Ford Transit 2002 Owner's Manual page 1127

Intake Air Distribution and Filtering -
Intake Air Distribution and Filtering
Diagnosis and Testing
Inspection and Verification
1. 1. Verify the customer concern.
2. 2. Visually inspect for obvious signs of mechanical damage.
Visual Inspection Chart
3. 3. If an obvious cause for an observed or reported concern is found, correct the cause
(if possible) before proceeding to the next step.
4. 4. If the cause is not visually evident, verify the symptom and refer to the Symptom
Chart.
Symptom Chart
NOTE: Some engine oil will be found in the intake components. This is normal and does
not indicate that the turbocharger has failed.
Symptom Possible Sources
Excessive * Detached air cleaner
intake air intake pipe.
noise * Detached air cleaner
outlet pipe.
* Detached charge air
cooler intake pipe
(vehicles with diesel
engines).
* Detached charge air
cooler outlet pipe
(vehicles with diesel
engines).
Oil in the air * Blocked positive
intake crankcase ventilation
system (PCV) valve - all except
vehicles with diesel
engine.
* Blocked or damaged
PCV pipe(s)/hose(s).
* Blocked crankcase vent
oil separator.
Mechanical
Air cleaner intake pipe
Air cleaner outlet pipe
Air cleaner
Air cleaner element
Charge air cooler
Charge air cooler intake pipe
Charge air cooler outlet pipe
* CHECK the pipe(s) for security and leaks to
atmosphere. INSTALL new intake air system
components as necessary. TEST the system for
normal operation.
* All except vehicles with diesel engine.
REFER to: Engine Emission Control
Emission Control - 1.8L Duratec-DOHC
(85kW/115PS) - Zetec, Diagnosis and Testing).
Vehicles with diesel engine.
REFER to: Engine Emission Control - 75 PS/90 PS
(303-08B Engine Emission Control - 1.8L Duratorq-
TDCi (Lynx) Diesel/1.8L Duratorq-TDDi (Lynx)
Diesel, Diagnosis and Testing) /
Engine Emission Control - 110 PS (303-08B Engine
Emission Control - 1.8L Duratorq-TDDi (Kent)
Diesel/1.8L Duratorq-TDCi (Kent) Diesel, Diagnosis
and Testing).
http://vnx.su
Transit/Tourneo Connect 2002.5 (06/2002-)
Action
(303- 08A Engine
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