Project 4

Question 1

Why is it important to do a thorough inspection of an exhaust muff heater?

Answer 1

Exhaust gases contains CARBON MONOXIDE which is poisonous.

Cracks on the exhaust muff could direct carbon monoxide in the cabin.

Question 2

Additional carbon monoxide safe-guards?

Answer 2

Detector can be installed in the cabin area to provide early detection and warning.

Question 3

Where are the cracks most likely occur?

Answer 3

along welds, in radiator and formed areas

Question 4

What dangers are posed by loose baffling inside the muffler?

Answer 4

baffling pieces can block the exit of the muffler, CAUSING THE engine to run fucking bad or QUIT.

Question 5

Signs indicate that an exhaust system component is eroded or has been overheated?

Answer 5

Swelling, distortion, discoloration of metal all indicates OVERHEATING

you can detect erosion inside by squeezing or tapping with SOFT FACE HAMMER

Question 6

What color of stain does an exhaust leak leave behind?

Answer 6

It can appear yellow, orange, white or black streaking, depending on the engine conditions

Question 7

What does AD CF90-03R2 Part I specify?

Answer 7

visual inspection for all damages like cracks on the welds. So that no exhaust gas will enter in the cabin

Question 8

How long will it take for different exhaust system components to cool down down to a safe handling temperature after engine shutdown?

Answer 8

Depends on the mass and location of the component, airflow around it and the ambient temperature. Always proceed with caution!!

Question 9

What could result from an incorrectly torqued exhaust clamp or a fractured or corroded exhaust manifold or tailpipe?

Answer 9

Hi temperature exhaust gasses escaping the exhaust system are hot enough to ignite combustibles or to melt through aluminums and weaken and erode steels