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Old 10-27-2011, 04:07 PM   eBay Motors  #1 (permalink)
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Question Brake fluid/hydroboost

Hey guys, Saturday I'm going to change the hydro boost fluid (power steering) and Brake fluid as I bought truck with 130,000 miles so I did all fluids already except these 2 and anti-freeze. Anyway, do you guys recommend any certain fluid for the lb7 and do you all happen to know how much of each I'll need? Thanks in advance.
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2003 LB7 4x4 CCSB LT
EFI w/ DSP5 by ATP (Idaho Rob, SickDiesel)
20x9 BMF M80's wrapped in 33x12.5 Cooper Discoverer STT
Tie Rod Sleeves and Rancho shocks
ADII 165, Nicktane CAT adapter with 1R-0750
Autometer Pyro and Boost Sport Comp II's
S&B w/ Profab MP w/ PPE Boost Valve and 4" MBRP TB straight piped w/ 5" tip
All-on mod, High Idle Mod.
Tinted, tow mirrors, blacked out, debaged, painted brake lights

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Originally Posted by Duraskank View Post
I may do some cab lights soon too. I could think of a lot more but I'm done takin a shit so I gotta log off....
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Old 10-27-2011, 06:22 PM   eBay Motors  #2 (permalink)
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::chirp chirp::
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2003 LB7 4x4 CCSB LT
EFI w/ DSP5 by ATP (Idaho Rob, SickDiesel)
20x9 BMF M80's wrapped in 33x12.5 Cooper Discoverer STT
Tie Rod Sleeves and Rancho shocks
ADII 165, Nicktane CAT adapter with 1R-0750
Autometer Pyro and Boost Sport Comp II's
S&B w/ Profab MP w/ PPE Boost Valve and 4" MBRP TB straight piped w/ 5" tip
All-on mod, High Idle Mod.
Tinted, tow mirrors, blacked out, debaged, painted brake lights

Quote:
Originally Posted by Duraskank View Post
I may do some cab lights soon too. I could think of a lot more but I'm done takin a shit so I gotta log off....
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Old 10-27-2011, 06:35 PM   eBay Motors  #3 (permalink)
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I am actually going to be taking these tasks on pretty soon as well. After researching a lot i decided to use all amsoil products... so i am using Amsoil Dot 4 Brake Fluid and Amsoil Power steering fluid... i cant comment on how well it works but from MY research, this is what i found to be recommended.
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2003 LB7 EC/LB
Engine: AFE intake, Edge ez-amp, 4'' Flowmaster
Exterior: Fabtech 8'' w/ dual shock hoop, bilstein 5100's, 35'' Cooper Stt's, Raceline wheels.
Interior:pyrometer and turbo gauges, two 10'' subs in custom box.
Misc:Protech headache rack and toolbox.

Future: ADII, EFI live DSP5 switch
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Old 10-27-2011, 06:49 PM   eBay Motors  #4 (permalink)
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I use regular DOT3 fluid for the brakes. There, time is the enemy for fluid contamination. Flush yearly.

Iím using the Purple stuff For the PS/HB. Itís holding up the best so far against the Heat.
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Old 10-27-2011, 06:53 PM   eBay Motors  #5 (permalink)
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i grabbed the gal jug at the parts store. there's a good DIY on here about it. the guy who wrote it has been testing quite a few types and they all seem the same, its the changing it regularly that seems to be more important

read this --> http://www.duramaxforum.com/forum/ho...ost-flush.html

edit--- the guy above me is the one who wrote it
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Last edited by rebpdt; 10-27-2011 at 06:54 PM. Reason: duh...
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Old 10-27-2011, 07:36 PM   eBay Motors  #6 (permalink)
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Thanks Reb and awesome DIY horns. This forum is awesome.
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2003 LB7 4x4 CCSB LT
EFI w/ DSP5 by ATP (Idaho Rob, SickDiesel)
20x9 BMF M80's wrapped in 33x12.5 Cooper Discoverer STT
Tie Rod Sleeves and Rancho shocks
ADII 165, Nicktane CAT adapter with 1R-0750
Autometer Pyro and Boost Sport Comp II's
S&B w/ Profab MP w/ PPE Boost Valve and 4" MBRP TB straight piped w/ 5" tip
All-on mod, High Idle Mod.
Tinted, tow mirrors, blacked out, debaged, painted brake lights

Quote:
Originally Posted by Duraskank View Post
I may do some cab lights soon too. I could think of a lot more but I'm done takin a shit so I gotta log off....
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Old 10-27-2011, 07:42 PM   eBay Motors  #7 (permalink)
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NP

it made mine so MUCH smoother afterwards
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CCSB LB7 4x4
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Old 10-27-2011, 07:45 PM   eBay Motors  #8 (permalink)
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yeah, I did brakes and rotors all the way around when I bought truck and all fluids except brake/ps and I had that "spongy" brake feeling. I knew I seated the pads right and I even use a air polisher to clean corrosion off the brackets before I put new pads in. Hopefully this will take care of it!
__________________
2003 LB7 4x4 CCSB LT
EFI w/ DSP5 by ATP (Idaho Rob, SickDiesel)
20x9 BMF M80's wrapped in 33x12.5 Cooper Discoverer STT
Tie Rod Sleeves and Rancho shocks
ADII 165, Nicktane CAT adapter with 1R-0750
Autometer Pyro and Boost Sport Comp II's
S&B w/ Profab MP w/ PPE Boost Valve and 4" MBRP TB straight piped w/ 5" tip
All-on mod, High Idle Mod.
Tinted, tow mirrors, blacked out, debaged, painted brake lights

Quote:
Originally Posted by Duraskank View Post
I may do some cab lights soon too. I could think of a lot more but I'm done takin a shit so I gotta log off....
Cameron10483 is offline   Reply With Quote Quick reply to this message
Old 10-29-2011, 06:14 AM   eBay Motors  #9 (permalink)
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Quote:
Originally Posted by Cameron10483 View Post
yeah, I did brakes and rotors all the way around when I bought truck and all fluids except brake/ps and I had that "spongy" brake feeling. I knew I seated the pads right and I even use a air polisher to clean corrosion off the brackets before I put new pads in. Hopefully this will take care of it!

You may also want to replace the rubber flex lines if they are old/cracked as they tend to get more spongy over time. If you do the brake bleeding, then if you have access to compressed air you can make a very cheap power bleeder that works great. Make sure to use no more than 10-15 psi max and don't let the master cylinder run out of brake fluid.

Here's the DIY power bleeder (works great!):
Brake Bleeder - a set on Flickr
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Old 10-30-2011, 05:47 PM   eBay Motors  #10 (permalink)
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Actually just ended up doing the Hydro flush and it works awesome now. Thanks for the tip though, I'll keep it in mind.
__________________
2003 LB7 4x4 CCSB LT
EFI w/ DSP5 by ATP (Idaho Rob, SickDiesel)
20x9 BMF M80's wrapped in 33x12.5 Cooper Discoverer STT
Tie Rod Sleeves and Rancho shocks
ADII 165, Nicktane CAT adapter with 1R-0750
Autometer Pyro and Boost Sport Comp II's
S&B w/ Profab MP w/ PPE Boost Valve and 4" MBRP TB straight piped w/ 5" tip
All-on mod, High Idle Mod.
Tinted, tow mirrors, blacked out, debaged, painted brake lights

Quote:
Originally Posted by Duraskank View Post
I may do some cab lights soon too. I could think of a lot more but I'm done takin a shit so I gotta log off....
Cameron10483 is offline   Reply With Quote Quick reply to this message
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