| Malfunction (Symptoms) |
Probable Causes |
Corrective Action (Remedies) |
|
|
| "Exhaust system leaking fumes |
noisy |
whistles |
or rattles" |
Loose exhaust system attaching parts |
Tighten loose part(s); for loose manifold (group 15) |
|
|
|
"Constricted exhaust pipes |
muffler spout |
or muffler" |
Remove constriction or replace defective part: also see other remedies for last malfunction in this table. |
|
|
|
Defective exhaust pipe gasket |
Replace gasket |
|
|
|
"Muffler |
spout (tail pipe) or exhaust pipes have holes (rusted or burned)" |
Replace defective part. |
|
|
|
"Loose |
cracked |
or broken exhaust manifold" |
Correct defect. |
|
|
|
Loose or defective waste destruct injector |
Install servicable injector |
|
|
| Engine overheats |
Badly damaged or missing heat shields or parts of exhaust system |
"Repair |
reinstall or replace parts as necessary." |
|
|
| "Engine runs rough |
because of excessive back pressure in exhaust system (3 psi max allowable)" |
"Constricted or clogged muffer |
exhaust pipe |
or spout." |
Remove constriction or replace clogged muffler. Check waste destruct system for malfunctions that may cause muffler clogging. Check engine for malfunctions that may clog muffer. |
|
|
| Excessive liquid emitted from tail pipe. |
Waste destruct system malfunctioning |
(Group 35) |
|
|
