ZF 8HP50 8-Speed Automatic Β· Chrysler/Dodge/Jeep/RAM Β· Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
2012βpresent Dodge Challenger/Charger (5.7L Hemi); 2012βpresent Jeep Grand Cherokee (5.7L Hemi); 2012βpresent Chrysler 300 (5.7L Hemi); mid-weight ZF 8HP for V8 gas applications
| Configuration | 8-speed automatic β mid-torque ZF 8HP variant |
|---|---|
| Gear Ratios | 1st 4.71:1 Β· 2nd 3.14:1 Β· 3rd 2.11:1 Β· 4th 1.67:1 Β· 5th 1.29:1 Β· 6th 1.00:1 Β· 7th 0.84:1 Β· 8th 0.67:1 Β· Rev 3.30:1 |
| Fluid Type | Mopar ZF+8 ATF |
| Fluid Capacity | 10.0 qts total, 5.5 qts service refill |
Same ZF 8HP TCC shudder at 40β60 mph β universal across the 8HP family.
Symptoms: Shudder at highway speed; fluid-related in most cases
High-mileage solenoid wear under Hemi torque loads.
Symptoms: Erratic shifts; P-codes; limp mode
Challenger and Charger performance use accelerates TCC wear.
Symptoms: Shudder under hard acceleration; TCC slip confirmed in live data
Full disassembly. TCC replaced. Solenoid set replaced. All clutch packs replaced. ZF-spec soft parts kit. ZF+8 fluid flush.
ZF+8 fluid every 40,000 miles. Performance Challenger/Charger applications: every 30,000 miles.
Yes β the 8HP50 handles higher torque inputs for Hemi V8 applications. Rated for approximately 380 lb-ft.
Very common complaint β 90% of cases resolve with a ZF+8 fluid flush. If shudder continues after fresh fluid, the TCC is worn.
Mopar ZF+8 ATF (ZF LifeGuardFluid 8). Do not substitute.
$2,200β3,200.
2β3 days.
Free diagnostic, written estimate, lifetime warranty. Chicago's 8HP50 rebuild specialists since 1987.