Brand Name:
Toyota
Model Number:
AB60E;AB60F;TB68LS
Function: Hydraulically actuates clutch packs (3-5/R or 4-5-6 clutches) in Nissan/Infiniti FWD applications.
Kit Components:
Bonded Pistons: Aluminum with updated Viton seals (OEM 31705-3X20B) for high-temp stability.
Return Springs: Upgraded fatigue-resistant design (prevents slow release).
Seals: Pre-lubricated for immediate pressure retention.
Failure Modes:
Seal Roll-Over: Improper installation causes leaks (delayed engagement).
Spring Collapse: Leads to clutch drag (burnt plates, P0776 codes).
Piston Cracking: Fatigue near apply lugs (causes pressure loss in 5th gear).
Critical Specs:
Apply pressure: 45-65 psi (test with air pressure tool).
Seal groove clearance: <0.15mm.
Pro Tip: Soak seals in ATF for 1 hour pre-install – dry seals tear during initial actuation
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