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View Full Version : Funny brakes, fixed by provent...



Blknight.aus
24th May 2008, 01:19 PM
For those of you who pay attention... no wait Ive done that line already..

as part of the provent fitout thing Im doing I needed to work on the alternator, part of the reason I chose this is becuase Ive had a funny noise coming from the alternator area of the engine and a wierd problem with the brakes occassionaly Id get variable vacume assist on the brakes.

hands up everyone whose thinking dying vacume pump on the alternator.:arms: I was.

The noise was a small leaf on a twig that was rubbing the inside of the pully and the vac pump worked perfectly... so I was lost the brake problems I was having lead me to believe that it had to be the pump and was thinking more along the lines of having to do the brake booster

when I drove out of the workshop after pulling the vac actuators as part of the prep work I hit the brakes and nearly went through the windshield...

When I got home I tested the actuators on an improvised vac pump made from a brake bleeder and sure enough one of them was leaking and pretty badly.

as I a side point Im wondering how many EGR problems are being caused by an actuator going funny...

mcrover
24th May 2008, 02:28 PM
1 more to add to the TD5 problem file.....:p

Good find Dave, is it the same on Disco's as a mate of mine is having similar problems with his 2001 D2.

Would be great to rock up and fix it for him so I can bag him out for his "Ive got all the 4wd stuff but dont want to scratch it" 4wd :D

He bags out my antiquated D1 all the time so it is only fair :cool:

Blknight.aus
24th May 2008, 02:34 PM
its different but the same... the EU3 has 2 actuators that can leak the pre EU3 only one. (big red is an EU3 spec 02) I cant see them being too far away from where they are in a deefer in the discovery, to isolate them just make up a 1/8th inch blanking hose and fit that in place of the vac t piece on the main vac line to the booster.

mcrover
24th May 2008, 02:39 PM
Cool thanks Dave :D