| Author |
Message |
atye
Samba Member
Joined: September 02, 2004
Posts: 580
Location: Peachtree City, GA
|
 Posted: Tue Mar 09, 2010 6:13 am Post subject: SOLVED: Clogged passage - Kadron/Solex |
 |
|
I have a clogged passage on a Kadron/Solex carb that I cannot get opened up. The carbs are almost new, low miles, but have been sitting for a while and the gas turned into gummy goop. I cleaned one, no problem, but the other is refusing to cooperate. I am new to Kadrons and need some help on what is the best way to fix this issue.
On the clean carb, if I squirt carb cleaner into "A", it comes out at "1", "2", and "3". On this carb, nothing. It just blows right back out of the hole. I was able to pull some of the gummy stuff out, and I have soaked the carb in the Berryman stuff from my FLAPS. Still no difference. Well, besides the Berryman carb cleaner turning a nice shiny carb into something that looks like it survived an engine fire...Thanks, Berryman!
Is it possible to remove the jet "2" to allow access to this area? Any other ideas on how to clean it?
_________________
Alex
1990 Audi 90q 20v sedan
1998 Suzuki Sport Sidekick
2002 Suzuki Grand Vitara
2005 Subaru Legacy GT wagon 5spd Turbo AWD
Last edited by atye on Wed Mar 10, 2010 5:57 am; edited 1 time in total |
|
| Back to top |
|
 |
vwtaiwan
Samba Member
Joined: March 08, 2006
Posts: 111
|
|
| Back to top |
|
|
atye
Samba Member
Joined: September 02, 2004
Posts: 580
Location: Peachtree City, GA
|
| Posted: Tue Mar 09, 2010 6:48 am Post subject: |
|
|
I had thought of using a heat gun, but was scared that I might harden whatever was in the passages even more. I knew that there had to be a way to remove it, though.
Thanks for the tip. I will try it at lunchtime today.
_________________
Alex
1990 Audi 90q 20v sedan
1998 Suzuki Sport Sidekick
2002 Suzuki Grand Vitara
2005 Subaru Legacy GT wagon 5spd Turbo AWD |
|
| Back to top |
|
|
Type 5 Joe
Banned
Joined: January 18, 2003
Posts: 1795
Location: Oregon
|
| Posted: Tue Mar 09, 2010 7:02 am Post subject: |
|
|
A screw from a bug tail light lens (like a 1962 - 1967) should screw in there so you can pull it.
_________________
If you would like to contact me, just email through one of my ads on here...
I don't use the P.M. service on here. |
|
| Back to top |
|
|
atye
Samba Member
Joined: September 02, 2004
Posts: 580
Location: Peachtree City, GA
|
| Posted: Tue Mar 09, 2010 7:31 am Post subject: |
|
|
| Type 5 Joe wrote: |
| A screw from a bug tail light lens (like a 1962 - 1967) should screw in there so you can pull it. |
Isn't there the possibility of changing the size of the opening that way?
_________________
Alex
1990 Audi 90q 20v sedan
1998 Suzuki Sport Sidekick
2002 Suzuki Grand Vitara
2005 Subaru Legacy GT wagon 5spd Turbo AWD |
|
| Back to top |
|
|
nsracing
Samba Member
Joined: November 16, 2003
Posts: 9758
Location: NOVA
|
| Posted: Tue Mar 09, 2010 7:33 am Post subject: |
|
|
| Don't put any screw in there. Buy a ultrasonic cleaner or find someone who has one. |
|
| Back to top |
|
|
Type 5 Joe
Banned
Joined: January 18, 2003
Posts: 1795
Location: Oregon
|
| Posted: Tue Mar 09, 2010 8:10 am Post subject: |
|
|
I'm talking about the brass #2 in your picture.
I am just going off memory here.... Isn't it internally threaded already?
If it is, I think a taillight lens screw will thread in there and help you "pull" it.
- Or just use the screw for comparison, and go down to the hardware store and get a similar screw.
You won't alter the size in any way.
Let us know if it worked for you.
_________________
If you would like to contact me, just email through one of my ads on here...
I don't use the P.M. service on here. |
|
| Back to top |
|
|
atye
Samba Member
Joined: September 02, 2004
Posts: 580
Location: Peachtree City, GA
|
| Posted: Tue Mar 09, 2010 8:52 am Post subject: |
|
|
| Type 5 Joe wrote: |
I'm talking about the brass #2 in your picture.
I am just going off memory here.... Isn't it internally threaded already? |
No, it is not threaded that I can tell. It is not slotted at the top like the main jet is either. It appears to be press-fit, why, I don't know.
I am going to try vwtaiwan's idea and use a heat gun to expand the metal and allow it to (hopefully) fall out easier.
_________________
Alex
1990 Audi 90q 20v sedan
1998 Suzuki Sport Sidekick
2002 Suzuki Grand Vitara
2005 Subaru Legacy GT wagon 5spd Turbo AWD |
|
| Back to top |
|
|
DarthWeber
Samba Member
Joined: November 24, 2007
Posts: 7542
Location: Whittier,CA
|
| Posted: Tue Mar 09, 2010 11:23 am Post subject: |
|
|
| atye wrote: |
| It appears to be press-fit, why, I don't know. |
The Kadron carbs were designed for a narrow range of applications, basically to use on stock or almost stock 1600 motors. As such they weren't designed with 'tune-ability' in mind. Only the main and idle jets are easily changed. Yes, they can be modified to work with big motors as AJ Sims has sucessfully demonstrated over the years, but they weren't designed to be adaptable to many different sizes and types of motors like Webers and Dellortos. The emulsion tube was designed to cover performance ranges on stock or mild 1600 motors and never intended to be swapped out to modify the fuel flow characteristics so it was installed, more or less permanently, in the carb. |
|
| Back to top |
|
|
atye
Samba Member
Joined: September 02, 2004
Posts: 580
Location: Peachtree City, GA
|
| Posted: Tue Mar 09, 2010 11:26 am Post subject: |
|
|
Well... Now I know!
Thanks for the info.
_________________
Alex
1990 Audi 90q 20v sedan
1998 Suzuki Sport Sidekick
2002 Suzuki Grand Vitara
2005 Subaru Legacy GT wagon 5spd Turbo AWD |
|
| Back to top |
|
|
vwtaiwan
Samba Member
Joined: March 08, 2006
Posts: 111
|
| Posted: Tue Mar 09, 2010 3:28 pm Post subject: |
|
|
| atye wrote: |
| Type 5 Joe wrote: |
I'm talking about the brass #2 in your picture.
I am just going off memory here.... Isn't it internally threaded already? |
No, it is not threaded that I can tell. It is not slotted at the top like the main jet is either. It appears to be press-fit, why, I don't know.
I am going to try vwtaiwan's idea and use a heat gun to expand the metal and allow it to (hopefully) fall out easier. |
You need to heat up, very hot more than 180 degree, the aircorrection jet should be very easy to pull up. If you can't pull it up, and it's not hot enough. |
|
| Back to top |
|
|
jsturtlebuggy
Samba Member
Joined: August 24, 2005
Posts: 4627
Location: Fair Oaks/Orangevale, CA
|
| Posted: Tue Mar 09, 2010 9:29 pm Post subject: |
|
|
I use a deluded solution of CLR for cleaning out the passages of old carbs.
Works well with out doing any damage. I only let them soak for a short period of time. At the most 1 hour in the solution then rinse in water.
It is something I learned from and old Corvair mechanic.
_________________
Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960 |
|
| Back to top |
|
|
atye
Samba Member
Joined: September 02, 2004
Posts: 580
Location: Peachtree City, GA
|
| Posted: Wed Mar 10, 2010 6:04 am Post subject: |
|
|
Well, I was able to remove the air correction jet with the heat gun method. It took a few tries, but it eventually fell out... in TWO pieces!
It looked very similar to vwtaiwan's pic below, except mine wasn't cracked.
I put the two parts back together and it was a tight fit, but, just to be safe, I added a tiny amount of red loctite and made very sure that none got anywhere else in case I need to remove this again!
The passage was actually clean inside, it was the detached bottom half of the air correction jet that was blocking the passage. I am convinced that this is why the PO wasn't able to get the car running and it sat for all these years.
After this repair, the car idles and runs good, but the carbs still need some tuning. I am sure that the PO was turning all sorts of screws trying to figure out what was going on.
Chalk one more up to The Samba!
Thanks for all of the suggestions!
_________________
Alex
1990 Audi 90q 20v sedan
1998 Suzuki Sport Sidekick
2002 Suzuki Grand Vitara
2005 Subaru Legacy GT wagon 5spd Turbo AWD |
|
| Back to top |
|
|
matthew henricks
Samba Member
Joined: January 02, 2002
Posts: 1403
Location: So. Cal
|
| Posted: Tue May 27, 2025 8:20 am Post subject: Re: SOLVED: Clogged passage - Kadron/Solex |
|
|
Super helpful post. My engine went from running good to not at all in a second. It took me a while to notice that one carb was blocked from the float bowl and the emulsion tube was the problem.
FWIW, i used a screw extractor to grab the top of the tube after heating the carb and was able to pull it out without much damage.
_________________
1964 Original Owner build Thread. https://www.thesamba.com/vw/forum/viewtopic.php?t=702135&highlight=
Ambulance Fan's. https://www.thesamba.com/vw/forum/viewtopic.php?t=627707&highlight=
Parts i am looking for:
64 bug nice used front/rear Black LHD floor mat. |
|
| Back to top |
|
|
Brian_e 
Samba Member
Joined: July 28, 2009
Posts: 4284
Location: Rapid City, South Dakota
|
| Posted: Tue May 27, 2025 8:51 am Post subject: Re: SOLVED: Clogged passage - Kadron/Solex |
|
|
A good easy way to test for a broken emulsion tube is to blow air through the smaller aux vent in the carb throat. Use an air compressor with a blow gun. If its all connected and working correctly, the fast moving air will pull fuel out of the bowl, and into the carb throat.
If it has come disconnected, nothing will happen.
Brian
_________________
So more or less the lazier and stupider you want to be, the nicer quality parts you need to buy.
-Modok
Narrowed beams, Drop adjustable spring plates, Bus disk brake and IRS kits.
www.type-emotorsports.com
Type E Engine Parts and Supplies
https://type-emotorsports.com/collections/engine-parts |
|
| Back to top |
|
|
|
