Author Topic: Poulan 3450 Carb issues  (Read 1293 times)

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Offline 660magnum

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Re: Poulan 3450 Carb issues
« Reply #30 on: November 11, 2014, 03:34:23 pm »
The metering valve diaphragm can be old & stiff and not work correctly.
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Re: Poulan 3450 Carb issues
« Reply #31 on: November 11, 2014, 03:49:37 pm »
The metering valve diaphragm can be old & stiff and not work correctly.

+1.  There are two diaphragms in those carbs.   One for metering the fuel like mentioned and the other for a pump.   They get stiff and do not work well after a time.
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Offline rockfishon

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Re: Poulan 3450 Carb issues
« Reply #32 on: November 11, 2014, 04:05:10 pm »
I just put all new parts in the carb that I could get to except for the screens and plugs.  Put a new plastic thing-a-ma-gig with a silver circle on one side and a fiber new part on the other side.

Offline 660magnum

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Re: Poulan 3450 Carb issues
« Reply #33 on: November 11, 2014, 04:15:40 pm »
That fixed my 3500 up. Its been 3 yrs ago and it still runs great.
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Offline Cut4fun .

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Re: Poulan 3450 Carb issues
« Reply #34 on: November 11, 2014, 04:30:10 pm »
What did the saw do if tilted on both sides back and forth when idling?
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Offline Eccentric

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Re: Poulan 3450 Carb issues
« Reply #35 on: November 23, 2014, 03:12:51 pm »
I still think that it.....

Sounds like it could be another misbehaving HDA164....

.....but what do I know?

Offline rockfishon

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Re: Poulan 3450 Carb issues
« Reply #36 on: December 12, 2014, 08:45:29 am »
Messed around a little more last weekend.  The position of the saw does not change any of the symptoms. 

I can keep it running by feathering the throatle.  The high speed needle does not seem to make any difference, it still runs with the high speed needle almost all the way turned in.  I guess I will meed to tear the carb apart again.

Do they sell new replacement carbs for this old saw?  I might be better off with that solution.

Offline Cut4fun .

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Re: Poulan 3450 Carb issues
« Reply #37 on: December 12, 2014, 04:48:59 pm »
Do you have any other poulan saws with the 49 smaller carb to throw on and try out? 2700 2800 3000 3300 335 305 365 3500 3600 2.8 3.0 3.3 3.7 to name a few
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Offline rockfishon

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Re: Poulan 3450 Carb issues
« Reply #38 on: December 15, 2014, 07:42:45 pm »
Unfortunately I do not.  Maybe I need to try and pick up a parts saw.

Offline rockfishon

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Re: Poulan 3450 Carb issues
« Reply #39 on: December 28, 2014, 09:55:58 pm »
I found a hda-164 for $40 on ebay.  Is this the one that I need?

 

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