Upper Intake Manifold: Anyone done a writeup on SOHC? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-06-2015
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Upper Intake Manifold: Anyone done a writeup on SOHC?

In replacing my thermostat housing, a bolt broke in the lower thermostat housing. I've got the housing out, but still need to remove the broken bolt (remains sticking up about 3/8). I'm not sure if I need to remove the upper intake manifold or not to remove it, but if I do, I'm not going to consider it end of world bad as I see how many people suffer leaks (although it seems that those that do have the older two piece, but maybe that's my perception).

In searching on the removal, I can't find anyone that has done a write-up removing my version (first pic below). It's always this tube based thing (second pic). Does anyone know of a video and/or write-up on removing my version?

Thanks in advance!



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Old 11-07-2015
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There is a write up at autozone: | Repair Guides | Engine Mechanical Components | Intake Manifold | AutoZone.com

The 4.0l SOHC has 9.7:1 compression ratio so needs a knock sensor to run on regular(87 octane) gas, it is in the valley under the intake and should be changed if possible when you go that deep into the engine
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Old 11-09-2015
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Thanks Ron, I'd actually looked at that but was looking for one of these detailed writeups/videos that are out there. Sort of surprised I couldn't find one, figured at least someone would have done one by now. Maybe I'm/we're lucky and my style doesn't have the leak problems the others had? One can only hope...
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