brake booster nipple removal. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Nodnarb76 · 01-07-2016, 08:18 PM

Got my motor in today, and when looking over the motor, looks like I will need to install the nipple into the rear of the intake for my brake booster.
I happen to work for a dealership and we actually had an old intake manifold for my motor laying around.
I could not figure out how to remove the nipple from the manifold. I can't pull it out and it won't unscrew. Any Ideas?

**First c10** · 01-07-2016, 08:38 PM

Push in the on whole nipple and red collar. Hold the red collar in and the nipple should pull out.

Nodnarb76 · 01-07-2016, 10:16 PM

Ok now the dumb question.... Push in on the red collar toward the manifold right?
Sorry manifold is at work and I'm home now so it's not in front me to fiddle with. Seems like I tried all sorts of combinations trying to remove it, just wanting to make sure I'm pushing in the right direction.
Again sorry for the dumb question and thanks for the help!

**First c10** · 01-07-2016, 10:18 PM

In the current picture you need to push in on the red collet toward the manifold and the nipple should slide out nice and easy.

**First c10** · 01-07-2016, 10:21 PM

Like this.

Nodnarb76 · 01-08-2016, 12:48 AM

Awesome thank you now I get it.
Will try as soon as I get to work tomorrow.

**truckdude239** · 01-08-2016, 01:17 AM

Is there any numbers on the plug you have? Alot of us have been trying to find thT plug i just have mine caped off

BR3W CITY · 01-08-2016, 02:18 AM

Truckdude are you looking for the actual vacuum nipple piece? (what he shows in the pic).
or are you looking for a factory part to block that port off?

LeesTruk · 01-08-2016, 07:22 AM

TruckDude, the 5.3l for my swap, came from a Tahoe with hydraboost, and had the plug in the plenum. I removed the plug for a vacuum nipple. If you need a plug, you can have mine (I saved it). PM me if you want it

Lee

Nodnarb76 · 01-08-2016, 08:52 AM

Thanks again guys. I got to work this morning and it came right off. Thank you again.

solidaxel · 01-08-2016, 09:14 AM

Removing that plug was the first TRICK the folks on here taught me about L S engines!!
The fuel lines was the second one, but I needed a tool

**First c10** · 01-08-2016, 02:52 PM

Quote:

Originally Posted by Nodnarb76

Thanks again guys. I got to work this morning and it came right off. Thank you again.

Glad it worked out.

Guys I removed the nipple and installed a tee 1 vacuum line to the booster and another one to the AC canister

**truckdude239** · 01-08-2016, 09:36 PM

Quote:

Originally Posted by BR3W CITY

Truckdude are you looking for the actual vacuum nipple piece? (what he shows in the pic).
or are you looking for a factory part to block that port off?

Been trying to find the factory plug i have manual brakes. I have mine caped off with a rubber cap and hose clamp and ive replaced it twice already cause the one the parts stores sell keep dry rotting and leaking.

I had my dealer try to find the part numer but they had no luck

ls1nova71 · 01-09-2016, 12:24 AM

I have never found a GM part number for the plug and i have been looking for years. In this thread is some info on what will also work. Post #6 http://ls1tech.com/forums/conversion...l#post18528131

**truckdude239** · 01-22-2016, 02:14 PM

https://m.mscdirect.com/mobileweb/pr...tedParts=false

Found this

01-07-2016, 08:18 PM	#1
Nodnarb76 Registered User Join Date: May 2013 Location: Mississippi Posts: 501	brake booster nipple removal. Got my motor in today, and when looking over the motor, looks like I will need to install the nipple into the rear of the intake for my brake booster. I happen to work for a dealership and we actually had an old intake manifold for my motor laying around. I could not figure out how to remove the nipple from the manifold. I can't pull it out and it won't unscrew. Any Ideas? Attached Images __________________ 1987 R20 Suburban LQ4/4L80e swap: http://67-72chevytrucks.com/vboard/s...d.php?t=693824

01-07-2016, 08:38 PM	#2
First c10 Registered User Join Date: Dec 2012 Location: Los Banos CA Posts: 2,705	Re: brake booster nipple removal. Push in the on whole nipple and red collar. Hold the red collar in and the nipple should pull out. __________________ 1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR SOLD GO GO!!!

01-07-2016, 10:16 PM	#3
Nodnarb76 Registered User Join Date: May 2013 Location: Mississippi Posts: 501	Re: brake booster nipple removal. Ok now the dumb question.... Push in on the red collar toward the manifold right? Sorry manifold is at work and I'm home now so it's not in front me to fiddle with. Seems like I tried all sorts of combinations trying to remove it, just wanting to make sure I'm pushing in the right direction. Again sorry for the dumb question and thanks for the help! __________________ 1987 R20 Suburban LQ4/4L80e swap: http://67-72chevytrucks.com/vboard/s...d.php?t=693824

01-07-2016, 10:18 PM	#4
First c10 Registered User Join Date: Dec 2012 Location: Los Banos CA Posts: 2,705	Re: brake booster nipple removal. In the current picture you need to push in on the red collet toward the manifold and the nipple should slide out nice and easy. __________________ 1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR SOLD GO GO!!! Last edited by First c10; 01-07-2016 at 10:29 PM.

01-07-2016, 10:21 PM	#5
First c10 Registered User Join Date: Dec 2012 Location: Los Banos CA Posts: 2,705	Re: brake booster nipple removal. Like this. Attached Images __________________ 1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR SOLD GO GO!!!

01-08-2016, 12:48 AM	#6
Nodnarb76 Registered User Join Date: May 2013 Location: Mississippi Posts: 501	Re: brake booster nipple removal. Awesome thank you now I get it. Will try as soon as I get to work tomorrow. __________________ 1987 R20 Suburban LQ4/4L80e swap: http://67-72chevytrucks.com/vboard/s...d.php?t=693824

01-08-2016, 01:17 AM	#7
truckdude239 Senior Member Join Date: Sep 2005 Location: Lewisville, Nc Posts: 10,237	Re: brake booster nipple removal. Is there any numbers on the plug you have? Alot of us have been trying to find thT plug i just have mine caped off __________________ David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube

01-08-2016, 02:18 AM	#8
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: brake booster nipple removal. Truckdude are you looking for the actual vacuum nipple piece? (what he shows in the pic). or are you looking for a factory part to block that port off? __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

01-08-2016, 07:22 AM	#9
LeesTruk Registered User Join Date: Mar 2015 Location: Manchester, CT Posts: 433	Re: brake booster nipple removal. TruckDude, the 5.3l for my swap, came from a Tahoe with hydraboost, and had the plug in the plenum. I removed the plug for a vacuum nipple. If you need a plug, you can have mine (I saved it). PM me if you want it Lee

01-08-2016, 08:52 AM	#10
Nodnarb76 Registered User Join Date: May 2013 Location: Mississippi Posts: 501	Re: brake booster nipple removal. Thanks again guys. I got to work this morning and it came right off. Thank you again. __________________ 1987 R20 Suburban LQ4/4L80e swap: http://67-72chevytrucks.com/vboard/s...d.php?t=693824

01-08-2016, 09:14 AM	#11
solidaxel Registered User Join Date: Dec 2002 Location: Cactus Patch So. Az Posts: 4,749	Re: brake booster nipple removal. Removing that plug was the first TRICK the folks on here taught me about L S engines!! The fuel lines was the second one, but I needed a tool __________________ 53 TuTone Extended Cab 350 4-Spd 3:08 (SOLD) 53 Chevy Moldy pearl green ZZ-4 4L60E 9" 3:25 55 GMC 1st Black Mll (ZZ4) ZZ6 TKO 600 5 sp 3:73 62 Solidaxle Corvette Roman Red (327 340hp 4spd 3:36) C4 & C5 suspension tube chassis LS 3 4L70E 65 Corvette Coupe 327 350hp 4spd 4:11 78 Black Silverado SWB (350/350) 5.3 & 4L60E 3:42 2000 S-Type 3.0 (wife cruiser) 2003 GMC SCSB 5.3 4L60E 3:42

01-09-2016, 12:24 AM	#14
ls1nova71 Registered User Join Date: Dec 2009 Location: Independence Mo Posts: 4,119	Re: brake booster nipple removal. I have never found a GM part number for the plug and i have been looking for years. In this thread is some info on what will also work. Post #6 http://ls1tech.com/forums/conversion...l#post18528131 __________________ My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html

01-22-2016, 02:14 PM	#15
truckdude239 Senior Member Join Date: Sep 2005 Location: Lewisville, Nc Posts: 10,237	Re: brake booster nipple removal. https://m.mscdirect.com/mobileweb/pr...tedParts=false Found this __________________ David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube

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