REMOVAL & INSTALLATION
4-134 and 6-225 Engines
See Figures 1, 2, 3, 4, 5 and 6
To remove the oil pan on these engines, remove the oil pan attaching bolts and remove the oil pan. Clean all of the attaching surfaces and install new gaskets.6-226 Engine
- Remove the engine from the truck.
- Place the engine on a work stand and turn it upside down.
- Remove the oil pan attaching bolts and remove the oil pan.
- Clean all the mating surfaces and install a new gasket coated with sealer on the pan.
- Position the oil pan, install the bolts and tighten them to 109 inch lbs. (12 Nm).
- Install the engine.
See Figure 7
- Unbolt and remove the pan.
- Pull the ends of the pan gasket from the front and rear filler blocks.
- Insert gasket aligning dowels in the holes on each side of the block at the front.
- Place the new gasket on top of the old gasket. With the gaskets held in place by the dowels, make a cut through both gaskets, 3 / 32 in. (2.38mm) from the front filler block, or 5 / 16 in. (8mm) from the edge of the nearest hole. The cut must be so that the triangular end of the oil pan seal will cover the splice.
- Remove both gaskets and discard the old one.
- Clean the gasket mating surfaces thoroughly.
- Coat both sides of the new gaskets with sealer, and the splice near the front filler block. With the dowels in the holes, position the gaskets on the block. Replace the ends of the oil pan seal at both filler blocks.
- Coat the filler block seals with clean engine oil.
- Install the pan and hand-tighten the bolts.
- Working from the center bolts toward the ends, and alternating from side to side, tighten the bolts to 146-182 inch lbs. (16-20 Nm).