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My lawnmower has a belt driven overhead camshaft running in engine oil - bought 11 years ago and still going strong - makes me think belts in oil isn't a real issue.

That's all looking good - battery isn't new, but not near replacement time. The settling voltage of 12.23V is possibly an indication of a parasitic draw - I'd do a test for that - many YT vids on that. Doesn't explain the intermittent operational issues - that may need expert diagnostics and probably need to to misbehave at the time.

I'm guessing that tester has the same capabilities as mine, which is the CCA, Cranking Amps, and Charging System - if so the best to perform all those tests. Odd that the CCA will drop that much from Aug to Sept ?? The settling voltage is lower than it should be - good reason to use the tester for charging rate. 12.23V is about 65% charged.

Try this post:

All that's needed is an O-ring - the size number is found in the thread linked above. No way that the bolts are "one time use".

Would it only be a gasket that's needed to pull and re-install the dummy cooler plug?

Welcome. As a starting point its best to scan it for codes. Was any diagnostics done that led to all the parts replacement?

Doesn't the 2023 ST have a cooler that you pull to drain the PTU?

The malfunction seems to be more infrequent, but good that I haven't bought a replacement camera yet because a second recall notice just showed up on my CarFax. Got two recalls now, the rear brake hoses and the backup camera.

I've got 4 new seals in their original packaging and a good used plug from my wife's Mustang which we no longer have - free to a good home if you pay the USPS. Also a good deal on Amazon: https://www.amazon.com/dp/B000CGMPX2?creative=9325&camp=1789&linkCode=ur2&ie=UTF8&tag=slickdeals09-20&ascsubtag=f7a9e07c910011f08c5a9683d2ab67590INT&m=ATVPDKIKX0DER&psc=1#averageCustomerReviewsAnchor

krawl209@gmail.com Account was hacked and banned. Austrian VPN 194.35.121.118

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I would go with the H6 AGM Everstart Platinum from Walmart. Be sure to reset your battery monitoring and select a new battery code if you change size and type.

What's behind your thoughts of changing the timing chain around 100K? I've got 117,000 miles on my 2016 2.7L and don't have plans to change the timing chain, but might reconsider that depending on what I hear back from you.

A little research confirms that the 2019 ST and onwards use the belt driven oil pump. https://ford.oempartsonline.com/oem-parts/ford-engine-timing-belt-jt4z6b651a?c=Zz1lbmdpbmUmcz1vaWwtcHVtcCZsPTgzJm49QXNzZW1ibGllcyBQYWdlJmE9Zm9yZCZvPWVkZ2UmeT0yMDE5JnQ9c3QmZT0yLTdsLXY2LWdhcw%3D%3D Do we have any idea on how these are holding up? - haven't heard of any reports on this forum, but that could be that there would be very few at 100K miles or more.

What Model/Year do you have? - Please add that to your profile signature - https://www.fordedgeforum.com/settings/signature/ Can you confirm that the 2.7L V6 in the Ford Edge has a belt driven oil pump.

@GoshenTop as can be seen, it's valuable to have your Model/Year in your profile signature - Settings - Ford Edge Forum @Cerberus no need to beat yourself up over this - I only learnt about this AWD setup on the later models just the other day. MACT's videos are actually quite good, just need to fast forward past the intro which can be a little drawn-out on some of his videos.

Welcome. That would depend on your Model/Year. Please add your Model/Year to your profile signature - Settings - Ford Edge Forum

This recall is now showing on my CarFax.

Yes, it should contain fluid.

I replaced my front ones under recall, now need to keep a look out for the notice on the rears.

Thanks for that confirmation. What did the cost? Is it good quality with hyperlinks and word search etc.?

Give your owner's manual a browse - I find the downloaded PDF to be most useful because it has the word search feature - search for "Scheduled Maintenance".