|TECH TIP||Technical Index|
Muffler O-Rings& Clamps
Your V’dub has stopped smelling like Gas, but now the exhaust is "chugging", indicating a leak at one of the muffler or header connections. Upon inspection, you can see the telltale carbon stains around one (or both) of the j-tube connections to the muffler. This is a very common problem, once the j-tubes are old, rusty and pitted. It becomes increasingly difficult to get a good seal at the o-rings.
PROBLEM: (The old-timers may already know about this one, but it could be one of the following:)
You are using GOOD (German?) clamps, but you have installed them BACKWARDS (see illustration below)