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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
I'm preparing to do battle with my local Ford Service Manager tomorrow. We're taking our Explorer in for the dreaded "marble-like" sound. He said they NEED to do the 01M12 to properly diagnose the noise.
They will cover the 01M12, but I have a BAD feeling he's gonna try and stick it to us for the Primary Chain Tensioner (preliminarily diagnosed this week at this Service Dept.).
I'm try hard to find out if this Primary Chain Tensioner is covered under 01M01 Recall.
I'm sorta confused (after reading hours worths of threads) about how many Tensioners, Chains and "Cassettes" there are in this dang engine!!
Any guidance to help clarify this jumbo would be GREATLY APPRECIATED!
I know I had a chain tensioner replaced under warranty...but they never said anything about the 'recall' when I took it in...Hmm...that is a GOOD question. Please let us know your findings!!
I know I had a chain tensioner replaced under warranty...but they never said anything about the 'recall' when I took it in...Hmm...that is a GOOD question. Please let us know your findings!!
"WHICH" tensioner ?? There are actually a few different chain tensioners in the SOHC. This information isn't widely disseminated in the all the MANY postings I've read so far.
There is the CAM chain tensioner (that is covered under 00M12) and then there is the PRIMARY chain tensioner (#21 in the pic above). It is NOT covered by ANY recalls OR warranties (other than 3/36).
Below is another Exploded pic I've come across...... Maybe a Moderator will come along and "STICKY" these pics in the Useful Tech Threads or FAQs!!
The CAM chain tensioner is a "bolt-like" looking device that is located in the 12 O'clock position from part# 6.
It's covered on 01M01... but that campaign expires 7 years after the original warranty start date... so either you're over, or very close to being over...
There is a recall for the cassets and/or jack shaft on the 4.0L sohc engines. But it is also a milage/time limmited on too. It is $$$$$ if it is out of warentee.I had a customer refuse the work.
Now is this the noise at arround 2400-2600 rpm while driving?????? or just on startup after it sits????