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Topic: Dextron II replacement

in Forum: C3 Driveline Components

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Dextron II replacement (1/2)
1/6/23 1:00pm

Kenny78

Gold Member
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Toms River, NJ - USA

Vette(s):
1978 Silver Anniversary Coupe Lt. Biege w/ Dark Brown Int. Happily owned since 1981.

Joined: 7/28/2004
Posts: 115

Hi all,

This may have been asked in the past but I can't seem to get the hang of searching for specific posts with the C3 search engine. 78 automatic trans calls for Dextron II. No longer available in local stores where I have looked. I'm sure I could get it online if necessary. What can be substituted for Dex II or is best to stick with Dex II ? The personnel there were not sure so I figured I'd better ask the people who know. Thanks for help with this, past and future questions I will have.

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Re: Dextron II replacement (2/2)
1/6/23 1:35pm

kstyer

Lifetime Member
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CUYAHOGA FALLS, OH - USA

Vette(s):
1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!

Joined: 12/2/2003
Posts: 6424

As with MOST fluids you can always upgrade to a newer type of fluid. Dextron 4 or 5 will be fine. NEVER go to an older rating. If it calls for 4 do not go back to 2. Brake fluid does not follow this rule.

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