Detroit Diesel — Reverse-Flushing Radiator
Maintenance
From a Detroit Diesel operator's manual — check it applies to your exact model before use.
Before you start
- Too great pressure may rupture radiator tube.
Procedure
- Remove radiator inlet and outlet hoses; replace radiator cap.
- Attach hose at top of radiator to lead water away.
- Attach hose to bottom of radiator and insert flushing gun.
- Connect water hose to water outlet and air hose to compressed air outlet.
- Turn on water; when radiator full, turn on air in short blasts.
- Apply air gradually; do not exceed 20 psi (138 kPa).
- Continue flushing until only clean water is expelled.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Max air pressure 20 psi (138 kPa)
Source: Detroit Diesel operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.