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Drivetrain - 2001 - 2010 Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. First through fourth generation...

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Old 04-12-2019, 10:42 AM   #21 (permalink)
Rvn4me
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GM Part No.:20940394 Booster Asm-Power Brake
Part Description BOOSTER, Hydraulic Power Brake Booster
Replaced By 19371361


Last edited by Rvn4me; 04-12-2019 at 10:44 AM.
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Old 04-12-2019, 11:45 AM   #22 (permalink)
mp06011999
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Quote:
Originally Posted by jake111 View Post
As you can see a few posts ago, MP "challenged" me that I would get over loving the 2011 HB (my original one was leaking, too). As MP mentioned above, the 2011 HB is way cheaper!! After 3 months and 3000 miles, I'm still liking the braking improvement.

Performance, grade-wise, I would have given the 2004 OEM brakes a C+. Now I would give them a B+. (Longevity, at least for those of us who live in desert or semi-desert areas, is A+)

The biggest thing I notice is that I have always clicked on Tow-Haul when braking, especially with the camper in the bed, to help slow it down. I'm using it a lot less for that now.

Maybe my honeymoon will end in the future as the power steering fluid ages. I have gotten into the habit of sucking the PS reservoir and filling with fresh fluid at every oil change.
lol

I don't drive the ol' girl much. As such, after driving my 2012 Tacoma for days, I hopped into the LBZ and was impressed with the brakes. I had just spent a week worrying I had a brake issue. Turned out no. But when I got back in 'er, man, what great stopping and pedal response this big truck has. The brakes are definitely fitting for such a large towing machine.

I too use tow mode for "engine braking" on declines. I also downshift my gassers on declines. Never lost a tranny and brakes last way longer than my two-speed wife's cars with her "brake and gas" driving.

I like the PS fluid change you do at oil changes. Think I'll start that. Add brake fluid to that list too. And think I'll add brake caliper 'service' to my tire rotations. I only rotate them like once in 7 years so that's an easy one.

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Last edited by mp06011999; 04-12-2019 at 11:46 AM.
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Old 04-15-2019, 02:07 PM   #23 (permalink)
Diggin Deeper
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I called my local Napa and O'Reilly store and both said the hydraboost for a 2011 was special order. Rockauto only offered a return and rebuild.
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Last edited by Diggin Deeper; 04-15-2019 at 02:27 PM.
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Old 04-15-2019, 02:41 PM   #24 (permalink)
OkDually
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Quote:
Originally Posted by Diggin Deeper View Post
I called my local Napa and O'Reilly store and both said the hydraboost for a 2011 was special order. Rockauto only offered a return and rebuild.
Rockauto shows 2 reman choices:
https://www.rockauto.com/en/catalog/...e+booster,1884
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Old 04-16-2019, 02:10 AM   #25 (permalink)
jake111
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Are we allowed to mention Amazon? AMAZON!!
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Old 04-17-2019, 03:57 AM   #26 (permalink)
jake111
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Originally Posted by jake111 View Post
Are we allowed to mention Amazon? AMAZON!!
Dang it. Now says out of stock and they don't know when they'll have it again.
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TxC V2 aux radiator w/Fan (leaked after 12 yrs), engineer837 aux rad , TxC CAI, LBZ MP, Scangauge II, Nicktane aux filter head, KD lift pump, 2008 PS pump, 2011 hydroboost, Frederico Swaybars, Rancho 9000XL, Torklift StableLoads, BFG AT/KO2, Lance 835 Camper often in the bed.
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Old 05-20-2019, 02:48 PM   #27 (permalink)
Lingus
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Another model number out for the 2011 booster.

https://www.rockauto.com/en/catalog/...e+booster,1884
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Old 06-06-2019, 09:00 AM   #28 (permalink)
demosswelding
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Some of the 2011 hydroboost have a shorter rod. I attempted this modification on my 2006 and just my luck the plunger rod is significantly shorter. I climbed up under the dash and measured it to bed I could and compared to my old one. It is roughly an inch shorter.
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