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Car Forum / Nissan / Nissan Cars / April 2005Pathfinder Brakes
The brakes on my 95 P'Finder are kind of spongy. Rebled the system, completely replace the fluid and no change. Went through the diagnostics in the Nissan shop manual. Everything is working right. Just real soft. Anyone with similar experience and possibly a fix? Taco master cylinder possibly? > The brakes on my 95 P'Finder are kind of spongy. Rebled the system, > completely replace the fluid and no change. Went through the diagnostics in > the Nissan shop manual. Everything is working right. Just real soft. > Anyone with similar experience and possibly a fix? > > Taco You mean trapped air or bad seal? Taco > master cylinder possibly? > > The brakes on my 95 P'Finder are kind of spongy. Rebled the system, [quoted text clipped - 4 lines] > > > > Taco I think he/she meant replace it due to age and possible internal corrosion due to not flushing your brake fluid every now and then. One thing that came to my mind for `weak' braking was non-genuine Nissan premium pads (or contaminated pads - gunk from the road, something leaked onto them, etc.) or shoes and also don't forget about replacing your front rubber brake hoses. Always a good thing to do after 9 years anyway as the rubber deteriorates and `gives', hence a possible spongy condition. Wil >You mean trapped air or bad seal? >Taco [quoted text clipped - 7 lines] >> > >> > Taco Can pads make the breaks feel spongy? Installed the pads about 8 months ago. They were not Nissan and probably the ones before weren't either. The new set of pads did not seem to make a difference. Good advice about the brake hoses. They weren't leaking but maybe they got soft. Brakes still stop pretty good. I also drive a Miata and the transition from rock hard to squishy is a little disconcerting. Taco > I think he/she meant replace it due to age and possible internal > corrosion due to not flushing your brake fluid every now and then. [quoted text clipped - 18 lines] > >> > > >> > Taco They could if they are contaminated, but I'd still replace the hoses. >Can pads make the breaks feel spongy? Installed the pads about 8 months >ago. They were not Nissan and probably the ones before weren't either. The [quoted text clipped - 29 lines] >> >> > >> >> > Taco Sounds like air in the system probably cause you missed the brake line junction nipple above the rear diff When you bleed the system remember to bleed the nipple above the rear diff this part acts as a proporsion valve ensuring the balance between front and rear brakes remember to start the bleed from the furtherest corner from the master cylinder working your way in > You mean trapped air or bad seal? > Taco [quoted text clipped - 8 lines] >> > >> > Taco Check the brake hoses to make sure they are not soft. Nex, bleed the brakes with Ford High Performance Fluid. This stuff is not synthetic so it will not screw up the brakes and has twice the boiling point of others. Five bucks a quart at Ford and you have to speciffically ask for the Ford High Performance Brake Fluid or they will sell you the rebular stuff. You use this stuff and your brakes will work better than new. Also, flush the brake fluid every two years if you really want to have good brakes. > The brakes on my 95 P'Finder are kind of spongy. Rebled the system, > completely replace the fluid and no change. Went through the diagnostics in > the Nissan shop manual. Everything is working right. Just real soft. > Anyone with similar experience and possibly a fix? > > Taco Same thing happened to my 92. The answer for me was more obvious- my master cylinder had a very slow leak (fluid found on the the booster and of course the resevior dropped over time). Anyway, put a new master cylinder in and the brakes feel good again. MM > The brakes on my 95 P'Finder are kind of spongy. Rebled the system, > completely replace the fluid and no change. Went through the diagnostics [quoted text clipped - 3 lines] > > Taco |
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