Content .. 173 174 175 176 ..

Mitsubishi Montero (1998+). Manual - part 175

loose .................. A ... Require repair or replacement

of injection tube or

replacement of catalytic

converter.

Air injection tube

restricted ............. A ... Require repair or replacement

of injection tube or

replacement of catalytic

converter.

Air injection tube

threads damaged ........ A ... Require repair or replacement

of injection tube or

replacement of catalytic

converter.

Air injection tube

threads stripped

(threads missing) ...... A ... Require repair or replacement

of injection tube or

replacement of catalytic

converter.

Body cracked ............ B .. Require repair or replacement.

Converter empty ......... A .. Require repair or replacement.

Converter fill plug

missing ................ C .. Require repair or replacement.

Converter missing ....... C ............ Require replacement.

Exhaust gases leaking ... A .. Require repair or replacement.

Flanges leaking ......... A ... Require repair or replacement

of flanges.

Inlet pipes cracked ..... B .. Require repair or replacement.

Internal rattle (except

pellet-type) ........... 2 .......... ( 1) Further inspection

required.

Mounting brackets that

are part of converter

broken ................. A .. Require repair or replacement.

Obvious overheating ..... .. ......... ( 2) Require testing of

converter.

Outlet pipes cracked .... B .. Require repair or replacement.

Pieces of catalyst

material found

downstream ............. 1 ............ Suggest replacement.

Plugged ................. A ........ (3) Require replacement.

Testing has determined

that existing converter

has been lead-poisoned,

contaminated, or failed

testing ................ A .. Require repair or replacement.

(1) - If the converter is breaking up, suggest converter

replacement. If an object has fallen into the converter,

remove the object.

(2) - Overheating is caused by something other than the

converter. Further diagnosis is required to determine

the cause of the overheating.

(3) - Determine cause and correct to ensure that new converter

will not become plugged.

EXHAUST AND TAIL PIPES

NOTE: For pipes with resonators, also see MUFFLERS AND RESONATORS.

EXHAUST AND TAIL PIPE INSPECTION

Condition Code Procedure

Bracket broken .......... A .. Require repair or replacement.

Pipe bent out of

position ............... B .. Require repair or replacement.

Pipe broken ............. A .. Require repair or replacement.

Pipe cracked ............ B .. Require repair or replacement.

Pipe leaking ............ A ............ Require replacement.

Pipe missing ............ C ............ Require replacement.

Pipe plugged ............ A ............ Require replacement.

Pipe weak due to

corrosion, but no leaks

present ................ 1 ............ Suggest replacement.

Weld broken ............. A .. Require repair or replacement.

EXHAUST CONNECTIONS

EXHAUST CONNECTION INSPECTION

Condition Code Procedure

Attaching hardware

incorrect .............. B ......... Require replacement of

hardware.

Clamp broken ............ A ........... Require replacement.

Clamp loose ............. A . Require repair or replacement.

Clamp missing ........... C ........... Require replacement.

Corroded, affecting

structural integrity ... 1 ........... Suggest replacement.

Incorrect type (i.e.

flange, ball & socket

etc.) .................. B ........... Require replacement.

Leaking ................. A ................ Require repair.

Loose ................... A ................ Require repair.

HANGERS

HANGER INSPECTION

Condition Code Procedure

Broken .................. A ............ Require replacement.

Corroded, affecting

structural integrity ... 1 ............ Suggest replacement.

Incorrect type .......... B ............ Require replacement.

Loose ................... A .. Require repair or replacement.

Missing ................. C ............ Require replacement.

Out of position ......... B .. Require repair or replacement.

Rubber deteriorated ..... 1 ............ Suggest replacement.

HEAT RISERS (MECHANICAL EFE DEVICES)

HEAT RISER (MECHANICAL EFE DEVICE) INSPECTION

Condition Code Procedure

Broken .................. A .......... Require replacement of

affected parts.

Diaphragm inoperative ... A ........ (1) Require replacement.

Leaking ................. A .. Require repair or replacement.

Noisy ................... 2 ... Suggest repair or replacement

of affected parts.

Seized .................. A ... Require repair or replacement

of affected parts.

Spring broken ........... B .......... Require replacement of

spring(s).

Spring inoperative ...... A .......... Require replacement of

spring(s).

(1) - If the inoperative diaphragm is separate from the heat

riser, then require replacement of the inoperative

diaphragm. If the inoperative diaphragm is part of the

heat riser, then replace the heat riser.

HEAT SHIELDS

HEAT SHIELD INSPECTION

Condition Code Procedure

Bent .................... B .. Require repair or replacement.

Broken .................. A ............ Require replacement.

Corroded, affecting

structural integrity ... 1 ............ Suggest replacement.

Loose ................... A .. Require repair or replacement.

Missing ................. C ............ Require replacement.

MANIFOLDS (CAST AND TUBE TYPE)

MANIFOLD (CAST AND TUBE TYPE) INSPECTION

Condition Code Procedure

Air injection tube in

manifold broken ........ A ... Require repair or replacement

of injection tube or

replacement of manifold.

Air injection tube in

manifold corroded,

affecting structural

integrity .............. 1 ......... Suggest replacement of

injection tube or manifold.

Air injection tube in

manifold leaking ....... A ... Require repair or replacement

of injection tube or

replacement of manifold.

Air injection tube in

manifold loose ......... A ................. Require repair.

Air injection tube in

manifold restricted .... A .......... Require replacement of

injection tube or manifold.

Air injection tube in

manifold threads

damaged ................ A ..... Require repair of injection

tube or manifold.

Air injection tube in

manifold threads stripped

(threads missing) ...... A .......... Require replacement of

injection tube or manifold.

Bolt broken ............. A ... Require replacement of bolts.

Bolt loose .............. A ........... Require tightening or

replacement of bolts.

Bolt missing ............ C ... Require replacement of bolts.

Corroded, affecting

sealability ............ A .. Require repair or replacement.

Cylinder head threads

stripped ............... A ... Require repair or replacement

of cylinder head.

Gasket leaking .......... A ........... Require tightening or

replacement of gasket.

Heat stove bent ......... B ........... ( 1) Require repair or

replacement of stove.

Heat stove broken ....... A ......... ( 1) Require replacement

of stove.

Heat stove corroded,

affecting structural

integrity .............. 1 ......... ( 1) Suggest replacement

of stove.

Heat stove missing ...... C ......... ( 1) Require replacement

of stove.

Manifold broken ......... A .. Require repair or replacement.

Manifold cracked ........ B .. Require repair or replacement.

Manifold warped ......... A .. Require repair or replacement.

Out of specification .... B .. Require repair or replacement.

Stud broken ............. A .... Require replacement of stud.

Stud missing ............ C .... Require replacement of stud.

Stud threads damaged .... A ... Require repair or replacement

of stud.

Stud threads stripped

(threads missing) ...... A .... Require replacement of stud.

(1) - Stove may not be available separately; this may require

replacement of manifold.

MECHANICAL EFE DEVICES

See HEAT RISERS (MECHANICAL EFE DEVICES).

MUFFLERS AND RESONATORS

MUFFLER AND RESONATOR INSPECTION

Condition Code Procedure

Body shell distorted,

affecting performance or

structural integrity ... A ............ Require replacement.

Corrosion hole .......... A ............ Require replacement.

Missing ................. C ............ Require replacement.

Mounting bracket broken . A .. Require repair or replacement.

Mounting bracket

cracked ................ B .. Require repair or replacement.

Nipple cracked .......... A .. Require repair or replacement.

Nipple loose ............ B ............ Require replacement.

Outer wrap peeling

(exhaust not leaking) .. 1 ............ Suggest replacement.

Plugged ................. A ............ Require replacement.

Puncture (other than a

drain hole) ............ A ............ Require replacement.

Rattling or knocking noise

from inside muffler .... B ............ Require replacement.

Seam open (exhaust

Content .. 173 174 175 176 ..