4kq exhaust replacement woes
audi at humanspeakers.com
Sun Sep 20 14:07:13 PDT 2009
Christopher G. Mason wrote:
> So inspection is overdue on the ye olde 1987 Audi 4kq and the crappy
> rear ANSA muffler is pretty much toast. To address the issue for good I
> managed to score a full cat back Stebro SS exhaust for $200. The problem
> I'm having is installation. Searching the archives reveals that using a
> hacksaw or Sawzall is a preferred way to attack the rusted blobs that
> were nuts and bolts where the center section meets the cat. Problem is,
> how the heck does one get at the TOP nut and bolt, there is zero room
Use a longer sawzall blade? (see below)
> Needless to say, stainless steel hardware is going in its place,
> which brings another question. How does one easily get at the bolts that
> join the center and rear sections (over the rear axle) to tighten them up?
In my experience, a lot of these hard-to-get-to three bolt setups are
between two "floating" flanges, so after the two "easy" bolts are out,
the flanges can be rotated to get to the last one. Installation similar.
But I don't have a 4kq cat to look at and see if that is correct. You
might need to remove the cat from the downpipe to get access.
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