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4JB1 Turbo charger vacuum line connections

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4JB1 Turbo charger vacuum line connections

Postby Samitha » Thu Aug 10, 2017 9:10 pm

I changed my Cab engine from 4JA1 to a 4JB1 Turbo engine. Can some one sketch for me how the vacuum lines are connected in the 4JB1 engine for the turbo charger to work properly.
Samitha
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Country: Sri Lanka
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Vehicle: ISUZU TFS double cab

Re: 4JB1 Turbo charger vacuum line connections

Postby Earwig » Fri Aug 11, 2017 6:34 pm

Manifold to boost compensator on fuel pump is about it if you have ac the idle up would need to be connected if you want that to work.
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