Engine - New Crankshaft Bearing Reduces Noise
83toyota3REFERENCE: ENGINE
NUMBER: 014
DATE: 10-14-83
MODEL: AL
TITLE
CRANKSHAFT BEARING IMPROVEMENT
To reduce engine noise, the oil groove in the lower crankshaft bearing (the bearing cap side) has been discontinued.
In addition, a new locating notch has been added to the engine block bearing caps to index with the new bearings.
To improve lubrication with the new bearings, additional oil holes have been drilled in the crankshaft journals.
PRODUCTION EFFECTIVE:
From Engine Number Production Date
3A-1602824 January 1983
From Frame Number Production Date
JT2AL3#**D0086833 January 1983
JT2AL3#**D3513857 January 1983
JT2AL3#**D0033586 January 1983
PART NUMBER INFORMATION:
Previous Part Number New Part Number Part Name
* 11701-15011-01 11701-15030-01 Bearing, crankshaft Mark 1
* 11701-15011-02 11701-15030-02 Bearing, crankshaft Mark 2
* 11701-15011-03 11701-15030-03 Bearing, crankshaft Mark 3
** 13411-15021 13411-15030 Crankshaft (for 3A-C)
*This part is not interchangeable with the previous part. **This part is interchangeable with the previous part.