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240 240 Firewall EFI Harness Hole SIZES

dbarton

dbarton

Dejected by Volvo Corp.
Joined
Nov 17, 2002
Location
Prosper, TX
I'm trying to find some accurate sizes Volvo used for right side 240 round firewall grommet holes. I believe the hole size changed over the years because grommets became larger in later years.

I worked a ruler in to get a photo (below) for an approximate diameter of the right side hole in my '84 240. It appears to be approx 50 mm diameter.

If you are able to accurately measure this right side hole in your 240, could you post the diameter and year please?
Thanks, Dave
 

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  • grommet240-1984a.jpg
    grommet240-1984a.jpg
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Last edited:
OttoB said:
I recall that Lh 2.4 cars got hole diameter around 70 mm. We couldn't find suitable grommet, and grommet part number didn't give any matches.
Click to expand...

70 mm has to be incorrect. I have an original 2.4 harness here and the OD of the back side of the grommet is 70 mm. Front side OD is 60 mm. It appears to fit a hole *around* 52 to maybe 55 mm.
Dave
 
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