Chainsaw Repair

Husqvarna - Stihl - Poulan - Jonsered - Dolmar chainsaws and more => Husqvarna => Topic started by: Cut4fun . on April 22, 2011, 06:57:57 am

Title: Husqvarna 346 350 357 359 353 update info
Post by: Cut4fun . on April 22, 2011, 06:57:57 am
Lot of people still dont know about this. So here it is again.

Here is the Husqvarna Service Bulletin  info.

I never seen a Service Bulletin  on carb Walbro HDA, I just know it was replaced with a Zama C3-EL42 and cost here is $40-$50 for carb. The original 357-359 Walbro 199 was the worst of the bunch with issues.


Service Bulletin for 357XP, 359, 353, 346XP
This service bulletin is not new. I thought that there might be some out there who were not aware of it so here it is. If your saw has a black plastic clamp around the intake right next to the cylinder it is applicable to it. If the clamp is of steel construction then you should be ok.

B0600023
SERVICE

*537 43 88-01*
*compl 537 25 13-02
English 1 (1)

SB, 357 XP, 359, 353, 346 XP,
Partition wall and clamp for intake system,
2006-03

The existing intake system on 357XP, 359,353 and 346XP currently consists of an integrated plastic clamp in the partition wall. As the clamp is made of plastic, there is a risk of deformation. This results in impaired clamping force against the cylinder, which in turn can result in leakage in the intake system. To prevent this from occurring, we have now introduced a metal clamp and a new partition wall.

The new partition wall is made up of polyamide with 30 % fibre glass.
The new clamp is a hardened steel clamp. The new material and the design of the clamp reduce the risk of deformation and the subsequent risk of leakage.

Full replaceability prevails.
Introduced from serial number:
357XP 061100201
359 061100001
353 061100001
346XP 061100001

New part no. Description Excl. part. no. Remark
537 25 13-02 Partition wall, intake, complete New spare part
537 43 88-01 Clamp, intake New spare part

Spare part, partition wall, part number 537 25 13-01, has been discontinued and is replaced by part number 537 25 13-02.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Spike60 on April 22, 2011, 11:13:20 am
These are service bullitens, not "recalls", and it's not a good idea to use that word. It implies that an attempt was made by Husky to contact customers to bring in their saws for these updates. No such attempt was made. It also implies that customers can come in and receive these updates with no indication of a problem, and/or well after the warranty period. Such is not the case.

In both cases product improvements were introduced beginning with the  serial numbers mentioned in the service bulletins. Failures in either case were easily covered under warranty. But this was a "fix as fail" situation.

Still plenty of saws out there with the plastic clamp and early 357/359 carb that are running fine.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on April 22, 2011, 02:03:56 pm
Fixed the wording,  Spike  ;), Service Bulletin not Recall.

 My dealer took care of me on one of my saws and like you said some of mine still have plastic clamps. I only replace them as needed.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: farmboy on June 24, 2011, 10:35:54 am
I read somewhere Jred has a fix for these series saws.  Cut off the tabs off the partition and clamp, with I think a 272 HD AF clamp 503-5600-03.  I've looked everywhere and I can't find that post here and other forums.
Shep
Title: Re: Husqvarna 346 357 359 353 update info
Post by: John Mc on June 24, 2011, 09:14:01 pm
I may have  357 with the questionable carb. It has a really flakey idle - get things tuned right one day, use it a few days later and it's racing, or idling so low it dies. Had a dealer look at it for me - of course it was running fine then.

Does anyone have more info on this? Years or Serial Numbers affected (mine is a 2005 model) - or where to look to find the carb identification info.

John Mc
Title: Re: Husqvarna 346 357 359 353 update info
Post by: SawTroll on June 25, 2011, 06:21:56 pm
.....

Still plenty of saws out there with the plastic clamp and early 357/359 carb that are running fine.

My 353 still have the plastic clamp - no issues so far.  :)
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on June 26, 2011, 09:58:37 am

Does anyone have more info on this? Years or Serial Numbers affected (mine is a 2005 model) - or where to look to find the carb identification info.

John Mc

It's all in first post. 

Look on the side of your carb for letters and numbers.  Make should be on a cover.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: John Mc on June 29, 2011, 07:34:24 am
Thanks, Kevin. I saw all the stuff on the clamp and partition - I had that replaced on mine a year or so ago.

I was hoping to find out the carb info without disassembling my saw. I can't see any identifying marks on the carb by just removing the top cover and air filter (just a flat plate that says "patented, other patents pending" but no numbers or brand name).

It's been idling fine the last couple of times out. I'll just have to make time one of these days to tear into it further.

John Mc
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on June 29, 2011, 02:54:34 pm

I was hoping to find out the carb info without disassembling my saw. I can't see any identifying marks on the carb by just removing the top cover and air filter (just a flat plate that says "patented, other patents pending" but no numbers or brand name).

It's been idling fine the last couple of times out. I'll just have to make time one of these days to tear into it further.

John Mc

On top of carb do you see Walbro?  Remove air filter to see.   I am thinking back right side top you should see HDA 199 ? if I am wrong on that look front left top area.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: SawTroll on June 30, 2011, 08:11:17 am
SB, 357 XP, 359, Introduction of new carburetor for better idling stability,
2008-10

To achieve better idling quality, a new carburetor has been introduced in the production. The new name of the carburetor is Zama C3-EL42, replacing Walbro HDA199A/B and HDA191A.

New part number for the carb is 505203001.

Also, requires a different flange, part number 503928502.

Introduced from serial numbers:
357XP 083800001
359 084500001
Title: Re: Husqvarna 346 357 359 353 update info
Post by: John Mc on June 30, 2011, 11:38:01 am
Thanks, SawTroll & Kevin.

Since I'm a 2005, this could be my problem.

Up to now, all I've done maintenance wise is the simple stuff... tuning, deburring & truing up a bar, replace starter recoil system. Is replacing this carb a relatively easy job? Anything I need to watch out for, or other things I should do while I have it off? Maybe replace the fuel line (or at least get a good look at it? Do I need any other parts (like gaskets)?

I'm also wondering if the idle problems can damage the saw - or is running too lean at idle not a big deal (I know in piston aircraft engines, it's not - damage due to mixture setting only a higher power concern, but then they aren't two cycle engines). It seems to run fine at WOT.

John Mc
Title: Re: Husqvarna 346 357 359 353 update info
Post by: fernando62 on June 30, 2011, 12:43:21 pm
I had a problem on a 2159 carburettor Walbro HDA ​​198 (EU version) after about ten minutes saw the release of the accelerator is switched off but worked regularly at full throttle.
recatomi at a repairer has made me see well 5 carburetors with the same problem with its solution ZAMA flange
so I tried to zoom in slightly on the throttle lasola gas jets at the minimum.
all goes well until the minimum is more full and has never turned off

 What number do you think? my solution is correct?
Title: Re: Husqvarna 346 357 359 353 update info
Post by: SawTroll on June 30, 2011, 03:53:30 pm
I had a problem on a 2159 carburettor Walbro HDA ​​198 (EU version) .....

HDA 198 and 190 was the non-EPA versions of the 199 and 191.

190/191 was for heated saws, 198/199 was for the standard versions.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: w8ye on September 11, 2011, 10:46:05 am
If your saw runs fine I wouldn't worry about this.  -But if not, then . . .

Finding the number on your carb is hard. You need a good light for the number is on the side of the carb and buried by some of the mechanism on most saw versions.  The number (199) is very faint on some carbs and hard to see if it says 198 or 199?

Most of these have a balance reference tube that extends up inside the air filter. It might be best (good sense) to do your tuning with the air filter and covers on the saw?

The best I can decipher, my 2008 357XP has the HDA 199 and it is easy to see the metal clamp on the boot. And it runs fine.

Title: Re: Husqvarna 346 357 359 353 update info
Post by: SawTroll on September 11, 2011, 12:00:16 pm

.......

The best I can decipher, my 2008 357XP has the HDA 199 and it is easy to see the metal clamp on the boot. And it runs fine.

I believe quite a few of the saws with those carbs run fine. If not, I believe the change to a different carb would have happened earlier.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun on September 11, 2011, 12:12:45 pm
I've got a 357 walbro 199 on my 45cc 346 and it has never been a problem. Only thing I have had happen is the old style plastic intake clamp came undone somehow. I caught it cleaning up the saw.

The 357 MOS has, has a 199 on it and the replacement zama was bought for it by another owner after me and it wouldnt run right with it on there. Maybe a bad carb from factory. He said he put the 199 back on and it ran fine.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: man of stihl on September 14, 2011, 05:38:59 pm
I've got a 357 walbro 199 on my 45cc 346 and it has never been a problem. Only thing I have had happen is the old style plastic intake clamp came undone somehow. I caught it cleaning up the saw.

The 357 MOS has, has a 199 on it and the replacement zama was bought for it by another owner after me and it wouldnt run right with it on there. Maybe a bad carb from factory. He said he put the 199 back on and it ran fine.
With the Zama, i can't get enough fuel to it. ???
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Mastermind on March 27, 2012, 11:57:33 pm
I've got a 357 walbro 199 on my 45cc 346 and it has never been a problem. Only thing I have had happen is the old style plastic intake clamp came undone somehow. I caught it cleaning up the saw.

The 357 MOS has, has a 199 on it and the replacement zama was bought for it by another owner after me and it wouldnt run right with it on there. Maybe a bad carb from factory. He said he put the 199 back on and it ran fine.
With the Zama, i can't get enough fuel to it. ???


I'm seeing the same thing. Digging up bones to see if anyone has a fix??????
Title: Re: Husqvarna 346 357 359 353 update info
Post by: 660magnum on March 28, 2012, 08:16:23 am
Can you still get the 199 or do they force the Zama on you?

The 199 has a accelerator pump and the Zama does not?
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Mastermind on March 28, 2012, 09:09:39 am
I think for now I'll just bore the stock carb a bit and call it good. It's just a worksaw but I really hoped for more of a runner.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun on March 28, 2012, 02:24:09 pm
HDA series IPL   http://wem.walbro.com/distributors/servicemanuals/HDAseries.pdf

C3 EL42  IPL  http://www.zamacarb.com/prod_lookup_results.cfm
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Adirondackstihl on May 18, 2012, 08:17:40 am
Does anyone have the .pdf bulletin they wouldnt mind sharing? I had one at one point and have mis-placed it.

Thanks
Jeremy
Title: Re: Husqvarna 346 357 359 353 update info
Post by: SawTroll on May 18, 2012, 10:48:51 am
Here is the text;

SB, 357 XP, 359, 353, 346 XP,
Partition wall and clamp for intake system,
2006-03

The existing intake system on 357XP, 359,353 and 346XP currently consists of an integrated plastic clamp in the partition wall. As the clamp is made of plastic, there is a risk of deformation. This results in impaired clamping force against the cylinder, which in turn can result in leakage in the intake system. To prevent this from occurring, we have now introduced a metal clamp and a new partition wall.

The new partition wall is made up of polyamide with 30 % fibre glass.
The new clamp is a hardened steel clamp. The new material and the design of the clamp reduce the risk of deformation and the subsequent risk of leakage.

Full replaceability prevails.
Introduced from serial number:
357XP 061100201
359 061100001
353 061100001
346XP 061100001

New part no. Description Excl. part. no. Remark
537 25 13-02 Partition wall, intake, complete New spare part
537 43 88-01 Clamp, intake New spare part

Spare part, partition wall, part number 537 25 13-01, has been discontinued and is replaced by part number 537 25 13-02.





SB, 357 XP, 359, Introduction of new carburetor for better idling stability,
2008-10


To achieve better idling quality, a new carburetor has been introduced in the production. The new name of the carburetor is Zama C3-EL42, replacing Walbro HDA199A/B and HDA191A.

New part number for the carb is 505203001.

Also, requires a different flange, part number 503928502.

Introduced from serial numbers:
357XP 083800001
359 084500001

Title: Re: Husqvarna 346 357 359 353 update info
Post by: Monomoy on April 23, 2014, 10:48:25 am
If my saw has a metal intake clamp, does the service bulletin not apply?  Can anyone identify my carb? 

my serial # 06 1300384

Thanks
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on April 23, 2014, 01:02:38 pm
If my saw has a metal intake clamp, does the service bulletin not apply?  Can anyone identify my carb? 

my serial # 06 1300384

Thanks

If you have the metal clamp you should be good. 

What saw? I cant tell nothing from pic. But that it has the oem metal  clamp.

Info on carb is on the sides.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Monomoy on April 23, 2014, 01:34:51 pm
The saw the is a 359

I cannot find any printed/stamped markings on the carb and was hoping there was another way to tell if it was a walbro or a zama. 

Thanks
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun on April 23, 2014, 01:46:28 pm
The markings are on the sides.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun on April 23, 2014, 01:48:48 pm
357 359 carb issues.  Maybe you can tell from this video the difference in walbro and zama.

http://youtu.be/ex6lx9vJCGU
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Monomoy on April 23, 2014, 02:03:54 pm
Thanks, I've seen the video and trying to narrow down this issue.  Without removing the carb, I cannot find any markings on the left or right side (looked 3 times).  I'm hesitant to start ripping the saw apart unless it's the last resort.  I'm fairly mechanically inclined, but small engines and saws are my achilles heel.  any help is appreciated. 
thx
Title: Re: Husqvarna 346 357 359 353 update info
Post by: KilliansRedLeo on April 23, 2014, 02:32:30 pm
From the serial number you quoted for your 359 (06 1300384/ 2006 week 13) and the service bulletin which states that the Zama carb was introduced with serial number (08 4500001/ 2008 week 45), I believe you have one of the three the earlier Walbros that were used. The SB further states ' The new name of the carburetor is Zama C3-EL42, replacing Walbro HDA199A/B and HDA191A'.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Monomoy on April 23, 2014, 02:35:40 pm
Thanks Killians.  Exactly!!  But the metal clamp has thrown me for a loop and I don't want to pursue the service bulletin issue if i'm not eligible.  Any thoughts on the metal clamp, which my saw has versus the plastic clamp that seems to be associated with the problems in the bulletin?

thx
Title: Re: Husqvarna 346 357 359 353 update info
Post by: KilliansRedLeo on April 23, 2014, 02:53:17 pm
The new clamp was introduced on the 359 beginning with serial number 06 1100001/2006 week 11, your saw number is 06 1300384/2006 week 13, so you got the new clamp and the new partition wall. The carb however was introduced on the production line with serial number 08 4500001/2008 week 45, it appears that you are eligible for a replacement carb, however the SB is over 6 years old so no-cost replacement may no longer be available to you.

You can buy the carb from my buddy Carl Neilson (captneversail) for $36.00 if you are having troubles with your Walbro. Check here:

http://www.ebay.com/itm/Zama-carburetor-C3-EL42-1-Husqvarna-P954-EPA-FREE-SHIPPING-/131159537910?pt=US_Outdoor_Power_Equipment&hash=item1e89b7b8f6 (http://www.ebay.com/itm/Zama-carburetor-C3-EL42-1-Husqvarna-P954-EPA-FREE-SHIPPING-/131159537910?pt=US_Outdoor_Power_Equipment&hash=item1e89b7b8f6)
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on April 23, 2014, 04:12:46 pm
Only thing that was covered at no cost to original owner was the plastic clamp and partition.   I got one to know this. The carbs are on you.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Monomoy on April 23, 2014, 05:37:38 pm
Thanks Guys, a wealth of knowledge.  i got it to my local authorized dealer today with a reference number from Husq customer service so we'll see where it goes from here. 

Thanks!
Title: Re: Husqvarna 346 357 359 353 update info
Post by: SawTroll on April 23, 2014, 11:39:01 pm
From the serial number you quoted for your 359 (06 1300384/ 2006 week 13) and the service bulletin which states that the Zama carb was introduced with serial number (08 4500001/ 2008 week 45), I believe you have one of the three the earlier Walbros that were used. The SB further states ' The new name of the carburetor is Zama C3-EL42, replacing Walbro HDA199A/B and HDA191A'.

The carb should be a Walbro, with that serial number. That is the better option, as long as it doesn't act up (and even that can be fixed). I wouldn't want one with the replacement Zama. Not because it is a Zama, but because in this case it is a lesser carb.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Monomoy on April 24, 2014, 07:39:57 am
I've read this argument a couple times and although most experts agree that walbro's are better carbs overall, the consensus seems to be that this series of walbros presented more problems in the 359's than it was worth.  In addition, I have a non-oem muffler on the saw and I've read that the zama's perform better with this modification.  I'm am no expert, I catch fish not logs.  But I do burn wood and a powerful, reliable saw is part of my quiver. 
You all know more than I do about saws so thanks for the input.  Regardless, my saw is having carb/fuel delivery issues and I need it fixed.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on September 27, 2015, 09:38:50 am
Bump for member looking.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: aclarke on September 27, 2015, 10:47:25 am
Didn't see that post...

When we did the 359 build off(all new saws) , the low speed circuit and metering side of the side of the zama was the issue on the saws.  Fiddled with increasing low speed orifices, etc and it cured the horrible idle and hesitation .   This was almost 8-9 years ago so I don't remember the details. 

I think David Young built one of those saws? 

Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on September 27, 2015, 10:51:02 am
Is that the build off where we ran the saws at Dave Niegers house?  Big Dave.   

I remember Brian Timberwolfs saw. Just wow.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: aclarke on September 27, 2015, 11:16:27 pm
Kev, I think that was it. Been a few years!   Lol. 
Title: Re: Husqvarna 346 357 359 353 update info
Post by: farmboy on September 27, 2015, 11:18:40 pm
I remember TW's 359 too WOW!!  Been workin on different 359 combo's for a while now.  Just hope I can make one close to that one.
Shep
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Cut4fun . on September 28, 2015, 12:28:43 pm
That TW saw had shaved flywheel etc. No fins notta. Strictly race.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: farmboy on September 30, 2015, 10:38:50 pm
No race for me I just cut wood.  Trying diff combos most have been done tho.  359/w357 PC, 357/w 47mm Hiway PC, 359w/47MM Hiway PC and Dolmar 6400 piston, WP 359 w/dolmar 6400 piston, WP 357, WP359 .  All will have basic WP I&E widened intakes @ 78*.  Think thats all LOL.
Shep
Title: Re: Husqvarna 346 357 359 353 update info
Post by: aclarke on September 30, 2015, 10:41:54 pm
Cool to see someone experimenting!!
Title: Re: Husqvarna 346 357 359 353 update info
Post by: wild262 on October 01, 2015, 07:54:53 am
       You forgot the Alky, and Nitro-menthane 359's !    LOL.  Just kidding. ;D    You guys amaze me with what you can do with these saws.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: Deererainman on February 05, 2016, 12:55:21 pm
Lot of people still dont know about this. So here it is again.

Here is the Husqvarna Service Bulletin  info.

I never seen a Service Bulletin  on carb Walbro HDA, I just know it was replaced with a Zama C3-EL42 and cost here is $40-$50 for carb. The original 357-359 Walbro 199 was the worst of the bunch with issues.


Service Bulletin for 357XP, 359, 353, 346XP
This service bulletin is not new. I thought that there might be some out there who were not aware of it so here it is. If your saw has a black plastic clamp around the intake right next to the cylinder it is applicable to it. If the clamp is of steel construction then you should be ok.

B0600023
SERVICE

*537 43 88-01*
*compl 537 25 13-02
English 1 (1)

SB, 357 XP, 359, 353, 346 XP,
Partition wall and clamp for intake system,
2006-03

The existing intake system on 357XP, 359,353 and 346XP currently consists of an integrated plastic clamp in the partition wall. As the clamp is made of plastic, there is a risk of deformation. This results in impaired clamping force against the cylinder, which in turn can result in leakage in the intake system. To prevent this from occurring, we have now introduced a metal clamp and a new partition wall.

The new partition wall is made up of polyamide with 30 % fibre glass.
The new clamp is a hardened steel clamp. The new material and the design of the clamp reduce the risk of deformation and the subsequent risk of leakage.

Full replaceability prevails.
Introduced from serial number:
357XP 061100201
359 061100001
353 061100001
346XP 061100001

New part no. Description Excl. part. no. Remark
537 25 13-02 Partition wall, intake, complete New spare part
537 43 88-01 Clamp, intake New spare part

Spare part, partition wall, part number 537 25 13-01, has been discontinued and is replaced by part number 537 25 13-02.
Just picked up a 357 XP.  Still has the decompression thingamabob and the plastic partisian.  No scoring though.

I'm in the process of updating.  Thanks for the info!!!!!!
Title: Re: Husqvarna 346 357 359 353 update info
Post by: David Young on February 12, 2016, 11:09:26 am
what are the dimensions of the 6400 piston.
it may be just what I am looking for.

David

Great work btw  looking forward to your findings.
Title: Re: Husqvarna 346 357 359 353 update info
Post by: farmboy on February 12, 2016, 09:57:03 pm
What dimensions are you looking for?  6401 piston is a drop in for 359 piston.
Shep
Title: Re: Husqvarna 346 357 359 353 update info
Post by: David Young on February 13, 2016, 12:06:39 pm
I didn't know if it was taller or something?
Title: Re: Husqvarna 346 357 359 353 update info
Post by: farmboy on February 13, 2016, 06:19:32 pm
I haven't measured them checked by eye with wrist pin in 6401 & 359 joining both pistons.  Reason I'm using 6401 is 1.2mm ring & windows.
Shep