Dodge Nitro. Manual — part 830

Fig. 57: Identifying Countershaft Roller Bearing Shell & Remover 7794-A
Courtesy of CHRYSLER LLC

7. Remove countershaft roller bearing shell (1) from the rear housing with Remover 7794-A (2) and Slide

Hammer C-637.

2007 Dodge Nitro R/T

2007 MANUAL TRANSMISSION NSG370 - Diagnosis & Overhaul - Nitro

Fig. 58: Identifying Mainshaft Bearing & Retainers
Courtesy of CHRYSLER LLC

8. Remove mainshaft bearing (1) retainer bolts and remove retainers (2).

9. Remove bearing from housing with a hammer and driver.

CLEANING

MANUAL TRANSMISSION - NSG370

Clean gears, shafts, shift components and transmission housings with a standard parts cleaning solvent. Do not
use acid or corrosive base solvents. Dry all parts except bearings with compressed air.

Clean shaft bearings with a mild solvent such as MOPAR™ degreasing solvent or similar solvents. Do not dry
the bearings with compressed air. Allow the bearings to either air dry or wipe them dry with clean shop towels.

INSPECTION

2007 Dodge Nitro R/T

2007 MANUAL TRANSMISSION NSG370 - Diagnosis & Overhaul - Nitro

MANUAL TRANSMISSION - NSG370

Fig. 59: Identifying Third Gear & Fourth Gear
Courtesy of CHRYSLER LLC

Bearings: Inspect for worn, cracked, flat-spotted or brinnelled.

Gears: Inspect for worn, chipped or cracked teeth. Inspect bearing surfaces for ware or flat-spotted.

Mainshaft: Inspect for worn splines, snap ring grooves and threads. Inspect bearing surfaces for ware or flat-
spotted. Third gear (1) and fourth gear (2) are serviced with mainshaft only.

NOTE:

Minor corrosion, nicks, or pitting can be smoothed with 400 grit emery and
polished out with crocus cloth.

2007 Dodge Nitro R/T

2007 MANUAL TRANSMISSION NSG370 - Diagnosis & Overhaul - Nitro

Fig. 60: Inspecting Bearing Surfaces & 3-4 Synchronizer Assembly
Courtesy of CHRYSLER LLC

Countershaft: Inspect for worn, chipped or cracked teeth. Inspect bearing surfaces (1) for wear or flat-spots.
Inspect 3-4 synchronizer assembly (2). Inspect oil slinger for cracks. The countershaft is serviced as an
assembly.

Oil Slinger: Inspect first/reverse oil slinger for cracks.

2007 Dodge Nitro R/T

2007 MANUAL TRANSMISSION NSG370 - Diagnosis & Overhaul - Nitro