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Frontier Nissan Frontier/HB/Truck Discussion Forum

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  #1  
Old 04-30-2021, 04:07 PM
kwbudaman kwbudaman is offline
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Default VQ40DE manifold collector

Does anyone here know if the intake manifold collector on the VQ40de motor can be removed without draining the coolant?

Nissan Factory shop manual does not say if coolant runs through it, or if it seals off ports on/in the intake manifold.

Thank you,
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  #2  
Old 05-18-2021, 01:45 AM
smj999smj's Avatar
smj999smj smj999smj is offline
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The upper plenum can be removed without draining the coolant. Coolant runs through the throttle body, so you can remove the throttle body from the plenum, or, just disconnect the hoses to the throttle body and plug or pinch them off.
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Old 05-26-2021, 10:05 AM
kwbudaman kwbudaman is offline
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Thank you very much!

Also, I found out the intake manifold can also be removed without draining coolant.
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