Line Pressure Adapter and Gage Installation. Cadillac Concours 1997

For 1990-2009 cars

#### Tools Required

• | J 21867-94 Line Pressure Adapter Kit

• | J 21867-100 Pressure Gauge Adapter

1. Remove the air cleaner assembly.
2. Raise the vehicle and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
3. Remove the Line Pressure Plug.
4. Install J 21867-100 using a ratchet box wrench. Tighten the adapter so that the insert hole for the dowel rod is in a 1 o'clock position.
5. Lower the vehicle.
6. Install the dowel rod from J 21867-94 .
7. Attach a line pressure gauge and hose to the dowel rod fitting.
8. Secure the hose in a safe position to avoid damage to the tools and vehicle during the line pressure testing.
9. When you have completed the testing procedure, remove the line pressure gauge and hose from the dowel rod fitting.
10. Remove the dowel rod.
11. Raise the vehicle and suitably support the vehicle.
12. Remove J 21867-100 using a ratchet box wrench.
13. Install the line pressure plug.
14. Lower the vehicle.
15. Install the air cleaner assembly.