Ford Transit 2002 Owner's Manual page 347

- Air cleaner is blocked.
- Faulty idle air control valve.
* Fault in valve train.
- Burned out exhaust valve.
- Timing incorrectly adjusted.
- Cracked or damaged timing
belt.
* Engine components faulty.
- Piston burned through.
- Piston rings.
- Cylinder head gasket.
- Big-end and/or main bearing
journal.
Noisy running * Misfiring/backfiring
- Fuel has wrong octane
number (petrol engines only),
or the wrong type of fuel is
filled.
- Fault in ignition system (petrol
engines only).
- Engine temperature too high.
- Carbon deposits in the
combustion chamber start to
glow and cause misfiring.
- Timing incorrect, which causes
misfiring in the intake/exhaust
system.
* Fault in valve train.
* Valve clearance too large,
resulting from faulty bucket
tappet or incorrect valve
clearance setting.
* Valve timing incorrectly
adjusted - valves and pistons
are touching.
* Cracked or damaged timing
belt.
* Engine components faulty.
- Pistons.
- Piston rings.
- Cylinder head gasket.
- Big-end and/or main bearing
journals.
* Engine components or
ancillary components are
broken or loosened.
* Dual mass flywheel faulty
and Filtering.
* Connect compressed air to the
cylinders. If air flows out through the
intake manifold or the exhaust pipe,
check the valve train.
* Connect the compressed air line to the
cylinder. If air is escaping from the
opened oil filler cap, remove the cylinder
head and check the components.
Dismantle the engine if necessary and
check the components. 1.8L engine -
REFER to Section
303-01B
REFER to Section
303-01B
* Determine the cause of the misfiring
and rectify it.
- Determine which type of fuel was last
put in the tank (note the country specific
fuel specifications).
- Check the ignition system. 1.8L engine -
REFER to Section
Ignition
- Check the engine cooling. REFER to
Section
- Remove the carbon deposits by using
fuel additives and driving the vehicle
carefully
- Check the valve timing.
* Check the valve train.
* Set the valve clearance (if possible) or
replace the faulty bucket tappet.
* Check and set the valve timing if
required. 1.8L engine - REFER to
Section
Engine. 1.8L diesel engine - REFER to
Section
Engine.
* Check the timing belt. In addition, check
the pistons and valves for damage and
renew all faulty parts.
* Disassemble the engine and check
components. 1.8L engine - REFER to
Section
Engine. 1.8L diesel engine - REFER to
Section
Engine.
* Check the condition of the engine
components and check that they are
tight and seated correctly. If necessary,
tighten to the prescribed torque. Renew
the broken components.
* Check the dual mass flywheel.
REFER to
with Dual Mass Flywheel
http://vnx.su
303-01A Engine
Engine. 1.8L diesel engine -
303-01A Engine
Engine.
303-07A Engine
/ 303-07B Glow Plug System.
303-03 Engine Cooling.
303-01A Engine / 303-01B
303-01A Engine / 303-01B
303-01A Engine / 303-01B
303-01A Engine / 303-01B
Flywheel Inspection - vehicles
in this section.
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