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Jeep Wrangler TJ Bushing, Frame Hole & Bolt Diameter Sketch (.388/.390/.475")
Dimensioned whiteboard sketch of a bushing, bolt, and frame bore showing diameters of 0.390, 0.388, and 0.475 inches.
This is a photograph of a hand-drawn whiteboard sketch (not a formal blueprint) filed with a 2001 Jeep Wrangler gallery. It documents dimensional measurements for a bushing-to-frame-to-bolt fit-up, apparently to explain slop or to spec a repair sleeve. Three parts are sketched: a cylindrical BUSHING with an inner bore called out as Ø.390", a FRAME bracket cross-section with its bolt hole called out as Ø.475", and a BOLT whose threaded shank is called out as Ø.388". A fourth drawing at the bottom shows a face view of a sleeve/washer-like part with a.125" wall/flange dimension, an inner diameter of Ø.388" and an outer diameter of Ø.475", i.e., a sleeve sized to fill the gap between the.388" bolt and the.475" frame hole. Partial words are visible along the left edge of the whiteboard (ending in "SKT.", "KET", "ENCH"), likely a cut-off tool or parts list. No vehicle year, model, part numbers, or torque values appear in the image itself; a reader learns only the measured diameters and the implied need for a reducer sleeve or bushing between bolt and frame hole.
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Frequently asked questions
- What is the inner diameter of the bushing shown in this sketch?
- The bushing bore is called out as Ø.390 inches.
- What size is the hole in the frame according to this drawing?
- The frame hole is dimensioned at Ø.475 inches.
- What is the diameter of the bolt in the sketch?
- The bolt shank is labeled Ø.388 inches.
- What are the dimensions of the sleeve/washer part drawn at the bottom?
- It shows a.125" wall/flange dimension, an inner diameter of Ø.388", and an outer diameter of Ø.475".
- Why do the bolt and frame hole sizes matter here?
- The sketch shows a.388" bolt passing through a.475" frame hole, and a part with.388" ID and.475" OD: implying a sleeve is needed to take up the roughly.087" of clearance.
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