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How To: Install Mustang GT Cam Phaser (05-10 4.6L)

Replace a damaged or malfunctioning cam phaser in your three valve Mustang GT with this detailed replacement guide!

Viewing this install and using the information shared is subject to the terms set forth here - View the LMR Install Instructions Disclaimer.

Mustang GT Cam Phaser

If you're experiencing engine issues in your 2005-2010 3 valve Mustang, then you may need to consider replacing your cam phasers. Common symptoms of a defective cam phaser is a rough idle, hesitation, ticking, or a light knocking noise when the engine is at operating temperature.

One of our employee's cars was actually throwing a check engine light for a faulty cam phaser. There was no noise, but you could hear a light tick and feel a slight vibration at idle or cruising speeds. Damage to the cam phasers can result from ruthless driving habits, such as beating the crap out of the car every time you’re behind the wheel. Or, in this situation, a previous owner who really didn’t keep track of the maintenance and went several thousand miles over a scheduled oil change.


Required Tools

  • Timing Chain Wedge Tool
  • Fuel Line Disconnect Set
  • 3/8" Torque Wrench
  • Torque Angle Gauge
  • Hi-Temp Black RTV Silicone
  • 1/4" Socket Wrench
  • 3/8" Socket Wrench
  • 1/2" Socket Wrench
  • 1/2" Breaker Bar
  • 18mm Socket
  • 15mm Socket
  • 8mm Socket


Install

  1. To begin installation, pop your hood and disconnect the negative battery cable.
  2. Remove your stock intake from the car.
  3. Remove the intake manifold cover if equipped.
  4. Disconnect the PCV, vacuum, and fuel supply line connections.
  5. Remove the four coil-on-plugs, loosen the dipstick from the engine block, and remove the EVAP Canister Purge Valve from the strut tower.
  6. Loosen the valve cover bolts and remove the valve cover.
  7. Rotate the crank pulley until the timing mark is at the 1 o’clock position.
  8. Position a timing chain wedge tool in between the timing chain and chain guides.
  9. Ensure that the tool is installed square to the timing chain and engine block.
  10. Use a paint pen to mark the camshaft phaser and timing chain orientation.
  11. Carefully position channel locks on the camshaft just behind the phaser.
  12. Loosen the phaser bolt with a 15mm socket.
  13. If you notice, the reluctor and spring separated from the phaser itself. (This could have potentially been our problem.)
  14. Keep in mind, since every car and problem is different, yours may stay attached.
  15. An extra set of hands will help make removal of the phaser a lot easier.
  16. Lift up on the timing chain and slide the phaser off of the camshaft.
  17. Before installing your new phaser, it help to remove the camshaft position sensor.
  18. With the sensor removed position the new phaser onto the camshaft in its correct orientation.
  19. Next, lightly apply engine oil to the new bolt.
  20. Thread the new bolt into the camshaft and torque to 30 lb/ft.
  21. Remove the wedge tool and channel locks.
  22. Tighten the phaser bolt an additional 90 degrees.
  23. Take this time to inspect the valve cover gasket and replace if necessary.
  24. Clean up the cylinder head to valve cover mating surface and carefully scrape off the old RTV gasket maker.
  25. Reinstall the camshaft position sensor and apply a small amount of RTV where the cylinder head and valve cover meet.
  26. Reinstall the valve cover, and go back on with all of the previously removed components.
  27. Double check everything and you’re all done!

Cam Phaser For Sale!


About the Video

Mustang GT Cam Phaser Replacement (2005-2010 4.6L)

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Published on 2015-05-06
If you're experiencing engine issues in your 2005-2010 3 valve Mustang, then you may need to consider replacing your cam phasers. Common symptoms of a defective cam phaser is a rough idle, hesitation, ticking, or a light knocking noise when the engine is at operating temperature.

For example, this Mustang was actually throwing a check engine light for a faulty cam phaser. There was no noise, but you could hear a light tick and feel a slight vibration at idle or cruising speeds. Damage to the cam phasers can result from ruthless driving habits, such as beating the crap out of the car every time you’re behind the wheel. Or, in this situation, a previous owner who really didn't keep track of the maintenance and went several thousand miles over a scheduled oil change.
Transcript
What’s going on everyone, Landan here with LMR! And today I’m going to taking a look at a high quality replacement cam phaser fitting your 2005-2010 3 valve Mustang!

If you're experiencing engine issues in your 2005-2010 3 valve Mustang, then you may need to consider replacing your cam phasers. Common symptoms of a defective cam phaser is a rough idle, hesitation, ticking, or a light knocking noise when the engine is at operating temperature.

This 2006 Mustang, was actually throwing a check engine light for a faulty cam phaser. There was no noise, but you could hear a light tick and feel a slight vibration at idle or cruising speeds. Damage to the cam phasers can result from ruthless driving habits, such as beating the crap out of the car every time you’re behind the wheel. Or, in this situation, a previous owner who really didn’t keep track of the maintenance and went several thousand miles over a scheduled oil change.

Follow along guys, as we walk you through the steps on installing cam phasers into this 3 Valve Mustang. But, before we begin, be sure and have a timing chain wedge tool prior to install which can be viewed by clicking the link in the description.

Alright guys, this is not near as bad as what you’re probably thinking… I promise. This can definitely be done by someone with average mechanical skill in about 2 hours. Each cam phaser is sold individually, so if you are replacing both, be sure to order two.

If you guys want to see the BEST install videos for your 2005-2010 Mustang, then subscribe to our YouTube channel, by clicking the link in the video description if you’re watching this elsewhere. And don’t forget, pick up some replacement cam phasers for your 3 Valve Mustang at LMR.com!

To begin installation, pop your hood and disconnect the negative battery cable. Next, remove your stock intake from the car. Remove the intake manifold cover if equipped. Disconnect the PCV, vacuum, and fuel supply line connections. Remove the four coil-on-plugs, loosen the dipstick from the engine block, and remove the EVAP Canister Purge Valve from the strut tower. Finally loosen the valve cover bolts and remove the valve cover.

Rotate the crank pulley until the timing mark is at the 1 o’clock position. Next, position a timing chain wedge tool in between the timing chain and chain guides. Ensure that the tool is installed square to the timing chain and engine block. Use a paint pen to mark the camshaft phaser and timing chain orientation. Carefully position channel locks on the camshaft just behind the phaser. Loosen the phaser bolt with a 15mm socket.

If you notice, the reluctor and spring separated from the phaser itself. This could have potentially been our problem. Keep in mind, since every car and problem is different, yours may stay attached. An extra set of hands will help make removal of the phaser a lot easier. Lift up on the timing chain and slide the phaser off of the camshaft. Before installing your new phaser, it help to remove the camshaft position sensor. With the sensor removed position the new phaser onto the camshaft in its correct orientation.

Next, lightly apply engine oil to the new bolt. Thread the new bolt into the camshaft and torque to 30 lb/ft. Remove the wedge tool and channel locks. And then, tighten the phaser bolt an additional 90 degrees. Take this time to inspect the valve cover gasket and replace if necessary. Clean up the cylinder head to valve cover mating surface and carefully scrape off the old RTV gasket maker. Reinstall the camshaft position sensor and apply a small amount of RTV where the cylinder head and valve cover meet. Reinstall the valve cover, and go back on with all of the previously removed components. Double check everything and you’re all done!