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I did mine at 5k due to towing and the manual says to switch to a synthetic gear oil if towing under severe conditions. Probably not needed unless you really work the truck.

Mine has a tear right where the boot folds up when the parking brake is engaged but I might’ve missed this during the delivery (and wasn’t noted on the PDI). Guess I may be out of luck as the truck was delivered that way…

My bad, didn’t realize there was a T harness available for the earlier trucks. My only experience has been using the factory speaker outputs and using a line level converter and/or processor to get your line level signals at the amp.

I would consider wiring directly to the speakers in the doors instead of using a T-tap as they may not last as well as a direct connection. Heat shrink and a strong physical connection has always worked better for me vs any T-taps or “quick connects” that only seem to go 5-6 years before they...

Out of curiosity I asked a good friend who’s a software engineer and long time drag racer/engine builder with knowledge of both the Ford and GM variants of the 10R80/10L80E. He said: The units, although developed in a joint venture between GM and Ford, have both hardware and software...

Thanks, and nice to hear from the Livernois folks. Will consider your tune once my warranty is up, although I would probably want a less aggressive tune for daily driving. Sid - I hope the new transmission works out great, that is a nice truck and here’s to 200k more miles out of your new...

Thank you! Now if only the Ford Performance tune and Ford PowertrainCARE extended warranty could be stacked, that would be great! To the OP - is the 3 year warranty on the replacement transmission only valid with the stock tire size? Inquiring minds would like to know…

I would think they are onto something, mine drones rather consistently but as mentioned before, thought this was the “engineered design” of the vehicle. If this thing gets so loud you cannot have a conversation with your passenger or kids in the back seat, and I mean 90+dB like something is...

Can someone in the know (perhaps P.A. Schicke) provide a guideline for best longevity? On some of the import forums (Nissan/Lexus) members are saying firm shifts are good and best for the transmission. That would mean for us Rangers, driving in Tow/Haul 100% of the time. Is this advisable...

Will the Livernois tune prevent the trans from self-destructing <150-175k if used in a variety of conditions (city, road trips, towing)? I too like the OP would like to get 200k out of mine or more. Guessing by the failures posted on other forums with vehicles using this 10R80 that’s a long...

I don’t think people are racking up the mileage like some of us do. My Ranger is a tow and fun vehicle and I’m on track to hit 60k well before the 3 year bumper to bumper ends…some of us that are doing 150-200k in 5-7 years may see failures earlier…doesn’t help if you commute to a neighboring...

And I’ve also been the unfortunate sucker to buy a vehicle that had head gasket sealer, a trans held together with stop slip, a bad hybrid battery, and Jerry rigged electrical systems which all decided to fail within a 6 month period. Tell that to the person who just rebuilt a traction battery...

Is there a recommended trailer brake controller from Ford that is engineered to work well with the rest of the vehicle? I have only towed trailers that do not require a brake controller so far and would like to get one so I could tow more. thanks!

The last transmission shop I dealt with hooked up a device to my vehicle that could tell that the line pressures were maxed out and internal clutches were worn. Even then, they said at 160k “something’s bound to be worn out” if it was mostly city driving. I told them to just replace it instead...

Thanks for the review. It has helped me make a decision towards 4DTech vs other options. Will be doing this as soon as my factory warranty runs out.

Sport winds out the engine too much IMO and seems too aggressive. My preference is Tow/Haul for tighter and firmer transmission shifting.

Will disabling the factory EQ using FORScan affect warranty? I, like the OP, just want to get some better clarity without distortion. My thought is it would be best to get line level signals to drive an amp that aren’t messed with by the factory processing. The factory system could benefit...

I believe the adaptive learning is to compensate for internal wear, not just driving habits. If I pull the battery on most modern automatics the only thing I notice different is the shift points change. But as far as apply and release speed and shift firmness, that definitely seems to change...

Nail, hit head. This drives so different than the Nissan 7 speed, Chevy 6 speed, and other light truck transmissions that makes me wonder if the operation is normal. I’m told that it is, but I can get slip going 10-15mph pulling onto a 35mph road while accelerating which feels like the truck...

I was told by a transmission shop that when the hard shifts start happening all the time the internal clutch plates are at maximum tolerable wear and the unit is shifting hard to get you to a safe place to pull over. My experience with the last generation is 160k is all you’ll get if you do a...