Oil drain plug
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Mountain Pass
Joined: Apr 2023
Posts: 141
Likes: 16
Oil drain plug
Now since I have a few dealer oil changes left- I have not looked down there BUT my chuckwagon neighbor came over to throw it in my face that my 2023 STX 4x4 has a plastic oil drain plug- now rather than have him see me crawl my old duff under my truck I thought I would ask the experts- OBTW yeah I have that kinda neighbor.
Fleet Owner
Joined: Mar 2012
Posts: 26,188
Likes: 4,151
From: Near Cal. Avenue
It is a well-designed tool with an Oring to seal the Oil draining the pan. If you want, just order a new one in case you see a spot on your drive, you check it may leak.
I have the original approaching 145, 000 miles and dry drain plug area. It's not all that hot which may harden & o ring in some applications, say hard usage hydraulic.
I would worry more about a vandal messing with it.
I have the original approaching 145, 000 miles and dry drain plug area. It's not all that hot which may harden & o ring in some applications, say hard usage hydraulic.
I would worry more about a vandal messing with it.
Fleet Owner
Joined: Mar 2012
Posts: 26,188
Likes: 4,151
From: Near Cal. Avenue
Now since I have a few dealer oil changes left- I have not looked down there BUT my chuckwagon neighbor came over to throw it in my face that my 2023 STX 4x4 has a plastic oil drain plug- now rather than have him see me crawl my old duff under my truck I thought I would ask the experts- OBTW yeah I have that kinda neighbor.
Tuned
Joined: Apr 2015
Posts: 282
Likes: 68
From: N.E.Indiana
It seems to be dependent on engine, the 20 Mustang with 5.0 has the plastic pan and yellow plastic drain plug. The 23 F150 3.5eco has cast aluminum pan and screw in steel drain plug. I bought a UPR billet plug for the 5.0 and it has dual o-rings and magnet for whatever that's worth. If you haven't noticed the pans on the 10 speed auto are also plastic, at least the 2 I own are. Jim
Lead Driver
Joined: Sep 2006
Posts: 7,907
Likes: 143
It is common to call the Pans Plastic, but in reality, they are classed as a Composite with much higher temps limits and added material in the mix for strength..
Valve covers and Intake Manifolds are of the same material. If one were broken apart, fiber material should be seen in the break.
All have a much higher temperature ability.
Unless a metal sleeve is molded into the Pans at time of mfger, threaded plugs can't be used for long term reliability in composite material for repeated access.
Hence the design of the spiral Plastic type plug used for with Ring seals for compatibility over a long time interval and repeated use without causing a crack to develop since there is no expansion pressure from that design..
The Composite material has somewhat a disadvantage of possible cracking from over tightened bolts and temp extremes adding to a leak issue.
It appears some of the v6 engines suffer from repeated leak conditions that really show up under Turbo Boost pressures generated in the Crank case from less than good Ring seal during Boost conditions.
The stock oil plugs/design for 5L is now in most vendor stocks, now days. Same color same design.
Good luck.
Valve covers and Intake Manifolds are of the same material. If one were broken apart, fiber material should be seen in the break.
All have a much higher temperature ability.
Unless a metal sleeve is molded into the Pans at time of mfger, threaded plugs can't be used for long term reliability in composite material for repeated access.
Hence the design of the spiral Plastic type plug used for with Ring seals for compatibility over a long time interval and repeated use without causing a crack to develop since there is no expansion pressure from that design..
The Composite material has somewhat a disadvantage of possible cracking from over tightened bolts and temp extremes adding to a leak issue.
It appears some of the v6 engines suffer from repeated leak conditions that really show up under Turbo Boost pressures generated in the Crank case from less than good Ring seal during Boost conditions.
The stock oil plugs/design for 5L is now in most vendor stocks, now days. Same color same design.
Good luck.
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Mountain Pass
Joined: Apr 2023
Posts: 141
Likes: 16
Well I'm learning a ton of new stuff- like the filter on my engine is ON TOP of the engine? had I not seen the video I would have had to look it up in my manual inside my truck- And there's a diaper on this thing? sheeeesh man when did all this happen lol.
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Mountain Pass
Joined: Apr 2023
Posts: 141
Likes: 16
Jim this has been an eye opener- plastic (composite or whatever) oil pans and plastic plugs- this is gonna take some time to digest- LOL.
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