Frax Posted March 2, 2011 Share Posted March 2, 2011 When you fit a new bulkhead how do you know it is square to the chassis ? Frax Quote Link to comment Share on other sites More sharing options...
Retroanaconda Posted March 2, 2011 Share Posted March 2, 2011 If you're leaving the back body on then it's that you need to align too, not the chassis. I measured the width of a door, added 10mm for door gap, and then set the bulkhead that distance from the rear body (using washers on the mounts as shims). Then adjusting the secondary mounts to make it vertical so that the door gap was the same all the way up. Quote Link to comment Share on other sites More sharing options...
Frax Posted March 2, 2011 Author Share Posted March 2, 2011 The chassis is bare at the moment so nothing to gauge from, I thought that all measurments would be done from the bulkhead back. Frax Quote Link to comment Share on other sites More sharing options...
Retroanaconda Posted March 2, 2011 Share Posted March 2, 2011 I fitted the back body and worked from that. Reason being that the back body (on pre-Td5 models anyway) is fixed rigidly to the rear crossmember with no adjustment as such. So I used that as a fixed reference point and worked forward from there. Quote Link to comment Share on other sites More sharing options...
Litch Posted March 2, 2011 Share Posted March 2, 2011 Yes, use the rear tub as your datum as it doesn't have any adjustment. If you haven't got the tub fitted then measure from the rear crossmember forwards. Also accept the fact that you WILL have to adjust the bulkhead when the rest of the bodywork is fitted so don't assume it is in the correct position (if it is you will have been very lucky). Quote Link to comment Share on other sites More sharing options...
Frax Posted March 2, 2011 Author Share Posted March 2, 2011 OK Guys thanks for that, I will just let it sit till I get the back ready for fitting. Is the required cap for the door seal 5mm par side giving a total of + 10mm from back to bulkhead. Just out of interest its a 300tdi and there were alloy shims fitted on the back between the cross member and body that is why I though the bulkhead was the starting point. Regards Frax Quote Link to comment Share on other sites More sharing options...
Disco-Ron Posted March 2, 2011 Share Posted March 2, 2011 Frax, when i rechassised mine, there were originally shims on two of the rear body mounts, and washers one both bulkhead mounts, when i fitted it to the new chassis, (body stayed in one piece!) i had no shims on the back, and one less washer each side..... the new chassis was built to tighter tolerances than the original..!! I think if you have the option to, i would start from the back, but if you wanted to mount the bulkhead first, i'm sure you could fit a washer or two each side between the bulkhead and mounts, and then if needed you could alwasy remove the washers later on..... Quote Link to comment Share on other sites More sharing options...
Gazzar Posted March 2, 2011 Share Posted March 2, 2011 Just make sure you copper grease the bulkhead bolts! (and every other one!) G. Quote Link to comment Share on other sites More sharing options...
Frax Posted March 2, 2011 Author Share Posted March 2, 2011 Na worries - grease wax and underseal going everywhere and lots of it. Frax Quote Link to comment Share on other sites More sharing options...
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