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Having trouble figuring out what part this is - 88 TII

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Old Apr 25, 2016 | 09:38 PM
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Having trouble figuring out what part this is - 88 TII

Can anyone tell me what this is? It's on an 88 TII
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Old Apr 25, 2016 | 10:12 PM
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Brake line splitter
T pressure fitting
etc.

It can be called a lot of things, I don't know what Mazda calls it. You can purchase them at any auto parts store. Make sure you get one with the right fitting input (bubble vs. double flare).
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Old Apr 25, 2016 | 10:26 PM
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Someone told me it's the brake proportioning valve, I looked it up and it's exactly what I need. Only thing is that the ones i'm finding are aftermarket and instead of 2 lines in and 2 lines out, they have 1 in and 1 out. Is it possible to bypass that or join the two lines together somehow?
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Old Apr 26, 2016 | 06:19 AM
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Originally Posted by Ghech16
Someone told me it's the brake proportioning valve, I looked it up and it's exactly what I need. Only thing is that the ones i'm finding are aftermarket and instead of 2 lines in and 2 lines out, they have 1 in and 1 out. Is it possible to bypass that or join the two lines together somehow?
Check out speedwaymotors IIRC they have a double line in/out break proportioning valve
GL Rikk
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Old Apr 26, 2016 | 06:41 AM
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that is just a simple block at the rear axle that allows the single brake line to split off to each rear wheel. the proportioning valve is the 43-900 in the pic and is located under the hood and mounted to or near the brake booster.
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Old Apr 26, 2016 | 04:24 PM
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It's just a block of metal that TEE's The rear brake lines..has a hole in it to get bolted to the frame.(10 mm bolt)

As my Good Buddy above said the proportioning valve is located bolted to the brake booster.(with a 10mm bolt,on a bracket)
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Old Apr 26, 2016 | 04:56 PM
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Sorry, I posted without noticing the illustration, it was early
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Old Apr 26, 2016 | 08:16 PM
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Do I need that block? If so where can I get it because mine is broken. Thanks for all the replies.
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Old Apr 26, 2016 | 11:39 PM
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Yes.. you need that block as it divides the ONE main line to the rear and splits it in 2,to go the right and left calipers.Like a TEE.
Without that you get ONE Brake,as you gotta hook the line to somewhere....or NO brakes if you haven't got that part period.
If you want one then gain posts and put up a "Wanting to Buy" in the Classifieds.
You can also try the part# listed in your illustration and call Mazda and see if you can order one.

Just a "heads up" this section is a TECH section so we kindly ask that you please do not ASK for parts here.

Also,if this part seems confusing it sort of indicates that your ability may be lacking in the mechanical aspects of an automobile.
Since this is a Safety issue and you may not be familiar with the overall scope of this part then I would respectfully suggest you finding someone who may be able to assist you with your issue.
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