intake manifold leak

  1. ExpoLady

    Removing ac/coolant flow line under intake?

    How do you get the aluminum tube line off at the back? Is it welded on? It is against a metal piece that is bolted on to body of engine.03 Expedition 5.4l. See attachment.
  2. csanch40

    Intake Manifold -5.4L 2v

    Well.... I am finally getting my intake manifold replaced. I bought my 04 last April with 150k and it had a small coolant leak from the crossover on the manifold. The leak has been mitigated by using some coolant tabs. However, I am getting lean codes. The first time I got the codes, I replaced...
  3. csanch40

    P1071 and P1074 with rough Idle and stall

    Good morning, I have an '04 XLT with the 5.4 2v. I recently got the P1071 and P1074 lean codes and a few days ago noticed a rough idle and eventual stall if left at idle. About 6 months ago, I had a diagnosed coolant leak from the intake manifold. I ran some stop leak and that took care of...
  4. Shaun M Johnson

    Coolant Outlet Tube

    1997 Ford Expedition XLT SOHC VIN L 5.4L v8 Modular 330 Windsor 4WD I have the aluminum intake manifold with the coolant outlet tube located in the rear right (passenger side) underneath the engine firewall. The tube connects to the heater core. The engine was just rebuilt. The tube leaks at...

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