Brake Proportioning Valve Bracket

#1 05-07-2005, 02:05 PM

Ok, I just installed a 2.5" lift on my 99 Tacoma and the kit came with the BPV bracket that mounts to the rear axle that raises the BPV up to compensate for the lift. How important is it to install this new bracket? The bracket doesn't fit to well, I have to unbolt the brake line that is also located in the same place that the BPV is bolted to and with the bracket installed there really isn't any way to mount the brake line that runs along the axle that I like. Any sugesstions? I'm not sure what to do. Thanks for the help in advance.

http://www.toyteclifts.com/install2.html
*here is a picture to help show kind of what I am talking about...the pic makes it look so simple and clean but the problem Im having is the bolt and holder that holds the brake line to the axle are interfearing witht this new BPV bracket.

wisctaco04 · #2 05-07-2005, 04:34 PM

Hit a gravel road doing 40-50 around a good size bend, lock the brakes up, see how bad it is. The ABS will kick in but the front will lock up and you will slide off the road. You need some braking power to the rear or you are using only the front wheels to control the vehicle. I have a solid mount heim joint to adjust mine and it makes a scary difference not having any rear power. My bias is the same with/without a load which sucks but If I had no power in the back I would be very concerned. It's ok to put my life in danger by myself but when another rig skids in my lane I may just pull the .45 Glock from under the seat and have some words. In my eperience it's worth the effort to make it work. Use a little ingenuity and you will be fine.

brayboy · #3 05-07-2005, 11:04 PM

Hi, that pic you provided doesn't look right to me. The bottom of the bracket(2 holes) should be lifted and bolted to where the lever is bolted now(which looks like the stock location). The whole bracker will be raised and the BPV lever will bolt to the top 2 holes in the bracket, lifting the lever close to the same angle it was before lifting. If this makes no sense, I can take a pic tomorrow (when it is light) if you can't understand what I am saying. Bray [img]/ubbthreads/images/graemlins/40BEER.gif[/img]

brayboy · #4 05-07-2005, 11:16 PM

I stand corrected. I went out to take a look at my bracket and this is the correct mounting position. The only diff I see is that my brake line semmed to be more flush with my axle and fit between the 2 sets of mounting bolts. I also bent mine slightly back towards the rear of the truck to help clear the line. And I do think you should install the bracket. It will get your brakes pressure ratio (front-to-back) closer to the original settings. I hope this helps. Let us know if you have anymore questions. Bray [img]/ubbthreads/images/graemlins/40BEER.gif[/img]

#5 05-07-2005, 11:24 PM

Did you have any issues with the bolt that is second from the top interfearing with the bolt that holds the brake line to the axle? The picture I provided was from the mfg. that I bought my lift from. I think I may just get a bolt that has a pan head rather than the hex head, that may give me a little more clearance. I guess I could just take the bolt out that holds the brake line on the axle and not worry about it, but I don't want it to be to loose and start rubbing. I even tried bending the bracket a little bit like you said, but then it interfears with the emergency brake line. I could also make a new bracket that is maybe an inch or so longer which would probably aleviate my problems but I don't know if that would cause a problem with breaking. Thanks for the help.

brayboy · #6 05-09-2005, 01:14 AM

I did make my own bracket & so it would just clear those brake line mounting bolts. Again, I had to slightly bend the bracket also. The proportion of the brakes are like 65-70% front/ 30-35% rear,so a little higher will not make a big change to the proportion % ratio. You'll notice a big change. Look in my profile and you'll see where I added S/S brake lines (extended). Since your truck is a '99, you may need new lines too and these help the performance (do not expand like the rubber ones) of your braking by a big margine. Well worth it. Bray [img]/ubbthreads/images/graemlins/40BEER.gif[/img]

tacoDan01 · #7 05-09-2005, 01:22 PM

Another thing that makes this hard is depending on which year your tacoma is, they (slightly) moved the position of that brake line. Some people run into more issues than others, but it makes it hard to explain what to do when the person's truck might not be the same as yours. As always though Bray, your input is great.

This is something I've been meaning to do for the past year since I did my lift. What did you guys use for the bracket? Just a peice of scrap steel or something?

brayboy · #8 05-09-2005, 10:28 PM

Danny, I got a piece of stock(1X4-6)steel that was weather treated from Lowe's. I had to drill a couple of holes but there were some already there I could use. So in your words, scrap would work fine. Bray
P.S. It's good to see ya here and thanks but your compliments right back at ya! [img]/ubbthreads/images/graemlins/40BEER.gif[/img]

tacoDan01 · #9 05-10-2005, 01:40 AM

Cool, we don't have a lowe's near here that i know of, but :censored::censored::censored::censored: depot hopefully has something like that. I try to come around when I can, but I'm getting married in July and the planning etc. is eating time like no other. That and switching jobs and trying to buy a house...well you get the picture. I'm hoping to start working on my truck more after I get married and finally work up that tube bumper I've been planning. I'll post pics of course when that happens.

later!
dan

brayboy · #10 05-12-2005, 12:12 AM

Congrats Danny on the engagement! Yea, my bride and I had what we felt was a late start for a relationship (lifetime). We crammed getting married, building a house & having a child in a 3-year period. It was very busy but still is more than worth it. But all this does dip into some great mod funds if you know what I mean.
Funny you should mention a front tube, because I've been thinking of doing some cutting away or totally removing the front bumper(stock) and doing some serious beefing up of my flimsey prerunner POS, like 4 points to frame and skids. Anyway, get back soon with some pics of the tubular creation. I'm sure it will be great. Bray [img]/ubbthreads/images/graemlins/40BEER.gif[/img]