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Eric&Barb
Samba Member
Joined: September 19, 2004
Posts: 26202
Location: Olympia Wash Rinse & Repeat
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 Posted: Sun Jul 22, 2018 1:56 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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Remove the top. You can use two crescent wrenches, one big to hold the top and a smaller one to carefully bend each corner of the top upward. Install back in place and DO NOT over torque.
Same trick with one crescent wrench can be done to flatten the flanges of the HEs and intake to carb flange.
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wcfvw69
Samba Purist
Joined: June 10, 2004
Posts: 13699
Location: Arizona
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| Posted: Sat Jul 21, 2018 8:46 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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One time I left the small upper diaphragm spring out. It leaked at the top. I reinstalled it and the leak stopped.
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BarryL 
Samba Member
Joined: November 01, 2004
Posts: 15417
Location: Casa de Oro, California
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| Posted: Sat Jul 21, 2018 6:43 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| The gasket should mate with both surfaces and at all four screws and not even be like that where it sits proud in the middle. |
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oldbusboy
Samba Member
Joined: June 25, 2006
Posts: 623
Location: Bowen Island, BC Canada
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| Posted: Sat Jul 21, 2018 11:57 am Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| Fredrok wrote: |
A pic to match yours Bill. It took 3 gaskets total but it's steady at 2.8psi. It really did not like the initial 4psi and was still unhappy even at 3.2 before the 3rd gasket.
However, it's seeping a bit at the top delivery valve plate and I believe that's because the top has been sucked down through the years and contacts at the corners, not compressing the gasket/ring enough. Will try putting that on a sander to remove a small amount at the corners or Bob that sold me the pump is hunting his stash for a good plate.
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I have just installed my rebuilt Pierburg pump and it is weeping from the top plate as well. I assume I may have over tightened it? Super annoying to get everything in there and to have it now leak.
Trevor
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Fredrok
Samba Member
Joined: July 06, 2014
Posts: 227
Location: Under the evergreens. CO
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| Posted: Mon Mar 07, 2016 8:19 am Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| StockNazi wrote: |
| I would recommend you safety wire all the fuel line connections that have a pressed in fitting. If you have one pull out, clean the connection well, apply a little Loctite and tap it back in. Loctite red should work fine, but if you have some Loctite 680 sleeve retainer, it is more suited to this application. |
Good advice as well, thank you. |
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Stocknazi
Samba Member
Joined: June 18, 2004
Posts: 5541
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| Posted: Sun Mar 06, 2016 7:00 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| wcfvw69 wrote: |
Some people will pull those inlet/outlet pipes out of the pump. They rough up the area of the nipple that goes back into the body of the pump with some sandpaper and then apply a thin coat of JB weld on the outside of the nipple. Obviously, they are careful to not put too much on where it would push inside the pump. Just a thin coat works and they won't come out again nor can you tell the JB weld was applied if done carefully.
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I would recommend you safety wire all the fuel line connections that have a pressed in fitting. If you have one pull out, clean the connection well, apply a little Loctite and tap it back in. Loctite red should work fine, but if you have some Loctite 680 sleeve retainer, it is more suited to this application.
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Fredrok
Samba Member
Joined: July 06, 2014
Posts: 227
Location: Under the evergreens. CO
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| Posted: Sun Mar 06, 2016 6:05 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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A pic to match yours Bill. It took 3 gaskets total but it's steady at 2.8psi. It really did not like the initial 4psi and was still unhappy even at 3.2 before the 3rd gasket.
However, it's seeping a bit at the top delivery valve plate and I believe that's because the top has been sucked down through the years and contacts at the corners, not compressing the gasket/ring enough. Will try putting that on a sander to remove a small amount at the corners or Bob that sold me the pump is hunting his stash for a good plate.
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Fredrok
Samba Member
Joined: July 06, 2014
Posts: 227
Location: Under the evergreens. CO
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| Posted: Tue Mar 01, 2016 7:40 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| Ditto on both accounts guys. I have always carefully slit the fuel hose and sacrificed for a new piece. However, in the last 10 years or so, I've been applying an extremely light coating of clear synthetic or dielectric grease to the ends (all low pressure stuff) with the fuel injection style clamps and have never had a failure and things come apart much easier down the road. Same applies to gaskets you intend to possibly disassemble (playing with fuel pressure, carb swaps, etc) and especially oil filter gaskets (getting away from vintage VW stuff). |
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Eric&Barb
Samba Member
Joined: September 19, 2004
Posts: 26202
Location: Olympia Wash Rinse & Repeat
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| Posted: Tue Mar 01, 2016 6:33 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| wcfvw69 wrote: |
| When they want to remove the fuel line, they tug/pull on it hard which can loosen the nipples or even pull them out. I always use a razor blade and cut the rubber lines off the nipples to prevent that from happening. |
Pushing off on the end of the fuel line with a slot tip screwdriver will keep the flexible German fuel line from gripping down onto the metal lines. German fuel line has same vice like gripping action like Chinese finger cuffs do. The harder you pull the harder they grip onto.
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wcfvw69
Samba Purist
Joined: June 10, 2004
Posts: 13699
Location: Arizona
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| Posted: Tue Mar 01, 2016 6:14 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| Fredrok wrote: |
Great info Bill, thank you. The one that was on there (before it began leaking) was putting out 2.0-2.5 at idle and as low as 1.5psi at high RPMs. BUT, it ran great so I never worried about it.
Ironically, one of the things I didn't like about the Pierburg pump when I was looking at those and going through the engine over a year ago was the press-in hose nipples since I had gone through the trouble of tapping my carb inlet to alleviate the blow-off issue. Who knows, maybe I'll eventually do the same to the pump but I've not read about instances of those blowing off like the carb. |
Some people will pull those inlet/outlet pipes out of the pump. They rough up the area of the nipple that goes back into the body of the pump with some sandpaper and then apply a thin coat of JB weld on the outside of the nipple. Obviously, they are careful to not put too much on where it would push inside the pump. Just a thin coat works and they won't come out again nor can you tell the JB weld was applied if done carefully.
What causes the nipples to get loose is people using the correct German fuel line that grips the nipples on the pump tightly. When they want to remove the fuel line, they tug/pull on it hard which can loosen the nipples or even pull them out. I always use a razor blade and cut the rubber lines off the nipples to prevent that from happening.
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40+ years of VW repair, and VW parts and vehicle restoration experience.
The Samba member since 2004.
**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
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Fredrok
Samba Member
Joined: July 06, 2014
Posts: 227
Location: Under the evergreens. CO
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| Posted: Tue Mar 01, 2016 5:30 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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Great info Bill, thank you. The one that was on there (before it began leaking) was putting out 2.0-2.5 at idle and as low as 1.5psi at high RPMs. BUT, it ran great so I never worried about it.
Ironically, one of the things I didn't like about the Pierburg pump when I was looking at those and going through the engine over a year ago was the press-in hose nipples since I had gone through the trouble of tapping my carb inlet to alleviate the blow-off issue. Who knows, maybe I'll eventually do the same to the pump but I've not read about instances of those blowing off like the carb. |
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wcfvw69
Samba Purist
Joined: June 10, 2004
Posts: 13699
Location: Arizona
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| Posted: Tue Mar 01, 2016 3:56 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| Fredrok wrote: |
| wcfvw69 wrote: |
http://www.thesamba.com/vw/classifieds/detail.php?id=1825136
Here's what you should do. Buy a rebuilt original Pierburg fuel pump. I just linked this one as an example. These were the absolute BEST fuel pumps made for our VW's. If they are using NOS rebuild kits with the correct tensioned diaphragm springs, they will put out 2.5 to 3.0PSI.
I've rebuilt these pumps with NOS rebuild kits and had 3PSI after installation. They will out last any of the "new" POS pumps sold today.
These pumps came with clips on the pivot pin so they don't walk out of the pump body like the new ones do that don't have those clips to secure the pin.
They also have a check valve in them to prevent fuel from going past them and flooding your engine while your VW is parked on a hill nose up. |
Took your advice Bill and bought this one after checking his feedback. I was still uneasy about replacing junk with junk anyway and would rather have an OG, serviceable pump on there. Thanks for the heads up! |
I think that's a great move on your part! Again, I LLOOVVEE those Pierburg pumps. They were so well made that I rarely see any worn parts inside them other than the diaphragms and gaskets. Just double check the inlet and outlet pipes are tight (I'm sure they will be) and put a bunch of grease in the pump lever area before install.
Here's some pictures from when I rebuilt my 67 bug engines pump. In one of the pictures, you can see the engine is running and the fuel pressure gauge is at 3psi. You have to love NOS rebuild kits. 
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Contact me at [email protected]
Follow me on instagram @sparxwerksllc
40+ years of VW repair, and VW parts and vehicle restoration experience.
The Samba member since 2004.
**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours** |
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Fredrok
Samba Member
Joined: July 06, 2014
Posts: 227
Location: Under the evergreens. CO
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| Posted: Tue Mar 01, 2016 11:39 am Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| wcfvw69 wrote: |
http://www.thesamba.com/vw/classifieds/detail.php?id=1825136
Here's what you should do. Buy a rebuilt original Pierburg fuel pump. I just linked this one as an example. These were the absolute BEST fuel pumps made for our VW's. If they are using NOS rebuild kits with the correct tensioned diaphragm springs, they will put out 2.5 to 3.0PSI.
I've rebuilt these pumps with NOS rebuild kits and had 3PSI after installation. They will out last any of the "new" POS pumps sold today.
These pumps came with clips on the pivot pin so they don't walk out of the pump body like the new ones do that don't have those clips to secure the pin.
They also have a check valve in them to prevent fuel from going past them and flooding your engine while your VW is parked on a hill nose up. |
Took your advice Bill and bought this one after checking his feedback. I was still uneasy about replacing junk with junk anyway and would rather have an OG, serviceable pump on there. Thanks for the heads up! |
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wcfvw69
Samba Purist
Joined: June 10, 2004
Posts: 13699
Location: Arizona
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| Posted: Tue Mar 01, 2016 10:01 am Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| BarryL wrote: |
| What are the BBT rebuild kits and where do you get them? |
Barry, I saw them listed once with one of the classic VW parts companies in England. I emailed them to see where they are manufactured and they said Brazil. They said these were good kits. I didn't buy any as I found some NOS rebuild kits from VW of Mexico.
Last I checked, Bug City still had some of the VW of Mexico kits. They are very good.
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Contact me at [email protected]
Follow me on instagram @sparxwerksllc
40+ years of VW repair, and VW parts and vehicle restoration experience.
The Samba member since 2004.
**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours** |
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BarryL
Samba Member
Joined: November 01, 2004
Posts: 15417
Location: Casa de Oro, California
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| Posted: Tue Mar 01, 2016 9:55 am Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| What are the BBT rebuild kits and where do you get them? |
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wcfvw69
Samba Purist
Joined: June 10, 2004
Posts: 13699
Location: Arizona
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| Posted: Tue Mar 01, 2016 7:14 am Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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http://www.thesamba.com/vw/classifieds/detail.php?id=1825136
Here's what you should do. Buy a rebuilt original Pierburg fuel pump. I just linked this one as an example. These were the absolute BEST fuel pumps made for our VW's. If they are using NOS rebuild kits with the correct tensioned diaphragm springs, they will put out 2.5 to 3.0PSI.
I've rebuilt these pumps with NOS rebuild kits and had 3PSI after installation. They will out last any of the "new" POS pumps sold today.
These pumps came with clips on the pivot pin so they don't walk out of the pump body like the new ones do that don't have those clips to secure the pin.
They also have a check valve in them to prevent fuel from going past them and flooding your engine while your VW is parked on a hill nose up.
_________________
Contact me at [email protected]
Follow me on instagram @sparxwerksllc
40+ years of VW repair, and VW parts and vehicle restoration experience.
The Samba member since 2004.
**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours** |
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Fredrok
Samba Member
Joined: July 06, 2014
Posts: 227
Location: Under the evergreens. CO
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| Posted: Mon Feb 29, 2016 10:10 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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| Thanks all. I'm just going to move on to the newer design and play with the pressure if required. That oring isn't round in cross section, it's actually square which limits hardware store options (and fuel compatibility issues, etc.) but then I still have the lower crimped area that I guess is a failure point as well eventually. |
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kreemoweet
Samba Member
Joined: March 13, 2008
Posts: 4134
Location: Seattle, WA
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| Posted: Mon Feb 29, 2016 9:39 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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It's an aftermarket pump. Those never have or had rebuild kits sold. All you need is a rubber washer under that screw head, any decent hardware store should
have multiple suitable washers for that application. Maybe even a faucet bibb washer would do the job, but you might have to enlarge the center screw hole a bit.
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ToolBox
Samba Member
Joined: January 27, 2004
Posts: 3443
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Mon Feb 29, 2016 10:01 am Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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If you have a local seal house just take the old one in and they can match it up. There is a fiber washer on the screw also.
This is my go to for seals and packing - https://www.zatkoff.com |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 53147
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Feb 28, 2016 6:41 pm Post subject: Re: Brosol fuel pump rebuild kit. Obsolete? |
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I've made new gaskets for the upper cover, the issue is when it starts leaking from the lower crimped joint. I'm sure it would be a simple pump to rebuild if it was screwed together opposed to the crimp joint.
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