Valve Springs: Installation

All valve springs 

NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur.
1. Using the Valve Spring Compressor, install the valve spring, the valve spring retainer and the valve spring retainer keys.
Fig 1: Compressing Valve Spring With Special Tool (303-1039)
Courtesy of FORD MOTOR CO.
2. Relieve the air pressure from the cylinder.
NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur.
NOTE: Do not allow the valve keepers to fall off the valve or the valve may drop into the cylinder. If a valve drops into the cylinder, the cylinder head must be removed. For additional information, refer to Cylinder Head .
NOTE: It may be necessary to push the valve down while compressing the spring.
NOTE: Lubricate the camshaft roller followers with clean engine oil prior to installation.
3. Using the Valve Spring Compressor, compress the valve spring and install the camshaft roller follower.
Fig 2: Identifying Special Tool (303-1039) For Removing/Installing Camshaft Roller Followers
Courtesy of FORD MOTOR CO.

Cylinder No. 7 front intake valve spring 

4. Position the camshaft bearing cap and install the 2 bolts.
   • Tighten to 10 Nm (89 lb-in).
Fig 3: Identifying Bolts And Camshaft Bearing Cap
Courtesy of FORD MOTOR CO.
5. Lubricate the balance shaft journals with clean engine oil.
NOTE: Camshaft sprocket removed from art for clarity.
NOTE: It may be necessary to rotate the crankshaft to align the balance shaft timing marks.
6. Position the balance shaft on the journals and align the timing mark on the balance shaft with the camshaft timing mark as shown.
Fig 4: Positioning Balance Shaft On Journals & Aligning Timing Mark On Balance Shaft With Camshaft Timing Mark
Courtesy of FORD MOTOR CO.
NOTE: The balance shaft bearing caps must be installed into their original locations or engine damage may occur.
7. Position the 3 balance shaft bearing caps and install the 6 bolts and tighten in the sequence shown.
   • Tighten to 10 Nm (89 lb-in).
Fig 5: Identifying Balance Shaft Bolt Loosening/Tightening Sequence
Courtesy of FORD MOTOR CO.

Cylinder No. 10 front intake valve spring 

8. Position the camshaft bearing cap and install the 2 bolts.
   • Tighten to 10 Nm (89 lb-in).
Fig 6: Identifying Bolts And Camshaft Bearing Cap
Courtesy of FORD MOTOR CO.
9. Lubricate the balance shaft journals with clean engine oil.
NOTE: Camshaft sprocket removed from art for clarity.
NOTE: It may be necessary to rotate the crankshaft to align the balance shaft timing marks.
10. Position the balance shaft on the journals and align the timing mark on the balance shaft with the camshaft timing mark as shown.
Fig 7: Positioning Balance Shaft On Journals & Aligning Timing Mark On Balance Shaft With Camshaft Timing Mark
Courtesy of FORD MOTOR CO.
NOTE: The balance shaft bearing caps must be installed into their original locations or engine damage may occur.
11. Position the 3 balance shaft bearing caps and install the 6 bolts and tighten in the sequence shown.
    • Tighten to 10 Nm (89 lb-in).
Fig 8: Identifying Balance Shaft Bolt Loosening/Tightening Sequence
Courtesy of FORD MOTOR CO.

All valve springs 

12. Install the spark plug. For additional information, refer to ENGINE IGNITION - 5.4L AND 6.8L (3V) article.
13. Depending on the valve being serviced, install the LH or RH valve cover. For additional information, refer to Valve Cover - LH  or Valve Cover - RH  .