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Looking for someone to shed some light on the 1800S transmissions, I always believed the M41 was the M40 fitted with the overdrive but now understand the two gearbox castings are slightly different, so what is mine? 1800

posted by  jgcoutts on  Mon May 31 11:59 CST 2021
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Following is the image of my Volvo’s birth certificate and subsequent posts show the ID plate on my transmission which confirms it is the original transmission, Karl's website that states that both M40 and M41 were installed in P180's and the transmission is p/n 254409 as the image of its ID PLATE shows, yet the Parts Book doesn't seem to show it specifically by part number, so what models have compatible parts to replace #28?

My question comes out of needing to replace the train of four gears because two teeth on the second gear are missing, well not so much missing as not where they belong since they are laying on the garage floor after draining the oil!







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New Looking for someone to shed some light on the 1800S transmissions, I always believed the M41 was the M40 fitted with the overdrive but now understand the two gearbox castings are slightly different, so what is mine? [1800]
posted by  jgcoutts  on Mon May 31 11:59 CST 2021 >


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