John Vine Posted March 15, 2022 Share Posted March 15, 2022 Re #25:5mm I/D and 7mm O/D. Here's the funnel in use -- slow, but it works:JV Link to comment Share on other sites More sharing options...
Spuddy Supersport Posted March 11, 2023 Share Posted March 11, 2023 I've just done my gearbox oil change on a type 9 box. getting the plug out i used a 3/8 allen key cut down instead of the 10mm. it gave a little extra clearance which helped when try to engage it.Putting the plug back in was really hard at first, but i then used a small length of 8mm tube to aid holding the plug. this left the thread clear so i could lightly get some grips on it. This was enough to get the thread started, i then pulled out the tube and carried on with the allen key.This may be helpfull to others. Link to comment Share on other sites More sharing options...
ECR Posted March 12, 2023 Share Posted March 12, 2023 I quite like that tube idea .... Link to comment Share on other sites More sharing options...
John Vine Posted March 12, 2023 Share Posted March 12, 2023 Yes, so do I. JV Link to comment Share on other sites More sharing options...
ScottR400D Posted March 19, 2023 Share Posted March 19, 2023 Further to this and off topic, changing oil in box and diff of a mates 2013 135bhp Sigma car. No trouble with the box but can't get my diff filler plug tool into the plug on this car because it's at an angle (mine is horizontal) and close up to the de Dion tube Any tips? What size hex is in the plug? How do you clear the de Dion? Link to comment Share on other sites More sharing options...
Area Representative paul richards Posted March 19, 2023 Area Representative Share Posted March 19, 2023 Is the car jacked up on axle stands? Are you accessing through the boot?By the way it's normally a 10mm allen key. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted March 19, 2023 Member Share Posted March 19, 2023 You might be able to improve access by jacking the de Dion tube.Jonathan Link to comment Share on other sites More sharing options...
ScottR400D Posted March 19, 2023 Share Posted March 19, 2023 #31 Yes and yes. On the stands the de Dion is close to or resting on the chassis. Jacking up on the A Frame/de Dion doesn't raise it enough to clear the plug. A 10mm Allen key seems way too small. It's very hard to get sight of the end of the plug but we tried a 10mm and it seemed way too small. #32 Tried that JK, still poor access. Link to comment Share on other sites More sharing options...
Area Representative paul richards Posted March 19, 2023 Area Representative Share Posted March 19, 2023 Post a picture Link to comment Share on other sites More sharing options...
SM25T Posted March 19, 2023 Share Posted March 19, 2023 Start with wheels on the ground with the boot floor removed. Then raise car until you achieve what you need ? Link to comment Share on other sites More sharing options...
ScottR400D Posted March 19, 2023 Share Posted March 19, 2023 I'm not near the car at the moment but I'll ask for a pic. Moving from the de Dion resting on the chassis, as it is when on stands, to the full weight on the Jack at the de Dion/A frame point would move it through the full range I would have thought? It's too close for easy access at any time. I would have thought the correct size Allen key, cut down, would fit but can't even get a decent view to figure out the size. Link to comment Share on other sites More sharing options...
SM25T Posted March 19, 2023 Share Posted March 19, 2023 I use a hex bit on a metre long breaker bar. From memory it is 10mm on my Ford diff. It always lets go with a loud bang ! Link to comment Share on other sites More sharing options...
Wrightpayne Posted March 19, 2023 Share Posted March 19, 2023 I think we might be talking about the new fangled BMW diff Link to comment Share on other sites More sharing options...
Area Representative paul richards Posted March 19, 2023 Area Representative Share Posted March 19, 2023 "I think we might be talking about the new fangled BMW diff"Ahh. That makes sense. I still wouldn't have thought it would be difficult. I'm sure I've topped up a BMW diff before with no problem. Link to comment Share on other sites More sharing options...
Area Representative paul richards Posted March 19, 2023 Area Representative Share Posted March 19, 2023 Could it be a torx on the BMW diff plug? Link to comment Share on other sites More sharing options...
aerobod - near CYYC Posted March 20, 2023 Share Posted March 20, 2023 BMW diff on my R400D has a 14mm hex fill plug. Link to comment Share on other sites More sharing options...
ScottR400D Posted March 20, 2023 Share Posted March 20, 2023 #41 what year is your car James? Mine is 14mm too, but a 2015 car and the level plug is vertical where this angles downwards, straight at the de Dion. As I've said,a cut down Allen key could well fit but it's hard to even see what the size is. Another option might be to load up weight in the car and then Jack it to see if the de Dion then goes above the plug. Link to comment Share on other sites More sharing options...
ScottR400D Posted March 21, 2023 Share Posted March 21, 2023 This is a pic from above. Plug in usual place but angled downwards and close behind de Dion. A shortened Allen key would probably go in if we only knew what size to cut down! Link to comment Share on other sites More sharing options...
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