Step 3: Preparing Fuel Sending Unit
B. Using a Sharpie, mark staggered holes starting 1” from the bottom of the basket. Avoid marking holes
where the factory return stacks and posts guides are located as well as where the draw tube assembly is
installed. Check to make sure you have proper clearance inside the basket when you mark drill points.
You may remove the draw tube only.
D. De-burr and clean holes as necessary.
C. When drilling through plastic use a gentle touch and let the tool do the work. Do not press hard! Drill
pilot holes with a 1/8” bit. Enlarge holes to 3/8” using a larger bit or high speed rotary grinder. Check
for shavings and clean up holes.
D1. Working with a dual basket fuel module you will need to guide the factory return through the inner
cup. Insert nipple into factory stack.
E. Remove the bottom of the fuel basket.
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