE/ALLURE 05-08 4 SP FWD V6 3.6L/3.8L V8 5.3L
- BUICK LUCERNE 06-08 4 SP FWD V6 3.8L
- BUICK PARK AVENUE/ULTRA 97-04 4 SP FWD V6 3.8L/3.8L SC
- BUICK REGAL 97 4 SP FWD V6 3.8L SC
- BUICK REGAL 98-04 4 SP FWD V6 3.8L/3.8L SC
- BUICK RENDEZVOUS APV 02-07 4 SP FWD/AWD V6 3.4L/3.5L/3.6L
- BUICK RIVIERA 97-99 4 SP FWD V6 3.8L
- BUICK TERRAZA 05-07 4SP FWD/AWD V6 3.5L/3.9L
- CHEVROLET IMPALA 00-08 4 SP FWD V6 3.4L/3.5L/3.8L/3.9L/3.8L SC V8 5.3L
- CHEVROLET LUMINA/MONTE CARLO 97-00 4 SP FWD V6 3.4L/3.8L/3.8L SC
- CHEVROLET LUMINA/MONTE CARLO 00-01 4 SP FWD V6 3.1L
- CHEVROLET MALIBU SS/MALIBU MAXX SS 06-07 4 SP FWD V6 3.9L
- CHEVROLET MONTE CARLO 01-07 4 SP FWD V6 3.4L/3.5L/3.8L/3.9L/3.8L SC V8 5.3L
- CHEVROLET UPLANDER 05-08 4 SP FWD/AWD V6 3.5L/3.9L
- CHEVROLET VENTURE APV 99-05 4 SP FWD V6 3.4L
- OLDSMOBILE 88 ROYALE 98-99 4 SP FWD V6 3.8L/3.8L SC
- OLDSMOBILE AURORA 01-03 4 SP FWD V6 3.5L
- OLDSMOBILE INTRIGUE 98-02 4 SP FWD V6 3.5L/3.8L
- OLDSMOBILE SILHOUETTE 99-04 4 SP FWD V6 3.4L
- PONTIAC AZTEC 01-05 4 SP FWD/AWD V6 3.4L
- PONTIAC BONNEVILLE 98-05 4 SP FWD V6 3.8L/3.8L SC
- PONTIAC G6 06-08 4 SP FWD V6 3.9L
- PONTIAC GRAND PRIX 98-99 4 SP FWD V6 3.8L/3.8L SC
- PONTIAC GRAND PRIX 00-08 4 SP FWD V6 3.1L/3.8L/3.8L SC V8 5.3L
- PONTIAC MONTANA / SV6 99-07 4 SP FWD/AWD V6 3.4L/3.5L/3.9L
- VOLVO S80 SERIES '99-'06 2.9L (FRONT WHEEL DRIVE ONLY)
- VOLVO XC90 '02-'06 2.9L (ALL WHEEL DRIVE MODELS)
- It is common to have poor 3-4 shifts, no 4th gear or a burned 4th clutch in 4T65-E units. This can be caused by excessive wear at the 3-4 accumulator piston pin bore, which allows 4th clutch oil to exhaust and can result in harsh 4th, no 4th gear or a burned 4th clutch. Pin bore wear also reduces 3rd clutch pressure during 3-4 shift. The 4th shift quality depends on the condition of the piston and accumulator valves. If the 4th accumulator piston seizes, the 4th shift will be very hard. The Sonnax accumulator piston 84880M-01 restores accumulator pressure and eliminates cross leaks.
- PHOTO SHOWS ACTUAL SONNAX BILLET 3-4 ACCUMULATOR PISTON (OE PARTS NOT INCLUDED)
- INCLUDES INSTALLATION INSTRUCTIONS
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