Weird shifting. Beginning of the end?
Winching
Joined: Jun 2015
Posts: 554
Likes: 94
From: Huntsville, AL
I would have to reset adaptive values (high idle) every-other month or so for the better part of two years until I installed a brand new alternator back in September.
Has a Jeep IACS. Installed, 2016-ish.
Has a Jeep IACS. Installed, 2016-ish.
Last edited by hrhoward; Jan 4, 2021 at 04:17 PM.
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Three Wheeling
Joined: Oct 2020
Posts: 56
Likes: 7
From: South Texas
Other than the cooling system working out a bubble I've put 200 trouble free miles on her in the last few days. No weird shifting, lovely idle characteristics, almost 15mpgs (!!!). Like anything with an engine and wheels it seems to benefit from being driven.
Tomorrow I'm going to pull the IAC and give it a clean, just because. I'll also double check the alternator output. The battery is brand new, and I'm not having any charging issue, but it never hurts to double check.
Thank you everyone!
Tomorrow I'm going to pull the IAC and give it a clean, just because. I'll also double check the alternator output. The battery is brand new, and I'm not having any charging issue, but it never hurts to double check.
Thank you everyone!
Winching
Joined: Jun 2015
Posts: 554
Likes: 94
From: Huntsville, AL
The old alternator didn't show any obvious signs of voltage/charging issues but there must of been something going on. When it went, it went.
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Three Wheeling
Joined: Oct 2020
Posts: 56
Likes: 7
From: South Texas
You probably know this truck.
It's on a 2" TF MD lift, 32x10.50 Patagonias, has TF relocation cones front and rear with their spring retainers, SS brake hoses, LED headlights
Maintenance so far:
180* thermostat, new upper and lower rad hoses, and overflow bottle
oil change with the big k&n filter
oil cooler hoses
Pads and rotors, swivel ball seals, axle seals, and wheel bearings in the front axle
manifold and y pipe gaskets
cat back exhaust
Trans flush, fluid, and filter
One of these days I'm gonna do the valve cover gaskets
It's on a 2" TF MD lift, 32x10.50 Patagonias, has TF relocation cones front and rear with their spring retainers, SS brake hoses, LED headlights
Maintenance so far:
180* thermostat, new upper and lower rad hoses, and overflow bottle
oil change with the big k&n filter
oil cooler hoses
Pads and rotors, swivel ball seals, axle seals, and wheel bearings in the front axle
manifold and y pipe gaskets
cat back exhaust
Trans flush, fluid, and filter
One of these days I'm gonna do the valve cover gaskets
Last edited by leecatd8209; Jan 5, 2021 at 06:39 PM.
Thread Starter
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Three Wheeling
Joined: Oct 2020
Posts: 56
Likes: 7
From: South Texas
Today I pulled the IAC and cleaned it, and smoke tested for vacuum leaks. No vacuum leaks were found, and the idle characteristics continue to act weird. It's either the IAC getting "lost" or the ECU "losing" the IAC.
I ordered the NAPA IAC, it'll be in tomorrow. We'll see what happens.
The transmission has been behaving well.
I ordered the NAPA IAC, it'll be in tomorrow. We'll see what happens.
The transmission has been behaving well.
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Three Wheeling
Joined: Oct 2020
Posts: 56
Likes: 7
From: South Texas
Yeah, I do it with the GEMS utility app and a bluetooth dongle like 6 times a day. Haha