5NP-V8G4U-08

GROUP
NUMBER
ENGINE
MECHANICAL
Technical Service Bulletin
DATE
17-EM-001
MODEL
JULY, 2017
ALL MODELS
INTAKE AND EXHAUST SYSTEM INSPECTION AND
REPLACEMENT GUIDELINES DURING ENGINE REPLACEMENT
SUBJECT
This TSB supersedes TSB 14-EM-001 with revisions to the Applicable Components.
Description:
Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of
the engine intake and exhaust system accordingly during engine short block or sub-assembly
replacement.
NOTICE
Failure to follow this TSB may result in reoccurring damage to the new engine assembly.
If the short engine assembly is being replaced, refer to TSB 10-EM-003 (ENGINE OIL PUMP
REPLACEMENT GUIDELINES DURING ENGINE REPLACEMENT) for additional information.
Applicable Vehicles:
•
All engine equipped models
Inspection and Recommended Service Action:
Engine Condition
Recommended Action
Applicable Components
REPLACE if debris
is found inside
(clean any light
Any physical damage
residue if no debris is
to one or more
found)
combustion
•
•
•
•
•
Intake Manifold
Air Intake Filter
Air Intake Carbon Trap (if equipped),
Intercooler (if equipped)
Exhaust Manifold w/Catalyst Assembly
chambers, valves,
Inspect and
cylinder walls, and/or
CLEAN ONLY
piston tops due to
(Replace, if
internal engine issue. damaged or debris is
•
•
•
•
•
•
•
Throttle body
PCV System / Valve Cover Baffle
Air Intake Hose / Pipe
MAF Sensor,
Exhaust Manifold (Non-Catalyst Type)
Intercooler Pipe (if equipped)
Turbocharger (if equipped)
stuck.)
•
Engine oil consumption
•
and/or excessive combustion
•
blow by due to reduced seal Inspect and CLEAN
•
between cylinder walls and
•
piston rings.
•
Intake Manifold
Throttle Body
PCV System / Valve Cover Baffle
Air Intake Hose / Pipe
Intercooler Pipe (if equipped)
Intercooler (if equipped)
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
SUBJECT: INTAKE AND EXHAUST SYSTEM INSPECTION AND REPLACEMENT GUIDELINES
NOTICE
•
•
Inspect and Clean: Inspect the component for any debris and clean using an appropriate
cleaning agent (such as a degreaser), then drain/remove any residual liquids. Be sure to fully
dry with shop air. Replace if any debris is stuck inside and cannot be fully cleaned.
Service Procedure: Refer to applicable Shop Manual for the required service procedures.
Warranty Information:
Normal warranty applies.
TSB #: 17-EM-001
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