Engine and transmission mounts
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5. Continue raising engine to a suitable working and mount removal height. Remove thru-bolts from both mounts. Make engine stable using jack stands, wood blocking and planks. Wiggle engine around to simulate working on it. REMEMBER: YOUR FINGERS WILL BE IN CLOSE PROXIMITY TO THE FRAME AND OTHER APPARATUS. | 5. Continue raising engine to a suitable working and mount removal height. Remove thru-bolts from both mounts. Make engine stable using jack stands, wood blocking and planks. Wiggle engine around to simulate working on it. REMEMBER: YOUR FINGERS WILL BE IN CLOSE PROXIMITY TO THE FRAME AND OTHER APPARATUS. | ||
| − | 6. Remove mounts from engine and frame. Compare old parts to new replacements. Inspect for any damage to engine and frame. Install new mounts. Apply lubrication to all bolt threads and tighten to specifications. Lower engine and align lower mounts, insert thru-bolts and tighten up hardware. | + | 6. Remove mounts from engine and frame. Compare old parts to new replacements. Inspect for any damage to engine and frame. Chase out the threads in the block with a bottoming tap and use new grade 8 bolts and washers of the appropriate size. Install new mounts. Apply lubrication to all bolt threads and tighten to specifications. Lower engine and align lower mounts, insert thru-bolts and tighten up hardware. Thru-bolts are usually a knurled grade 8 type for maximum shear resistance. |
7. Continue lowering engine and reassemble parts and equipment as required. Lower vehicle to ground after final inspection. | 7. Continue lowering engine and reassemble parts and equipment as required. Lower vehicle to ground after final inspection. | ||
| − | Note: If replacing transmission mounts, raise transmission after loosening bolts and slide in new mounts, before lowering vehicle. | + | Note: If replacing transmission mounts, raise transmission after loosening bolts and slide in new mounts,finger tighten bolts before lowering vehicle. Tighten and torque down bolts. Use a nut tab bolt or a force bolt to ensure that these bolts don't back out. |
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