Question about Poulan Pro PR550N22SH 22Inch Briggs Stratton 550 Series Gas Powered Side DischargeMulch Lawn Mower With High Rear Wheels (NonCARB Compliant) ()

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How do you unscrew the muffler, what tools do you use

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Replacing the muffler on the poulan pro 550 model number 961240002 00


there is two ways to mount mufflers on small engines. one with two bolts through the muffler to the block or threaded to it. if you don't see bolt heads then you unscrew the whole muffler.

Aug 06, 2012 | Poulan Pro PR550N22SH 22Inch Briggs ...

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I have 95 jeep wrangler and it just started to rattle under the passenger seat I did research and I believe is the heat shield above the muffler came loose how would I be able to put the plate back up??


Often times I just unscrew large stainless steel hose clamps and connect them together to make a GIANT clamp that goes around the muffler or CAT. Sometimes it takes two large clamp assemblies, one at the front and one at the rear to quiten down a heat shield.

Hope this helps,
Ken C

May 07, 2012 | 1995 Jeep Wrangler

1 Answer

I have a craftsman 25cc straight shaft weedeater.I believe the muffler is clogged.I cannot get the muffler off because I can't get the plastic cover off surrounding the engine.Can someone tell me how...


Torx head screws are down inside the cover. Some people call them "star" screws. With the proper size Torx head screwdriver (T-15 or T-20 I think), you will be able to unscrew the cover.

Sep 05, 2011 | Craftsman 25cc Gas Line Trimmer

2 Answers

Can i change the muffler myself


Yes it is very easy to change a muffler depending if you got the right tools take a grinder or hack saw and if the muffler is welded cut in front and in back get 2 pipe conectores if needed some u bolts or welded and good to go

Feb 28, 2011 | 1997 Pontiac Grand Am

2 Answers

Change oxigen sensor


firts remove the harness of the sensor.please get a open wrench to fit the size of the sensor and remove it counter clockwise or find a special tools for it

Feb 17, 2011 | 1997 Saturn SL

1 Answer

Silencer fell off


Take the entire muffler apart to see if something internal has broken or otherwise failed. Check the bolts that hold the assembly onto the engine. Because of the normal engine vibration, things like this can occur. There should be some external way to secure the bolt heads so that they can't unscrew by themselves. Be sure to check the spark arrestor for plugging. Check the gasket between the muffler and engine. Hope this helps!

Jan 20, 2011 | Ryobi Factory Reconditioned 18" 40cc...

1 Answer

How do i fix an o2 sensor


You do not fix them, you replace them. There are two and they are screwed into the exhaust system, before and after the catalytic converter. Buy one of each at a parts store and take them to a muffler shop during a lull in other activity and pay them 20 bucks or so to quickly unscrew the old ones and install the new ones. Note the size of the wrench they use to unscrew the old ones. If you take the car back to the muffler shop and bellyache to them that the new O2 sensors did not turn off the SES light, they are legally entitled to use that wrench to beat your head in.

Oct 08, 2010 | 2000 Saturn SL

1 Answer

How to repair my muffler


Mufflers are replaced, not repaired. Do this at a muffler shop where they have the tools, adapters, pipes, muffler inventory, and a lift. Often the pipes and hangars are shot also. Stay away from the major chains where the guy gets a sales commission on every part he sells you.

Jun 29, 2010 | 2002 Kia Rio

1 Answer

Want open up while the gas is giveing to it new carb


A dirty air filter and a carbon-plugged engine and/or muffler will cause these symptoms. Unscrew the muffler and make sure the exhaust port on the cylinder is clear. Inspect the muffler (especially the small screen). That is called the spark arrestor. Scrape or burn clean and reinstall. Also the small pulse hole in the carb must be clear and aligned with the pulse hole of the engine, including the gaskets.

Jun 06, 2010 | Garden

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