Checking Eccentric Shaft Endplay

Fig. 42 Installing Distributor Drive Gear:

Fig. 43 Checking Eccentric Shaft Endplay:

Fig. 44 Eccentric Shaft Endplay:

1. Install spacer, thrust needle bearing, thrust washer, balance weight, oil pump drive sprocket and distributor drive gear on eccentric shaft, Fig. 42. When installing needle bearing, ensure it is not wedged by spacer.
2. Install eccentric shaft pulley boss and torque pulley lock bolt to specification.
3. Remove ring gear stopper or counter weight stopper.
4. Measure endplay of eccentric shaft, Figs. 43 and 44.
5. Attach ring gear brake 49F011101 or equivalent to flywheel, or counter weight stopper 491881055 or equivalent to counter weight.
6. Remove eccentric shaft lock bolt, distributor drive gear and oil pump sprocket.
7. If endplay is less than .0016 inch (.04mm), replace spacer with thicker one. If endplay is greater than .0035 inch (.09mm), replace spacer with thinner one. Apply engine oil to oil pump shaft, then install oil pump in front housing, torquing attaching bolts to specification.
8. Install key to oil pump shaft, then install oil pump drive gear, driven gear and chain as an assembly.
9. Install key to eccentric shaft, then install new washer and oil pump nut, torquing nut to specification. Bend washer to locknut.
10. Install distributor drive gear so that chamfer surface faces housing.