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Ultrasport
Explorer
Jul 20, 2014

Caterpiller IAPV Disassembly and Cleaning UPDATE

This might belong in Tech but since most of these engines are in motorhomes, I posted it here. If the moderators feel it should be moved, feel free.... I have a Cat 3126B in my '98 Ultrasport. Re...
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Ultrasport's avatar
Ultrasport
Explorer
Jul 21, 2014
The valve is located on the rear of the HEUI pump which is mounted about mid height of the block, on the side opposite the intake/exhaust manifolds. The pump is toward the front of the engine which is toward the back of the coach in a pusher. It will have a connector with two wires connected to it.

Steve

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