Glad you got it all figured out!
Anyone reading this in future: most O'reilly would lend you a thread chaser kit for free.
Anyone reading this in future: most O'reilly would lend you a thread chaser kit for free.
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How's the helicoil repair holding up?
funny you should ask. Failed in February. lasted slightly less than four years and ~45,000 miles. Ultimately the tensioner didn't have full range of motion due to the helicoil, probably from user error aka me installing it. Eventually the belt got loose and rubbed until it jumped timing. replaced it with a timesert. wish i knew about the timesert the first time around! we will see how long it goes now. about ~320k on the clock now.How's the helicoil repair holding up?
Darn it! Reading yours helicoil failed at 45K, is concerning. Failure in a 4.7L VVti is engine killer. Anyone been successful, repairing in place with time sert or such?
I'm doing a T-belt R&R in a 4.7L VVti w/265K miles. Found last guy in cross threaded tensioner pulley bolt during install. It felt strangely tight coming out, I'd hope just thread sealer. NOPE!.
I'm leaning toward replacing the oil pump. But I really don't want the extra 20 hours labor.
But, I see 3 issues with helicoil or time-sert or any that need drilling & tapping.
1) I see hole passes through. Which drilling and tapping, risk aluminum shavings going into oil pan.
2) Not alot a lot of metal in capture nut casting, would remain for strength after drilled and tapped.
3) Drilling the bore square, is problematic.
Oil pump housing, I've on the shelf. The yellow circle is the capture nut w/ bolt Tensioner bolt in it from viewed from backside.
View attachment 3792282
funny you should ask. Failed in February. lasted slightly less than four years and ~45,000 miles. Ultimately the tensioner didn't have full range of motion due to the helicoil, probably from user error aka me installing it. Eventually the belt got loose and rubbed until it jumped timing. replaced it with a timesert. wish i knew about the timesert the first time around! we will see how long it goes now. about ~320k on the clock now.
This is timely as I had the threads came out of mine when removing the tensioner about an hour ago. Thanks for all the info, this is really helping with my panic.View attachment 3872783View attachment 3872782View attachment 3872781
A few extra pics of the thread sealer and the insert. And then pulley re-installed. Letting it all cure for 72 hrs before I introduce oil and heat to the threads.
One thing I've heard to help capture the chips from tapping is to pack the tap flutes with grease - you have to back out and clean the flutes more often, but shouldn't be an issue for job like this. The grease helps make sure the chips stay in the flutes.This is timely as I had the threads come out of mine when removing the tensioner about an hour ago. Thanks for all the info, this is really helping with my panic.
How much would you want for the kit? Happy to take it off your hands and put it to use.
What did you do to flush the swag out of the oil post install?
I actually sold it already to @cruiserbrett, but I only used one of the 5 inserts it came with. If he only uses one or two, maybe see if you can buy the kit from him. Keep passing it on haha.This is timely as I had the threads came out of mine when removing the tensioner about an hour ago. Thanks for all the info, this is really helping with my panic.
How much would you want for the kit? Happy to take it off your hands and put it to use.
What did you do to flush the swag out of the oil post install?
Awesome. Thanks for the additional info.I actually sold it already to @cruiserbrett, but I only used one of the 5 inserts it came with. If he only uses one or two, maybe see if you can buy the kit from him. Keep passing it on haha.
And yeah similar to the suggestion I just used tap oil on all the parts and cleaned often. Most of the bits fell to the outside anyways, I did vacuum around the hole at the end too, I wouldnt worry too much about a few tiny aluminum shavings personally.