
Main shaft M41 overdrive D-type for Volvo Amazon 1957-61, 1800 1961-68
Amazon, 1800, 140
- Model year:
- 1957–1969
- Gearbox:
- M41
- System:
- D-type overdrive
- Info:
- Gearbox/rear axle: M41, Type D
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Oil leakage at the output shaft, rattling in the overdrive or noise from the bearings are classic signs that an M41 is getting tired. This category gathers the wear and sealing parts needed when the gearbox with Laycock overdrive is to be sealed or rebuilt on the Volvo 140 and 164.

Amazon, 1800, 140

PV 444, PV 544, Amazon, 1800, 140, 240, 260

Amazon, 1800, 140, 164, 240, 260, 740, 780, 760, V90, 940, S90, 960

1800, 140, 240, 260

PV 444, PV 544, Amazon, 1800, 140

Duett, PV 444, PV 544, Amazon, 1800, 140

740, 760, V90, 960, S90, 940

1800, 140, 164


PV 444, PV 544, Amazon, 1800, 140, 240, 260

PV 444, PV 544, Duett, Amazon, 1800

164

1800, 140, 240, 260

240, 260

140

PV 444, Amazon, 1800, 140, 240, 260


PV 444, PV 544, Amazon, 1800, 140, 240, 260

PV 444, PV 544, Amazon, 1800, 140, 164


1800, 140, 240, 260, 740, 780, 760, V90, S90, 940, 960

PV 444, PV 544, Amazon, 1800, 140


PV 444, PV 544, Amazon, 1800, 140, 164, 240, 260, 740, 780, 760, V90, 960, S90, 940
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For this job, common parts are ball bearings and rollers, seals and O-rings, gaskets, companion flanges, washers and screws. Seals and O-rings are typical checkpoints since they control the oil pressure in the overdrive – if they leak, the unit loses both pressure and engagement. The bearings are checked for play and noise while the gearbox is apart anyway, and new gaskets are required at every reassembly to keep the oil on the right side.