Generac 2.4 L / 60kW 1.5L — Drain / Flush Coolant System
Maintenance · Cooling System
For the Generac 2.4 L / 60kW 1.5L, from the Generac owner's manual.
Applies to: Generac 2.4 L, Generac 2.4L engine, Generac 1.5L engine
Before you start
- Allow engine to cool before draining coolant
Procedure
- Disconnect and empty coolant overflow reservoir, then reinstall.
- Rotate and remove plastic cover at top of enclosure.
- Slowly unscrew radiator cap.
- Locate drain cock at bottom left side of radiator.
- Rotate hex fitting to open drain cock.
- Drain coolant into a suitable container.
- Rotate hex fitting to close radiator drain cock.
- Fill radiator with recommended coolant until full.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 22/27 kW, 32/38 kW, 36/45 kW, 60 kW: 2.5 gallons (9.5 liters)
- 25/30 kW: 2.0 gallons (7.6 liters)
Full service-parts list: Generac 2.4 L →
Source: Generac owner'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.