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Brake question

Tech Talk for Nissan owners.

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Posts: 28
Joined: Sun Apr 11, 2004 9:34 am
Location: Kiama

Brake question

Post by Soundsgood »

I'm having trouble with bleading the brakes. I have installed GU diff's and brakes in my GQ (not that I think that should matter) and having trouble getting pressure on the peddle. It will pump up and from the fluid dropping in the resivour I think its the front pumping up. If it sits for a few moments the level rises again. I have tried bleading heaps of times but I'm thinking it still has air in it. Could it be anything else? Is there some trick to bleading the front?

Cheers
Bruce
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Re: Brake question

Post by bogged »

are you bleeding ech section of from master cyl down to the wheels one at a time, or just bleeding straight from the calipers first off/??
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Post by adriand82 »

make sure u bench bleed the master 1st, then bleed from the closest wheel (drivers front) and work your way back to the furthest.
96 GQ LWB, Rd28T, nothing exciting, but CLEAAAAAN. 2" Kings flexy's, long shocks, custom dump, 3" zorst, fuel screw meddled with.
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Post by Soundsgood »

I have just been bleeding the calipers. What does bench bleed mean?

Cheers
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AJS
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Post by AJS »

Bleed the left rear, right rear, proportioning valve, left front and then right front.
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Post by coxy321 »

AJS wrote:Bleed the left rear, right rear, proportioning valve, left front and then right front.
Thats how i've always done it. Start from the furthermost caliper/drum, then work your way to the closest.

I do a bulk bleed first, then a pressure bleed next, followed by a final pressure bleed.

Make sure your proportioning valve is open too!

Coxy
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Post by bogged »

Soundsgood wrote:I have just been bleeding the calipers. What does bench bleed mean?

Cheers
http://www.superchevy.com/technical/cha ... index.html

This one has a clip on it
http://www.denlorstools.com/home/dt1/pa ... ticle.html
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Post by pongo »

coxy321 wrote:
Make sure your proportioning valve is open too!

Coxy
how do you do this one coxy, I guess MQ are the same,

Cheers
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Post by coxy321 »

The little swing lever needs its adjusting bolt screwed all the way in, which will in turn fully open the proportioning valve. A lot of the "tighter" 4wd enthusiasts (including myself) do this when we lift our cars as opposed to buying and fitting the special brackets for lifted cars.
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Post by Soundsgood »

Thanks all. Have fixed the problem - my fault. Its been a long project. When I fitted the calipers I fitted them to the wrong sides. That left the bleed nipple on the bottom, not on top.
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