Lower Oil Pan - RTV or Gasket - Ford Powerstroke Diesel Forum
6.7 Motor Problems (2011-2016) 6.7 Motor Problems

 
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post #1 of 6 Old 11-15-2019, 10:42 AM Thread Starter
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Lower Oil Pan - RTV or Gasket

I have a '13 (metal pan) with a slight oil leak in the corner of my lower oil pan.

I am going to go ahead and replace the pan while I am in there since they are cheap but was wondering if there are any benefits to using a gasket rather than the grey RTV.

I see Mahle sells one that has a silicone bead - any experiences good or bad with that option?

Thanks.
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post #2 of 6 Old 11-15-2019, 11:19 AM
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It is RTV on the steel pans and new gasket on the composite pans.
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post #3 of 6 Old 11-15-2019, 02:55 PM
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Originally Posted by Larry1013 View Post
It is RTV on the steel pans and new gasket on the composite pans.
This is correct.

However, RTV has to be done right, and you should let the oil drip off the motor for a few hours before you go at it. Any oil in your RTV can cause a leak. And its very difficult to stop the oil from dripping down the block unless you just wait it out.

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post #4 of 6 Old 12-02-2019, 08:24 AM Thread Starter
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Originally Posted by 7.3lf550 View Post
This is correct.

However, RTV has to be done right, and you should let the oil drip off the motor for a few hours before you go at it. Any oil in your RTV can cause a leak. And its very difficult to stop the oil from dripping down the block unless you just wait it out.
Should have waited a little longer for ALL the oil to drain out - still have a slow drip in the same corner.

One other thing I noticed when installing the new pan was that the bolt on the leaky corner was very tight going in (all the way up, not just when seated). I will try again in a few weeks once I have a few days, hopefully just some built-up RTV in the threads and not a cross-thread
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post #5 of 6 Old 12-03-2019, 04:17 AM
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Quote:
Originally Posted by cmunsell View Post
Should have waited a little longer for ALL the oil to drain out - still have a slow drip in the same corner.

One other thing I noticed when installing the new pan was that the bolt on the leaky corner was very tight going in (all the way up, not just when seated). I will try again in a few weeks once I have a few days, hopefully just some built-up RTV in the threads and not a cross-thread
If it was that tight going in, it is possible you do not have it tighten down enough on the pan. I would pull that bolt, clean the bolt and the hole, and see if you can get it in and get it torqued down. I would do that before pulling the pan.

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post #6 of 6 Old 12-03-2019, 07:33 PM
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^^agree! Chase the hole with a tap and the bolt with a die. Brake clean all the boogers out and retorque it. Might get lucky.


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