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Author Topic: TH-350 vs. TH-350C filters:  (Read 3101 times)

Offline Stewart G Griffin

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TH-350 vs. TH-350C filters:
« on: October 27, 2017, 02:11:40 pm »
Is the trans filter for a TH-350C different from a regular TH-350?

i thought the 350C has a notch cut out of it vs. a regular 350 which is square.

However, the AC Delco site lists the same filter as compatible with both transmissionses.

i don't want to drop the pan unless i'm sure i have the right filter.  i have a 350C
« Last Edit: October 27, 2017, 02:28:42 pm by Stewart G Griffin »
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Offline VileZambonie

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Re: TH-350 vs. TH-350C filters:
« Reply #1 on: October 27, 2017, 03:21:44 pm »
250-350/c's are all the same. You're good
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Offline Stewart G Griffin

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Re: TH-350 vs. TH-350C filters:
« Reply #2 on: November 11, 2017, 10:32:15 pm »
Yes, it turned out that the TH-350 and TH-350C use the exact same filter.

BTW on these trucks with TH-350's, the back two pan bolts are blocked by the trans crossmember, BUT you can get to them with a 1/4" drive socket----and some patience.
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Offline VileZambonie

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Re: TH-350 vs. TH-350C filters:
« Reply #3 on: November 12, 2017, 07:07:30 am »
Check to see if your transmission mount is good and not sagging
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              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Stewart G Griffin

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Re: TH-350 vs. TH-350C filters:
« Reply #4 on: November 12, 2017, 11:35:38 am »
trans mount is new and fine----an energy suspension mount.
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