oil is still clean and is not thick • no sludge ... · note the bearing damage and bluing of the...

Example of proper oil change intervals based on upper end evaluation1999 Ford F-150, 4.2L V6 2-valve, 100,000 miles

• No sludge accumulation is found on the valvetrain• Oil is still clean and is not thick• If failure occurred, the failure would be warrantable

2000 Ford F-150, 5.4 liter SOHC, 86,000 miles

• No sludge accumulation is found on the valvetrain• Oil is starting to varnish. The oil change intervals should be evaluated for timeliness• The level of varnish in the engine can be scraped with a finger nail• If failure occurred, the failure could be warrantable. Maintenance records should be

evaluated prior to repairs

Example of marginal maintenance in the lower and upper end of the engine

1999 Ford Taurus, 3.0 Liter DOHC V6, 46,000 miles

• There is sludge accumulation is found on the valvetrain • The oil is thick and broke down• The bearing shown has significant signs of lubrication

restriction from sludge accumulation• This failure is not warrantable

Example of improper maintenance in the lower and upper end of the engine

~Printed Copies are Uncontrolled~ Copyright 2004 Ford Motor Company

Gasoline Engine Oil Change Maintenance InformationOriginal vs. Service Oil Filter Identification

Note:

? Original plant installed oil filters are marked with a red or black square

? Original plant installed filters are painted gray or white and have Motorcraft lettering written in black (when Motorcraft lettering is present).

? Service replacement oil filters have the Motorcraft lettering written in red.


Examples of Proper Oil Change Maintenance

Pictures above are from:

1994 Ford Taurus3.0L V6 2-valve190,000 miles Oil and filter changes performed every 3000-5000 miles

Things to note in photo:1. No sludge accumulation is found on the valvetrain. 2. Oil is still clean after 3000 miles and is not thick. 3. Underside of valve cover does not have any build up of sludge. .


Examples of Improper Oil Change Maintenance

Pictures above are from:2001 Windstar3.8L V6 2-valve33509 miles

No maintenance history

1. Heavy oil sludge in the valve train.2. Heavy oil sludge found in underside of engine valve cover. 3. Any lubrication related condition should not be covered by warranty or ESP.

Note: Positive Crankcase Ventilation (PCV) System malfunctions may cause oil sludge if left uncorrected.


Examples of Proper Oil Change Maintenance

Pictures above are from a:

1997 Ford Crown Victoria4.6L SOHC140,000 miles

Regular maintenance performed with Motorcraft oil and filters

Pictures above are from a:

2001 Ford Expedition5.4L SOHC27304 miles

No maintenance history available

1. Heavy oil sludge found in valvetrain. 2. Any lubrication related condition should not be covered by warranty or ESP.



Example of Proper Oil Change Maintenance

Pictures above are from:

1997 Ford Explorer4.0L SOHC169,999 milesProper maintenance performed every 3000-5000 miles

Things to note in photo:1. No sludge accumulation is found on the valvetrain. 2. Underside of valve cover does not have any build up of sludge. .



Pictures above are from:2002 Ford Explorer4.0L SOHC 28775 miles

No maintenance history

1. Heavy oil sludge from lack of oil changes.2. Heavy oil sludge build-up on underside of valve cover.3. Any lubrication related condition should not be covered by warranty or ESP.


Examples of Engine Damage from Oil Starvation/Lack of Maintenance (5.4L SOHC)

Oil starvation/lack of maintenance caused the failure in the photos above. Please note the bearing damage and bluing of the bearing cap from heat in the first photo and the lack of oil sludge on the connecting rod bearing caps in the second photograph. This damage may occur when the oil deteriorates and burns (causing low level) and looses its lubrication qualities. The bearings may be damaged because they no longer have oil cooling and lubricating them which generates heat (evidenced by bluing/discoloration).

~Printed Copies are Uncontrolled~

Copyright Ford Motor Company

Diesel Engine Maintenance Information

Oil Filter Identification (Factory Installed vs. Service)

Note on Diesel Engine OEM Filter:

The 7.3L factory installed filter is completely white

and has no markings on it. The service filter has

the word Motorcraft in red lettering

The 6.0L oil filter is a cartridge style and has no

special distinction between the factory installed

and service. The filter cartridge shown in the

pictures is the factory installed filter.

7.3L 7.3L

6.0L

oil is still clean and is not thick • no sludge ... · note the bearing damage and bluing of the...

Documents