Guy Lowe Posted February 6, 2016 Share Posted February 6, 2016 After 12 years I have decided to put my heater back in (age!) but since then the car has been re skinned so no mounting points. Am I right to assume that it was originally secured with 4 x 7/16" or 1/2" bolts through the box section chassis cross member rails above the foot well and there should be 4 holes there under the ali? If so would someone be kind enough to measure the centers of the forward holes, my heaters centers are 276 mm.TIA Guy Link to comment Share on other sites More sharing options...
sjmmarsh Posted February 6, 2016 Share Posted February 6, 2016 GuyS3, SV or CSR? Which year? I think it will make a difference!Steve Link to comment Share on other sites More sharing options...
Guy Lowe Posted February 6, 2016 Author Share Posted February 6, 2016 Sorry . . . . . . . 1990 S3 De Dion Link to comment Share on other sites More sharing options...
Guy Lowe Posted February 7, 2016 Author Share Posted February 7, 2016 Is there anyone who has an old recirculating heater who could measure the mounting bolt centres from the outer skin for me please? Link to comment Share on other sites More sharing options...
ncm Posted February 11, 2016 Share Posted February 11, 2016 Guy, my 1990 De-dion car heater is held in with self tapping screws and large washers to cover the holes....All as per the build manual! From memory the heater sits centrally over the tunnel .I can check the manual later to see if it quotes any dimensions.Brian. Link to comment Share on other sites More sharing options...
ncm Posted February 11, 2016 Share Posted February 11, 2016 Guy, just been and looked at the car..it appears that my memory is fading,as the heater is offset to the passenger side! The center of the left hand forward mounting hole is 205mm from the edge of the car, the hole centers between the mounting points being 276mm as you quote above. Manual states that you will need to 'drill a 3/8" hole in the vertical bulkhead behind the heater approx 5" up and 15" in from the lefthand side edge of the chassis in order that the wires can be passed through a grommet to connect with the loom.'Cheers, Brian. Link to comment Share on other sites More sharing options...
Guy Lowe Posted February 12, 2016 Author Share Posted February 12, 2016 Sorry for my delayed reply, I have been working away all week.Thank you ncm, that is exactly the information I need, much appreciated Link to comment Share on other sites More sharing options...
Guy Lowe Posted February 28, 2016 Author Share Posted February 28, 2016 Either the old holes in the chassis rails were large or I was just jammy, but I hit all four spot on Thanks Brian Link to comment Share on other sites More sharing options...
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