F 350 4WD Pickup V8-6.9L DSL (1983)
Pre-combustion Chamber: Technical Service Bulletins
Cylinder Head Precombustion Chamber - Insert Cracking
Article No. 84-8-23
CYLINDER HEAD PRE-COMBUSTION CHAMBER INSERT (6.9L DIESEL) - CRACKING
LIGHT TRUCKS 1983-84 F & E-SERIES
FIGURE 19
Some pre-combustion chamber (pre-cup) inserts are being replaced because of the appearance of cracks. Cracks radiating from the insert throat that do
not reach the fire ring mark are acceptable (Figure 19). Cracking becomes unacceptable when the cracks extend beyond the fire ring mark.
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: "INFORMATION ONLY"
