The Ford PTU (Power Transfer Unit) takes Ford Motorcraft 75w-140 synthetic gear lube. It holds approximately 18 ounces of this fluid. While the owner’s manual may not mention periodic oil changes for the PTU, automotive experts recommend changing the PTU fluid every 30,000 miles. It is important to maintain the PTU fluid to avoid potential issues and premature failures .
Contents
- How often should you change PTU fluid?
- How does a Ford PTU work?
- Is transfer case fluid service necessary?
- What transfer case fluid do I need?
- How do I know if my Ford PTU is bad?
- How much oil does a Ford Edge PTU hold?
- How do I know if I need transfer case fluid?
- How much fluid does a Ford PTU hold?
- What is the problem with the PTU transmission?
- How do I know if my transfer case is blown?
How often should you change PTU fluid?
Special Operating Conditions Scheduled Maintenance
| Towing a trailer or using a car-top carrier | |
|---|---|
| Every 30,000 mi (48,000 km) | Change PTU and rear axle fluid (AWD only). See axle and PTU maintenance items under Exceptions. |
| Change automatic transmission fluid. | |
| Every 60,000 mi (96,000 km) | Replace spark plugs. |
How does a Ford PTU work?
The PTU is an all-wheel drive (AWD) transfer case used in cars and sport utility vehicles. It allows for power to all four wheels either part time or full time, and also varies how much power goes to the front and rear by specific driving conditions.
Is transfer case fluid service necessary?
There are many different types of four-wheel and all-wheel drive configurations so the type of transfer case in each vehicle may vary. But no matter the type of transfer case, they all require transfer case fluid to lubricate the gears and bearings inside the transfer case.
What transfer case fluid do I need?
Transfer cases may be filled with gear oil, automatic transmission fluid (ATF), or specialty lubricants. It is important to regularly inspect the transfer case for any damage, leaks, or other concerns.
How do I know if my Ford PTU is bad?
Usually if your PTU is faulty or is failing, Symptoms include a propane smell, shuttering when taking off, grinding, grating, growling, etc noise that varies with speed, you will be able to hear heavy grinding noises or vibrations when cornering at low speeds, and sometimes the PTU can fail if it has got an oi leak.
How much oil does a Ford Edge PTU hold?
Oil Grade: SEOB4
Capacity: With filter 6 quarts.
How do I know if I need transfer case fluid?
Difficulty changing gears – Low or dirty transfer case fluid can affect your transmission’s ability to shift gears. It can also result in your car unexpectedly falling out of four-wheel drive. Loud noises while driving – As the transfer case fluid loses its lubricating properties, friction will occur inside.
How much fluid does a Ford PTU hold?
17.9 fl oz
Capacities and Specifications – 3.5L
| Item | Capacity |
|---|---|
| Power Transfer Unit (PTU) fluid (All Wheel Drive) | 17.9 fl oz (0.53 L) |
| Automatic transmission fluid* | 11.0 qt (10.4 L) |
| Windshield washer fluid | Fill as required |
| Fuel tank (Front Wheel Drive) | 18.4 gal (69.5 L) |
What is the problem with the PTU transmission?
The car manufacturer has revealed the PTU allows relative movement between the differential input splines and the transmission output shaft, and that this movement could result in the teeth of the input splines wearing off.
How do I know if my transfer case is blown?
Noise from transfer case is a sign that you may have vehicle problems. Whining, growling, and humming are all bad transfer case sounds. This may come from a fluid leak or a mechanical problem like damaged gears. Another symptom other than noise from transfer case is the vehicle jumping in and out of four-wheel drive.
