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stayleft
Samba Member
Joined: January 17, 2012
Posts: 43
Location: Pennsylvania
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 Posted: Mon Dec 28, 2020 7:37 am Post subject: Desperately need a new ATE 300055 or equivalent Brake Booster |
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I can't seem to find a new brake booster for my Vanagon anywhere. Bought a used one that leaked, and two remanufactured boosters that both had vacuum leaks. It's been a real journey. I'd really like to find a new ATE 300055 and be done with it. Thanks for any help.
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1985 GL Wolfsburg Tintop 1.8T |
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4Gears4Tires
Samba Member
Joined: October 08, 2018
Posts: 3025
Location: MD
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MarkWard
Samba Member
Joined: February 09, 2005
Posts: 17117
Location: Retired South Florida
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| Posted: Mon Dec 28, 2020 7:56 am Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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| stayleft wrote: |
| I can't seem to find a new brake booster for my Vanagon anywhere. Bought a used one that leaked, and two remanufactured boosters that both had vacuum leaks. It's been a real journey. I'd really like to find a new ATE 300055 and be done with it. Thanks for any help. |
Just to clarify, You are using a new master cylinder O ring to seal the master to the booster?
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Ahwahnee
Samba Member
Joined: June 05, 2010
Posts: 9798
Location: Mt Lemmon, AZ
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| Posted: Mon Dec 28, 2020 8:09 am Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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| MarkWard wrote: |
| ...You are using a new master cylinder O ring to seal the master to the booster? |
And making very sure the o-ring is seating correctly (e.g. not pinched). |
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hogan029
Samba Member
Joined: October 12, 2014
Posts: 407
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| Posted: Mon Dec 28, 2020 8:10 am Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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| I had the same issue. Ended up being the vacuum line has developed a leak. Might be worth checking out. Also the BMW booster upgrade might be cheaper if you shop around. Good luck! |
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stayleft
Samba Member
Joined: January 17, 2012
Posts: 43
Location: Pennsylvania
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| Posted: Mon Dec 28, 2020 8:16 am Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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I need to speak with my mechanic. I think you guys might have discovered the issue. To have two remanufactured units have a leak seems improbable. I appreciate the suggestions.
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1985 GL Wolfsburg Tintop 1.8T |
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hogan029
Samba Member
Joined: October 12, 2014
Posts: 407
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| Posted: Mon Dec 28, 2020 9:58 am Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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| Ya I hunted my issue down for a month.. Make sure the check valve is also functioning (in engine compartment) . It can cause issues. |
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stayleft
Samba Member
Joined: January 17, 2012
Posts: 43
Location: Pennsylvania
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| Posted: Mon Dec 28, 2020 2:42 pm Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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Thanks hogan029. Will have my mechanic check that as well.
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16863
Location: sticksville, ct.
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| Posted: Mon Dec 28, 2020 7:53 pm Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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Bush power brake inc. in CA does a good job on the rebuilt boosters. not sure where your guy is getting the rebuilds from
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stayleft
Samba Member
Joined: January 17, 2012
Posts: 43
Location: Pennsylvania
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| Posted: Wed Dec 30, 2020 9:41 am Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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I should have used a VW specialist. I use a local guy for things I think are somewhat universal (brakes, etc). I just had him replace the brake master cylinder very recently, and on the way home, I noticed a hissing sound. Did a little research and determined my brake booster must have been shot as well. Made sense that the leaking master cylinder damaged the booster diaphragm. I just got off the phone with him after sending an email about the possibility of a pinched or missing O ring. Turns out, the O ring is completely MIA. I purchased an FTE master cylinder, so it should have been in the box. At this point, I'm happy to know what the issue is, and it's obviously human error on my mechanics part. Thanks to everyone who chipped in on the forum to help out.
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kenwilfy
Samba Member
Joined: February 14, 2004
Posts: 107
Location: Millville, NJ
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| Posted: Tue May 11, 2021 7:12 am Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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We currently have rebuilt brake boosters for the Vanagon in stock. You can find them here:
https://www.vanagain.com/shop/vanagon-power-brake-booster
We have gotten some new ones sporadically in the last month or so, and we may get more but for now the rebuilt ones are a good way to go.
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Thanks,
Ken Wilford
John 3:16
www.vanagain.com
856-327-4936 |
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ALIKA T3
Samba Member
Joined: July 30, 2009
Posts: 6349
Location: Honolulu,Hawaii and France
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| Posted: Wed Jun 22, 2022 3:39 pm Post subject: Re: Desperately need a new ATE 300055 or equivalent Brake Booster |
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| skills@eurocarsplus wrote: |
| Bush power brake inc. in CA does a good job on the rebuilt boosters. not sure where your guy is getting the rebuilds from |
Thanks for the address to rebuild the brake booster. I couldn't find one when I needed it.
Part number 251612101A was ATE 3.6852-1007.4
Part number 251612101 was ATE 3.6852-1009.4
Bendix also had a booster for the Vanagon, found one in an 1988 van.
The LT part number is also listed as a replacement, I found 281612101E was ATE 3.6852-5401.4
281612101H was ATE 3.6852-5403.4
Buslab had ATE 03.6850-5402.4 listed
281612105 was also another compatible booster listed.
I opened an old failed booster out of kicks a couple days ago.
It was working but hissing when brake pedal was applied.
Membrane part number don't turn up anything: 3.6818-5401.1
Membrane made in 1978. Must be standard part across many boosters obviously.
Rubber is of excellent quality, barely cracked.
The seal was made by Kaco for ATE. An interesting piece, no luck with the part numbers either, I didn't measure but must be 42x56mm: QFK 42.56 RGFU02
The ATE part number is 3.6818-5001.1, also looks like made in 1978.
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Silicone Steering Boots and 930 Cv boots for sale in the classifieds.
Syncro transmission upgrade parts in the Classifieds.
Subaru EJ22+UN1 5 speed transmission
http://www.thesamba.com/vw/forum/viewtopic.php?t=416343
Syncro http://www.thesamba.com/vw/forum/viewtopic.php?t=4...num+gadget |
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