Chrysler 42RH 4-Speed Overdrive Automatic · Chrysler/Dodge/Jeep/RAM · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
1992–2003 Dodge Ram 1500 (5.2L/5.9L gas); 1992–2003 Jeep Grand Cherokee (5.2L); A500 heavy-duty variant with lockup
| Configuration | 4-speed automatic with overdrive and lockup |
|---|---|
| Gear Ratios | 1st 2.74:1 · 2nd 1.54:1 · 3rd 1.00:1 · 4th 0.69:1 · Rev 2.21:1 |
| Fluid Type | Mopar ATF+4 |
| Fluid Capacity | 10.5 qts total, 5.5 qts service refill |
OD band wear under V8 towing loads.
Symptoms: OD slip; dropout from 4th on grades
Electronic governor solenoid failure.
Symptoms: P1762/P1765; late upshifts; TCC won't disengage
Age-related forward clutch piston seal failure.
Symptoms: Delayed Drive engagement; slip under hard acceleration
OD band replaced. Governor solenoid replaced. All clutch packs replaced. Valve body rebuilt. Full ATF+4 soft parts kit.
ATF+4 every 30,000 miles. The 42RH is also called the A500 in some references — same basic unit with lockup torque converter.
The 42RH is the modern designation for the A500 with full lockup torque converter. They share the same internals.
OD band is the first thing to check. Band-only replacement resolves it if clutch packs test good.
Mopar ATF+4.
$1,400–2,000.
2 days.
Free diagnostic, written estimate, lifetime warranty. Chicago's 42RH rebuild specialists since 1987.
