Dave:
I agree that the lining up of the exhaust flange to the exhaust manifold
to bolt them back together is a challenge.
The guy that helped me with my replacement had the same size 'bolts'
that screw into the exhaust manifold with the 'heads cut off' and then
he filed a groove into the bolt where the head was so he could turn them
with a flat head screw driver. I screwed two (2) of these 'headless
bolts' diagonally into the exhaust manifold and slid the 'exhaust flange
and mixing elbow assembly' onto the two headless bolts. Then put the
two permanent bolts in, removed the 'headless bolts' with my fingers and
put the remaining two permanent bolts in. Without this method or the
way you did it, I might still be trying to put it together.
Good idea as well to connect the hose to the bottom of the mixing elbow
before assembling to the exhaust manifold.....wish I had known that at
the time.
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2014/05/20 11:35 PM, via CnC-List wrote:
Dave
I have a 3gm30F and I put a new elbow in 2 weeks ago. My problem was
the engine would get hot if I went over 3300rpm then it was 3000 then it went
to 2800 and at that time I took the 90 degree fitting off the elbow and jammed
a coat hanger in the hole and after a while I could feel it opening up in there
and things got better for a while then it started again. Water flow kept
getting slower so I bought a new elbow kit. The Kit came with a new gasket new
bolts and the elbow assembly. I had to lay on top of the engine to get at the 4
bolts. Everything came apart with no problems. Putting the new one in was kind
of a task I had to lay on top of the engine and hold the whole assembly up with
one hand while trying to line the bolts up with the holes while keeping the
gasket in place, quite a task. I finally took 4 Allen wrenches a little smaller
than the threaded holes and put them through the elbow and gasket and into the
tapped holes. when I had 4 of them in the holes
everything was more or less aligned. I then took 1 Allen wrench out and
replaced it with a bolt that threaded into the first hole no problem.. then
took the next Allen wrench out same thing the bolt went right in. With the 4
bolts in I tightened everything up and job done. Make sure the rubber hose is
connected to the assembly before bolting it on the engine you can tighten the
clamps last. Don't ask how I discovered that part of the job !! The boat went
in last Wednesday started right up no leaks job done. Saturday the starter
stopped working here we go again !
.....................................Gary Kolc "Liberty"
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