Lengths of Transmission to Engine Bolts

Old 10-08-2018, 07:56 PM
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Join Date: Aug 2013
Posts: 32
Default Lengths of Transmission to Engine Bolts

I have a 2005 Volvo XC70 with AW50/51 AWD transmission. I am replacing the transmission. There are many bolts used to mount the transmission to the engine. They were all removed with 13mm socket. There appear to be 3 or 4 different lengths of these bolts. I need to know which bolt length goes to which bolt hole. Since I have the parts catalog with my VIDA software, I thought I could find a detailed exploded view which would easily answer my question. However, after spending a couple of hours reviewing it, I still have not located any description of any of the bolts except the bolts used for the bracket for the rear engine mount (which is a total of 3 bolts), and a couple of the bolts attaching the starter. Obviously, in hindsight, I should have marked the bolts with a number or map or something, since now I am not exactly sure which bolts to use.

The repair description in VIDA section 43: transmission installation, certainly describes the bolt diameter, but not the lengths.

Most of the bolts are 40 mm long, some are 70 mm long. One is in-between, I haven't had a chance to measure yet, is, my guess, about 45 to 50 mm long.

Last edited by godfearer960; 10-08-2018 at 08:51 PM.
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