Oil dipstick tube replacement on my 351 - Ford Bronco Forum
 
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post #1 of 11 (permalink) Old 04-15-2019, 08:48 AM Thread Starter
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Oil dipstick tube replacement on my 351

Swapping out my headers over the weekend I realized on the driver's side that the oil dipstick tube had to come out before I could pull the header (thank you Ford engineers). Anyway, after a lot of persuasion and pulling I was finally able to get the dipstick tube out of the block..I'd forgotten that they were pressed in. The tube got a little bent while I was removing it..Was able to straighten the kink out but now I can can't get the tube back in.

The tube goes in about an inch and a half and then tops..almost like it's hung up on something..Pretty sure I'm going to need a new dispstick tube..any tips/tricks on how to install? google search didn't yield much and I combed through my old engine rebuild pics nothing there..

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post #2 of 11 (permalink) Old 04-15-2019, 11:10 AM
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Find a steel punch that closely fits the I.D. Of the tube. That can be used to remove or intall the tubes. Digging through several toolboxes may be necessary to get the right fit. Hope this helps.
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post #3 of 11 (permalink) Old 04-15-2019, 01:27 PM Thread Starter
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that might work if the tube was straight but this tube has a couple of bends in it..found a thread on a Ford truck forum where one guy cleaned out the hole with a brass wire brush, then used an adjustable wrench around the base with some taps from a hammer to seat it..another person suggested freezing the dip stick tube then heating the block up a little bit with a torch and then trying to put it in..

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post #4 of 11 (permalink) Old 04-15-2019, 02:24 PM
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One problem I had when I swapped engines was the dipstick hole was a little large and would not hold the dipstick. I ended up using some high heat silicone to keep it in place. 4 years now going on 5 with no issues.

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post #5 of 11 (permalink) Old 04-15-2019, 02:53 PM Thread Starter
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Originally Posted by jowens1126 View Post
One problem I had when I swapped engines was the dipstick hole was a little large and would not hold the dipstick. I ended up using some high heat silicone to keep it in place. 4 years now going on 5 with no issues.
If I recall correctly, the guy who dropped the engine in also did the dipstick tube..when I pulled it out yesterday I found a bunch of RTV around the opening, so that could very well be part of the problem..going to see if I can get that hole cleaned out and try putting my old one back in..

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post #6 of 11 (permalink) Old 04-17-2019, 11:05 AM
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I have cut the side out of an old deep-well twelve point socket before to use to drive in a tube that was bendy.

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post #7 of 11 (permalink) Old 04-17-2019, 04:28 PM
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I'm guessing the RTV is impeding your progress. On mine, it was a looser fit than I expected from what I had read. I'm surprised they didn't design in some sort of shroud to keep dirt from finding its way down there, with as little holds the tube in place.

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post #8 of 11 (permalink) Old Yesterday, 09:06 AM Thread Starter
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Quote:
Originally Posted by Wrencher61 View Post
I have cut the side out of an old deep-well twelve point socket before to use to drive in a tube that was bendy.
Was thinking along these same lines..wound up cutting the old dipstick tube in half, and opening it up a bit so it would fit over the outer diameter of the tube where that collar is..hopefully that will do the trick..

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I'm guessing the RTV is impeding your progress. On mine, it was a looser fit than I expected from what I had read. I'm surprised they didn't design in some sort of shroud to keep dirt from finding its way down there, with as little holds the tube in place.
I was able to run a wire brush in there and can't find any evidence of RTV, I guess there could be some residual in the hole.

would have been nice if it were a simple threaded fitting like the older style.

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post #9 of 11 (permalink) Old Yesterday, 10:23 AM
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I have 2 extra if needed. Beware of Lokar for stock mounting location

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post #10 of 11 (permalink) Old Yesterday, 10:41 AM Thread Starter
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I have 2 extra if needed. Beware of Lokar for stock mounting location

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you have 2 extra dipstick tubes? guess I should have asked before ordering from Bronco Graveyard..which lokar one are you talking about? That didn't come up in any of my searches.

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post #11 of 11 (permalink) Old Yesterday, 11:19 AM
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Quote:
Originally Posted by jermil01 View Post
Was thinking along these same lines..wound up cutting the old dipstick tube in half, and opening it up a bit so it would fit over the outer diameter of the tube where that collar is..hopefully that will do the trick..



I was able to run a wire brush in there and can't find any evidence of RTV, I guess there could be some residual in the hole.

would have been nice if it were a simple threaded fitting like the older style.
Product Cheapening Department to blame for that, probably saved a whopping twenty cents on that.

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