Filter
Top Products
435/485/535
5-3
Section 5 - Troubleshooting
Engine
Correction
Add correct grade and amount of oil.
Contact Buhler Versatile dealer.
See “Engine Overheats” (later in this
chart).
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Add oil as required.
Contact Buhler Versatile dealer.
Drain and refill with correct grade
and viscosity oil.
Contact Buhler Versatile dealer.
Reduce oil level.
Use correct viscosity.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Clean radiator, cooler and front grill.
Shift to a lower gear or reduce load.
Add oil as required.
Fill cooling system. Check for leaks.
Replace cap.
Check automatic tensioner. Replace
belt if worn.
Flush cooling system.
Contact Buhler Versatile dealer.
Tighten hose connection.
Contact Buhler Versatile dealer.
Clean or replace filter.
Contact Buhler Versatile dealer.
Possible Cause
Low oil level.
Low oil pressure.
Engine overheated.
Engine temperature gauge faulty.
Malfunctioning thermostat(s).
Tractor used on very light loads.
Low oil level.
Oil pressure gauge faulty.
Wrong grade or viscosity oil.
Engine component failure.
Engine oil level too high.
Incorrect viscosity oil.
External oil leaks.
Plugged breather tube vent filter.
Engine component failure.
Restricted cooling system fins.
Excessive engine load.
Low engine oil level.
Low coolant level.
Faulty radiator cap.
Loose or worn fan belt.
Cooling system plugged.
Malfunctioning thermostat(s).
Hose connection leaking.
Malfunctioning temperature gauge.
Clogged air filter.
Aspirator malfunction.
Problem
Engine knocks
Low engine operating
temperature
Low oil pressure
Excessive oil
consumption
Engine overheats
Air filter restricted
Engine