Furnace Cement Exhaust Leak

Scrub the area surrounding the leak with a steel toothed brush.

Furnace cement exhaust leak.

If your furnace exhaust pipe or flue pipe is leaking it can be a sign of a much bigger problem. Since the engine is in the car high temp furnace cement was used to fill the blind hole in the. Most repairs will not stick or seal if done over dirt and grime. Will need to let it cure a few days so it is strong before you try to fire it up.

As a safety precaution ensure that the car is supported by a minimum of two supports. Before you start the process ensure that you have the right protective gear and follow the steps below. Some engines have egr ports built into the head and that might be where the leak is. If it leaks water it could be leaking flue gases it needs to be taken apart and completely re done with new fittings.

Find the leaking area by imparting pressure on the tailpipe and. Jack up the car. If you could find some fine stainless screen like used in some fuel filters it will make a nice reinforcement to make the cement a lot stronger. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.

Because the exhaust is located on the underside of the vehicle it often gets caked with mud dirt and rust. I ll be taking the experimental way out and plastering the leak with furnace cement sodium silicate sometimes known as muffler mender or whatever all without loosening a bolt. Might try furnace cement. Since furnace cement is not an organic glue but rather a refractory glue it can handle the high temps the manifold will reach.

Exhaust leaks are common when combining a manifold of this vintage with later cylinder heads. Once you locate the leak use a steel toothed brush to scrub the area surrounding it.