Block to cylinder head dowel pins; how many? - Focus Fanatics
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Old 05-07-2013, 06:11 PM   #1
Shocker_123
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Block to cylinder head dowel pins; how many?

I have the head off of a 2003 2.0L SOHC and was just about to start reassembling when I realized I only had one dowel pin. Now dowel "pin' doesn't seem to be the right word to me but I am sure you all know what I mean.

If more than one is required do I have to contact Ford/a dealership directly?

Thank you all in advance!


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Old 05-07-2013, 06:23 PM   #2
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Is there another hole that isn't threaded that looks dowel pin size?
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Old 05-07-2013, 06:41 PM   #3
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Is there another hole that isn't threaded that looks dowel pin size?
Yes and no; no as in the "pins" I am speaking of aren't exactly pins. They're hollow dowels with a slit in them. They go into the block where the head stud or head bolts rather thread in. They serve the purpose of keeping each component aligned with each other.

Yes as I am assuming there has to be more than one of them.

Edit: They resemble something like this.
http://www.streettunedmotorsports.co..._dowel_pin.htm

I know Mitsubishi uses two in 4g63s and such. This is where my reasoning comes from.
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Old 05-07-2013, 07:01 PM   #4
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I have no experience with the engine. I'd look at pieces to see if there is a spot for a second pin
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Old 05-07-2013, 07:22 PM   #5
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Is anyone else well versed in this area?
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Old 05-07-2013, 08:29 PM   #6
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Every engine I have experience with uses two dowel pins per head.
The service manual makes it appear there are two locating dowels, but the drawing sucks.
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Old 05-07-2013, 08:50 PM   #7
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Every engine I have experience with uses two dowel pins per head.
The service manual makes it appear there are two locating dowels, but the drawing sucks.
They both locate at/to the back side of the head, oddly enough. Thank you! This is what I wanted to hear. Does the service manual by chance mention any part numbers?!?!

For everyone else:

Here is a picture of the "pin".



These are the locations where the pins locate; remember I have the head upside down.



I know these are the only places that can accept these because they are the only two with groves cut in the head to stop them. The same goes with the block.

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Old 05-07-2013, 08:59 PM   #8
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I didn't see any part numbers, sorry.
I am about 99.9% sure those are the two locations.
Might have to measure those and look them up in the pioneer catalog that way, or buy Ford brand.
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Old 05-08-2013, 05:58 AM   #9
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Thanks.
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