What is the torque spec for the final gear bolts on this Nissan transaxle?

74 - 88 N·m (7.5 - 9.0 kg-m, 54 - 65 ft-lb), as shown next to the final gear in the differential exploded view.

Which parts must always be replaced during a transaxle major overhaul?

Parts marked with an asterisk (*) must always be replaced — these are the snap rings on the mainshaft and input shaft.

Which parts need to be selected with proper thickness?

Parts marked with a star (★), including the adjusting shims (mainshaft and differential) and the differential thrust washer, must be selected with proper thickness.

What components make up the mainshaft synchronizer assemblies?

The mainshaft carries the 1st & 2nd synchronizer hub, 3rd & 4th synchronizer hub, and 5th synchronizer hub, each with coupling sleeves, baulk rings, and thrust springs. The hubs marked ☆ require attention to installation direction.

What differential parts are shown in this diagram?

Differential side bearings, speedometer stopper, speedometer drive gear, differential case, final gear, pinion mate gears, pinion mate shaft, retaining pin, side gears, thrust washers, and an adjusting shim.

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Nissan Micra Manual Transaxle Gear Component Exploded Diagram - MT-5 Overhaul

Exploded view of transmission gear components with shafts, gears, bearings, and synchros

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Exploded parts diagram of the manual transmission gear train, shafts, and synchronizer components.

AI caption June 2005 · Photo 152 of 412

This is page MT-5 of a Nissan service manual, from the 'Major Overhaul' section covering the manual transaxle. It presents a detailed exploded-view diagram of the transaxle gear components, split into three assemblies: the mainshaft, the input shaft, and the differential. Every part in the exploded view is labeled, including gears (1st through 5th, reverse main gear, reverse idler gear, final gear, side gears, pinion mate gears), synchronizer components (1st & 2nd, 3rd & 4th, and 5th synchronizer hubs, baulk rings, coupling sleeves, thrust springs), bearings (mainshaft front and rear bearings, input shaft front bearing, input shaft rear needle bearing, differential side bearings), and small hardware such as snap rings, steel ball, thrust washers, bushings, adjusting shims, retaining pin, speedometer drive gear and stopper. One torque specification is given for the final gear bolts: 74-88 N·m (7.5-9.0 kg-m, 54-65 ft-lb). Footnote symbols indicate parts that must always be replaced (snap rings), parts to be selected with proper thickness (adjusting shims, thrust washers), and parts requiring attention to installation direction (synchronizer hubs, reverse main gear). Illustration reference number SMT995 appears at bottom right. Useful for anyone disassembling or reassembling this Nissan manual transaxle.

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Frequently asked questions

What is the torque spec for the final gear bolts on this Nissan transaxle?: 74 - 88 N·m (7.5 - 9.0 kg-m, 54 - 65 ft-lb), as shown next to the final gear in the differential exploded view.
Which parts must always be replaced during a transaxle major overhaul?: Parts marked with an asterisk (*) must always be replaced — these are the snap rings on the mainshaft and input shaft.
Which parts need to be selected with proper thickness?: Parts marked with a star (★), including the adjusting shims (mainshaft and differential) and the differential thrust washer, must be selected with proper thickness.
What components make up the mainshaft synchronizer assemblies?: The mainshaft carries the 1st & 2nd synchronizer hub, 3rd & 4th synchronizer hub, and 5th synchronizer hub, each with coupling sleeves, baulk rings, and thrust springs. The hubs marked ☆ require attention to installation direction.
What differential parts are shown in this diagram?: Differential side bearings, speedometer stopper, speedometer drive gear, differential case, final gear, pinion mate gears, pinion mate shaft, retaining pin, side gears, thrust washers, and an adjusting shim.