GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

tranny issue, need some help.

Old Nov 24, 2013 | 08:58 PM
  #11  
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In the Arctic? Where about?

Now I need to find a reputable tranny shop, being new to the area and not knowing many people, this could be hard. Family is coming down Tuesday to, not a good time for this mess.

I'll ask around tomorrow to see if I can find any local reputable shops.

Thanks for the info Koots, I appreciate it.
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Old Nov 25, 2013 | 11:59 AM
  #12  
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In that case, get it scanned first for free at Autozone/Advanced, then go from there. if it does need servicing, I would then take it to a reputable transmission shop. Just call around and see if you can find one that seems knowledgeable enough about modern automatic transmissions.

It might not be the TC after all, as I get a vibration right now when my truck goes into lockup but that's because of a wobbly rear output bearing on my t-case that needs a rebuild soon. It will eventually destroy the rest of my drivetrain if left alone
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Old Nov 25, 2013 | 06:49 PM
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mine was doing the exact same thing before the TC gave up completely and let its guts go through the rest of the tranny. it would shutter until I let off the throttle or made it downshift. Hope you get it figured out quick
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Old Nov 26, 2013 | 04:50 PM
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Thanks Koots, I'll be heading over to AutoZone tomorrow late morning for them to scan it.

01,
Thanks man I appreciate it.
Hopefully I'll catch it before any damage is done.
I don't live too far from you, I'm over in Raleigh
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Old Dec 2, 2013 | 07:19 PM
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Made it to AutoZone.
I'm not sure if it needs a CEL for it to acknowledge an issue but, nothing came up.

Does anyone have an idea of what it costs a tranny shop to hook it up to the computer to diagnose what the problem could be?

Thanks
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Old Dec 2, 2013 | 08:45 PM
  #16  
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you need a real scanner hooked up. I run a trans shop and get these all the time. You could be looking at a developing misfire. The load when your truck goes into lockup will cause a light miss that will not show up as a code or during any other time. Any person who knows how to properly use a good scanner can check for a misfire over a converter shutter.

Converter shutter can happen, but its not nearly as common as the misfire.
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Old Dec 3, 2013 | 06:16 PM
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Now that you bring that up. When I am idling I get a small roughness in my idle.
I was thinking about a miss but didn't realize this could cause a problem at speeds.

Will a scanners pick up where the miss is coming from even though there is no code?
Thanks
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Old Dec 3, 2013 | 06:27 PM
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Originally Posted by 1969x11
Misfiring? Does it ever throw any codes?
Pull the plugs and give them a look see. You probably have a bad one.
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Old Dec 3, 2013 | 07:27 PM
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It doesn't or hasn't thrown any codes.

I'll have to pull them this weekend and check them out.
Thanks
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Old Dec 3, 2013 | 10:26 PM
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yes it has to miss a certain amount before a code will be set. Wires have been known to break down premature in 07 up trucks around here. most scanners have a misfire counter you can watch that shows each cylinder individually. On some i had to dig a little deeper to see it, but that usually will show all you need!
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