andybriggs Posted March 5, 2012 Share Posted March 5, 2012 I found a small amount of oily fluid under the rear near-side wheel after driving the car for 3 miles and leaving it overnight with handbrake on. It has splashed radially up the inside of the tyre so appears to have dripped when moving. However, there was nothing on the floor before I drove it and nothing has appeared in the 5 days since despite holding the brake pedal down hard for a minute. This is on a 3 year old de-dion car. Any ideas please? Link to comment Share on other sites More sharing options...
Z3MCJez Posted March 5, 2012 Share Posted March 5, 2012 Did you have a car with a rear brake caliper recall? Mine is a 58 plate and I think it also affected the 09 and 59 plate cars. Symptom in mine was leaking fluid when the handbrake was applied *HARD*. Jez Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted March 5, 2012 Share Posted March 5, 2012 Always best to smell it and run it between your fingers ? Probably brake fluid. Maybe something you drove through ? Diff drive shaft leak - running along drive shaft or chassis ? Link to comment Share on other sites More sharing options...
andybriggs Posted March 5, 2012 Author Share Posted March 5, 2012 I bought it at Christmas and the paperwork shows the first owner has already had replacement calipers from the factory under the recall. Link to comment Share on other sites More sharing options...
andybriggs Posted March 5, 2012 Author Share Posted March 5, 2012 No signs of anything running along driveshafts. No sign from brake pipe union. No sign from damper. When I took the wheel off there was one drip under the inner caliper piston but no sign of anything since after 4 days and pumping brake pedal. Edited by - andybriggs on 5 Mar 2012 21:50:33 Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted March 5, 2012 Share Posted March 5, 2012 Undo the bolts that hold the two parts of the caliper together (need a spanner on the nut) and lift the top part off (mind the brake pipe). Carefully pick up the outer edge of the rubber dust seal to see if there is brake fluid under it. There shouldn't be. Link to comment Share on other sites More sharing options...
Roadsport06 Posted March 5, 2012 Share Posted March 5, 2012 To help you do as SM25T suggests in order to investigate brake fluid leaking use Myles' website here. When putting it back together (if there is no sign of leaking) you do up the bolt labelled as "B" on Myles site. It will need some loctite on it and then torqued to 35 Lbft. Edited by - Roadsport06 on 5 Mar 2012 22:16:19 Link to comment Share on other sites More sharing options...
andybriggs Posted March 6, 2012 Author Share Posted March 6, 2012 Thanks for your suggestions and that is a useful site. I will give it a try and let you know what I find as it must be a small piston leak even if very intermittent. It is strange that it happened once and then not again. Link to comment Share on other sites More sharing options...
Myles Posted March 6, 2012 Share Posted March 6, 2012 and that is a useful site. Can you tell that I had plenty of time on my hands in those days! 😬 Link to comment Share on other sites More sharing options...
tbird Posted March 6, 2012 Share Posted March 6, 2012 Keep Tomcats out of the Garage ! Tim Link to comment Share on other sites More sharing options...
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