Coolant drain from block

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Mar 14, 2002 | 05:33 PM

Fred91GTA

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Joined: Jul 2001

Posts: 234

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From: Brooklyn, NY, USA

Car: 1991 GTA

Engine: L98

Transmission: 700R4

Axle/Gears: 3.23

Coolant drain from block

Hi guys. I have to drain coolant from my engine block. I know there are two coolant drain plugs at the bottom of the engine. When I get them back on, do I need to use a thread sealer? If so, what type do I need? Thanks.

Mar 14, 2002 | 06:46 PM

five7kid

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Posts: 43,187

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From: Littleton, CO USA

Car: 82 Berlinetta/57 Bel Air

Engine: L92/LQ4 (both w/4" stroke)

Transmission: 4L80E/4L80E

Axle/Gears: 12B-3.73/9"-3.89

None needed. Teflon tape not a bad idea, though. Or, sensor-compatible silicone sealer.

Mar 14, 2002 | 06:47 PM

Vader

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Posts: 19,653

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For those plugs, standar old PTFE tape or joint compound will work fine - they're tapered pipe plugs. Of course you can use Loctite PST if you don't have the Teflonº tape or paste.