Drivetrain (Excluding Engine) Transmission, axles, clutches or other drive-line related discussion.

Transmission slips only when cold

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Old 09-10-2018 | 02:31 AM
  #21  
finnhhr's Avatar
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Joined: 01-11-2012
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From: finland, europe
sorry to steal a thread,
i have similar problem, does not shift to 2nd. just noticed it and back it up to garage, so no codes yet.
We have been baby servicing since this is wife's HHR. So tranny oils have been changed every 40k miles.now odo reading is almost 90k miles

What solenoids there is recommended to buy? I guess the part I need are these:
https://www.rockauto.com/en/catalog/...+solenoid,8476

Is it best option to go with original- or is it just gonna last as "short" as original did?
ACDELCO 24207236 GM Original Equipment Info

Thank You Sirs very much!
1-2, 2-3; 4 speed
Old 09-10-2018 | 08:50 AM
  #22  
finnhhr's Avatar
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From: finland, europe
...and is it easy to change this solenoid oneself, has anyone done it ?
Old 09-10-2018 | 02:34 PM
  #23  
Cat Man HHR's Avatar
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Joined: 08-03-2010
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From: Lake Ronkonkoma, N.Y.
I found a video. This is in a Pontiac G6. Looks like you have to pull the trans out. Never have done this myself.
Go to 5:19 of this video

Old 09-10-2018 | 03:20 PM
  #24  
finnhhr's Avatar
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Joined: 01-11-2012
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hope not

gee-whizzz i really hope those solenoids swap easier than removing the whole tranny!
i now tested car agaun after work, and it feels it does not want to move forward, like the handbrake would ve on (but it isnt!)
it moves normally in backwards on reverse.

i tested with my generic bluetooth gismo obdplus reader, but no fault codes. i started wondering if it is just tranny oil too low? but i havent noticed any leak of tranny oil.

anybody have a easy way to measure the correct amount of tranny oil? i quess i have to creep under the car and screw that plug out, which definately needs some kind of special tool or gimmick?
Old 09-10-2018 | 03:34 PM
  #25  
donbrew's Avatar
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You should be able to get the end cover off after you get the driver side axle out.

Just need the right size wrench to pull the plug. 10mm, IIRC. Check it level, warm, engine running in neutral/park.
Old 09-10-2018 | 06:59 PM
  #26  
Oldblue's Avatar
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From: Welland,Ont Canada
That plug is 11 mm.
Old 09-10-2018 | 07:46 PM
  #27  
firemangeorge's Avatar
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Joined: 12-06-2009
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From: Alabama
And if you don't have an 11 mm, a 7/16 in. wrench should do. You know us Americans. We can't grasp that whole metric thing.
Old 09-10-2018 | 10:11 PM
  #28  
Oldblue's Avatar
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After 41 years with it , neither can I , it’s goofy!
Old 09-11-2018 | 01:41 AM
  #29  
finnhhr's Avatar
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Joined: 01-11-2012
Posts: 96
From: finland, europe
I know what ya guys mean. I just have acquired perfect set and all tools for my old US cars, and then I have realized that my brit bike needs its OWN british inches tools!
millimeter tools are no problem over here. those are easy to get.
Old 09-11-2018 | 11:01 AM
  #30  
donbrew's Avatar
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My memory was almost right.
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