1991 Ford F-150 INTAKE MANIFOLD

Tiny
S.SAURBER
  • MEMBER
  • 1991 FORD F-150
1991 Ford F150 V8 Four Wheel Drive 164000 miles

How do I change a lower manifold gaskest
Saturday, December 6th, 2008 AT 1:04 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Removal (Lower)
1. Release fuel pressure. Disconnect negative battery cable. Using Disconnect Tool (D87L-9280-A or B), disconnect fuel supply and return line.
2. If hairpin-type retainer is used, remove hairpin by bending tab downward so it will clear body. Using your hands, spread clip legs.125" (3 mm) and push legs into fitting. Pull hairpin clip from fitting. See Fig. 2. 3. Remove upper intake manifold. Remove distributor cap and plug wires as an assembly. Position engine on No. 1 cylinder TDC of compression stroke. Align TDC marks on crankshaft damper with front cover index plate. Mark and remove distributor assembly.
4. Mark and disconnect electrical connectors and vacuum hoses from lower manifold. Remove fuel injector wiring harness. Note oxygen sensor wire-to-stud location for installation reference, and remove ground wire. Remove upper radiator hose, by-pass hose and heater outlet hose.
5. Remove air cleaner bracket. Remove ignition coil bracket and set aside. Remove lower intake manifold bolts evenly. Remove lower intake manifold and gaskets.
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Saturday, December 6th, 2008 AT 10:00 PM

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