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 riles
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| posted on March 8th, 2009 at 03:53 PM |
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Replacing Exhaust Pipes and Bumper Bars - Easy to do??
Hi There
Just bought a '69 Beetle and I'm looking at swapping over the bumpers and the exhaust pipes/tips. Is this an easy thing to do? Anything I should
know before proceeding? I just want to replace the current ones with the same but better condition parts.
It looks with the exhaust pipes that I just loosen off the clamp on each one. Will they just pull off then?
Cheers
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eraser
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| posted on March 8th, 2009 at 04:22 PM |
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yeppas loosen the clams and pipes come off, and same with the bumpers loosed the screws and off they come.
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pod
A.k.a.: paul mrvw061
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| posted on March 8th, 2009 at 04:25 PM |
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depending how long pipes have been on ,as to how easy they come off,last lot i removed i used a pipe wrench to turn them round to get them off as it
didnt matter what happened to them
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riles
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| posted on March 8th, 2009 at 04:31 PM |
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cool.. thanks heaps for that. will get some new pipes and will give it a shot.
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 helbus
A.k.a.: Pete S
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| posted on March 8th, 2009 at 04:52 PM |
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I recommend getting the best quality pipes you can.
Cheap Brazilian ones can rust real quick and sound bad. They are the mufflers.
I got stainless steel German made ones, I dont remember the brand, but they were $70 the pair, and 5 years later I have never had to touch them they
look shiny new, and sound nice, not a silly sound.
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riles
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| posted on March 12th, 2009 at 06:51 PM |
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thanks heaps for the advice... my new tips have arrived and i attempted to take one of the old ones off and it's not budging. any bright ideas?
where can i get hold of a pipe wrench? is that the best way to go about it?
cheers 
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grumble
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| posted on March 12th, 2009 at 06:59 PM |
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Pipe wrench or vice grips and a little heat works wonders.
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helbus
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| posted on March 12th, 2009 at 07:12 PM |
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Sometimes they rust weld themselves in, and heat from an oxy torch is needed to break the rust seal.
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riles
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| posted on March 12th, 2009 at 07:32 PM |
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awesome. if i do go the pipe wrench route, is there anything that can get damaged at internal end of the pipes if i'm wrenching and ripping the
bastard around?
also, how much heat are we talking? after i've driven it they're hot... is that the type of temp we're talking or does it need to be extreme
heat?
cheers
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greedy53
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| posted on March 12th, 2009 at 07:45 PM |
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a old way was to run the engine until it hot than drop a bit of water on the tight bits as you turn with a pip wrench failing that use a can of wd40
over a week aand spray every time you sstop
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helbus
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| posted on March 12th, 2009 at 08:13 PM |
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It sometimes needs to be hotter than normal exhaust heat. Sometimes glowing red hot on the outside part of the muffler so it will expand. You could
damage the main muffler if you pipe wrench them until it twists that too. If it is old, thin, cheap or badly rusted it can damage a lot easier.
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 Bizarre
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| posted on March 12th, 2009 at 08:19 PM |
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also have a look on the flange where the pipes go in
Sometimes they get "peened" (the outer skin hit with a centre punch so as to "pimple" the outer steel onto the inner tube) to stop them comming
loose
If this is the case a drill may be required to drill out the punch mark
Futue te ipsum!!!
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68AutoBug
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| posted on March 12th, 2009 at 10:09 PM |
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| Quote: | Originally
posted by helbus
It sometimes needs to be hotter than normal exhaust heat. Sometimes glowing red hot on the outside part of the muffler so it will expand. You could
damage the main muffler if you pipe wrench them until it twists that too. If it is old, thin, cheap or badly rusted it can damage a lot easier.
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Yes, You need to be careful, as if they are rusted to the muffler.. You can twist the pipes off the muffler very easily
as most mufflers are rusted...
unless painted with heatproof paint...
then You will end up needing a new muffler..
and because they are rusted so badly, they cannot be welded back on...
If the tail pipes are very rusted and have holes in them
a pipe wrench shouldn't hurt, as the muffler pipes should twist apart...
Lee
I have straight thru pipes which are rather noisey..
I also use a pair of tapered muffled pipes...
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68AutoBug
A.k.a.: Lee Noonan
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 posted on March 12th, 2009 at 10:40 PM |
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Bumper bars are easy to take off...
a bit fiddly to put back on
a lot easier with a helper... lol
but i do most things by Myself...
LEE
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- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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riles
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| posted on March 13th, 2009 at 05:43 AM |
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thanks heaps for that. they shouldn't be too rusted if the rest of the car is any indication. both pipes have surface rust. i might try to give
them a gentle nudge with a pipe wrench and then if i have no luck i might leave it for someone who know what they're doing.
cheers
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vw54
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| posted on March 13th, 2009 at 05:53 AM |
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when you fit the new ex pipes tips DONT push them in too far
get a bit of wire and bend a hook on end to measure the depth of the hole
then mark on the tail pipe with a felt pen dont fit it in past this point
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