What it covers
The section which contains the crankshaft, cam shaft, tappet guides, valve lifters, connecting rods, drive gears, etc. Does not include the push rods which are filed in the cylinder section in JASC code 8530 or rear case accessory drives. Typical parts are crankcase, crankshaft, cam ring, lifter, camshaft, cylinder stud, connecting rod, bolt, through bolt, cap, rod bolt, main bearing, rod bearing, etc.
Service difficulty reports · 2,213
Reports filed under 8520, newest first.
| 1995 | 128 |
|---|---|
| 1996 | 197 |
| 1997 | 174 |
| 1998 | 216 |
| 1999 | 130 |
| 2000 | 141 |
| 2001 | 141 |
| 2002 | 95 |
| 2003 | 116 |
| 2004 | 96 |
| 2005 | 105 |
| 2006 | 55 |
| 2007 | 54 |
| 2008 | 37 |
| 2009 | 64 |
| 2010 | 64 |
| 2011 | 56 |
| 2012 | 49 |
| 2013 | 38 |
| 2014 | 29 |
| 2015 | 45 |
| 2016 | 37 |
| 2017 | 25 |
| 2018 | 25 |
| 2019 | 24 |
| 2020 | 13 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 17 |
| 2025 | 9 |
| 2026 | 22 |
SDR 2026FA0000818Drive Gear · spalledFACE GEAR DAMAGED, ENGINE HAS EXHIBITED DAMAGE TO THE ALTERNATOR DRIVE FACE GEAR (P/N 657984), WHICH DRIVES THE NO. 1 ALTERNATOR. THE DAMAGE HAS INCLUDED VARYING DEGREES OF SPALLING, GALLING, AND CHIPPING OF THE GEAR TEETH.SDR 2026FA0000807Drive Gear · spalledFACE GEAR DAMAGED, ENGINE HAS EXHIBITED DAMAGE TO THE ALTERNATOR DRIVE FACE GEAR (P/N 657984), WHICH DRIVES THE NO. 1 ALTERNATOR. THE DAMAGE HAS INCLUDED VARYING DEGREES OF SPALLING, GALLING, AND CHIPPING OF THE GEAR TEETH.SDR 2026FA0000820Drive Gear · spalledFACE GEAR DAMAGED, ENGINE HAS EXHIBITED DAMAGE TO THE ALTERNATOR DRIVE FACE GEAR (P/N 657984), WHICH DRIVES THE NO. 1 ALTERNATOR. THE DAMAGE HAS INCLUDED VARYING DEGREES OF SPALLING, GALLING, AND CHIPPING OF THE GEAR TEETH.
See all 2,213 reports