TH 400 vacuum connection location

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Jul 11, 2025 | 03:00 PM

BradsCat

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From: VA

TH 400 vacuum connection location

Can anyone tell me where the vacuum modulator hose connects to for vacuum from the engine? Not the port on the modulator of course. Thx

Jul 11, 2025 | 03:09 PM

AZDoug

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From: Central Arizona

there are 3-4 horizontal ports facing the firewall on the rear of the pass side intake manifold. it connects to one of those.

Doug

Jul 11, 2025 | 04:53 PM

BradsCat

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From: VA

Thx

Jul 12, 2025 | 04:46 AM

roman_mg

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From: Hodonin, Czech Republic

RH port.

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