Lingenfelter L710050607 Lingenfelter Suburban & Yukon XL Fuel Pump 2007 v1.1 - Manual (Page 6)

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18) Lightly lubricate the stock O-ring removed in step 6 and install it
onto the new fuel filter adapter fitting.
19) Install the new fuel pump assembly
into the module by feeding the hose
and wires up from the bottom through
the pump mount in the module.
20) Lightly lubricate the O-ring on the bottomn of the fuel pressure
regulator.
21) Clock the pump so that the sock can fold up inside the bucket.
22) Make sure the re-coil spring is positioned in the bucket.
23) Slide the bucket onto the bottom of the module, making sure the
regulator slides into the passage in the bucket. Make sure the bucket
is fully seated onto the module and the regulator is seated into the
bucket.