| The Ford F-Series has been around since 1948 | | | | INSTALLING THE NEW MANIFOLD: |
| with tons of body styles and performance options | | | | 4. Carefully place the exhaust manifold gasket in |
| available. When it comes to F-150's that were | | | | the right position. Make sure it it is directly above |
| manufactured from 2001- 2003, as well as the | | | | the manifold. You should probably install the nuts |
| 2004 Heritage editions, replacing the exhaust | | | | by hand. |
| manifold can be a tricky process. For 4.6L and | | | | 5. Then you want to tighten the nuts in |
| 5.4L engines, removing and installing a new | | | | sequencing, being sure to alternate sides. Next, |
| exhaust manifold entails the same easy | | | | torque the nuts in three different passes to about |
| procedure. Keep reading for the step by step | | | | 18 foot pounds. After that, carefully install the |
| process of removing the exhaust manifold on | | | | catalytic converter. |
| your Ford. | | | | 6. Before proceeding to install the electrical |
| REMOVING THE OLD MANIFOLD: | | | | connector, put in place the differential pressure |
| 1. First, you want to raise the truck making sure | | | | feedback EGR system into the 4.6L engine. |
| the support is secure. Start with taking off the | | | | Beginning at the top, hand-tighten the fittings and |
| front wheel and opening the molding on vehicles | | | | torque the nuts to 26 to 33 pounds. |
| with a 4 x 4 option. You need to unbolt and | | | | 7. Proceed to install both of the fittings into the |
| remove your front fender splash guard before | | | | 5.4L engine. Beginning at the top, hand-tighten the |
| beginning. | | | | nuts first. Again torque the nuts to about 30 to |
| 2. Next, you have to remove the nut and brake | | | | 44 pounds. Then reconnect the differential |
| booster vacuum hose, as well as the bracket. | | | | pressure feedback system. |
| Then you want to locate the EGR valve tube and | | | | 8. Re-install the brake booster vacuum and hook |
| remove that as well. | | | | the bracket and bolt back onto the engines. You |
| 3. After you loosen the nuts, take the exhaust | | | | may want to replace the front fender splash |
| manifold and remove it from the engine. Take off | | | | guard and/or the front wheel opening on 4 x 4 |
| the attached gasket and throw it away. Clear | | | | models. |
| away all the debris left over from the gasket on | | | | 9. Afterwards, lower your vehicle carefully, start |
| the manifold surface and keep your eye out for | | | | your engine, and begin examining for any exhaust |
| any damages. | | | | leaks. |