Yuchai YC135 - User Manual

Questions and Answers

C
Christina SwansonAug 19, 2025
What to do if my Yuchai YC135 engine won’t start or starts with difficulty?
- C
  Chelsea JimenezAug 20, 2025
  If your Yuchai Excavators engine is having trouble starting, several factors could be at play. It could be a starter issue, in which case you should replace or repair the starter. Alternatively, the battery might not be sufficiently charged, requiring a charge or replacement. Inspect the warm-up circuit or plug for incorrect usage, and repair or replace the warm-up plug if necessary. Also, check the fuel system for water, dust, or air, and clean or replace the fuel filter.
J
Jason ScottAug 21, 2025
Why is my Yuchai YC135 Excavators engine overheating?
- J
  James CooperAug 21, 2025
  If your Yuchai Excavators engine is overheating, it could be due to several reasons. The coolant level might be too low, so refill it. The temperature sensor could be faulty, requiring a replacement. A plugged air filter can also cause overheating, so clean the core filter. Check if the fan belt is loose or damaged; tighten or replace it as needed. The cooling system might be dirty, so clean it thoroughly. Also, inspect the radiator fins for blockage or damage, and clean or repair them. Lastly, the engine oil could be of bad quality or overfilled; replace it with better quality oil and ensure the correct level.
C
Carl ChenAug 25, 2025
What should I do if my Yuchai Excavators engine is shocking, running irregularly, or stopping?
- S
  Sue GarciaAug 25, 2025
  If your Yuchai Excavators engine is shocking, running irregularly, or stopping, start by checking the fuel filter for any blockages and clean it if necessary. Also, check for waste or air in the fuel system; if present, exhaust and clean the fuel circuit.
J
Jamie LopezAug 26, 2025
Why is black smoke coming out of the exhaust tube of my Yuchai Excavators?
- O
  ojoyceAug 26, 2025
  If black smoke is coming out of the exhaust tube of your Yuchai Excavators, it could be due to bad fuel quality, so use the suitable fuel. Another possible cause is a blocked air filter, so replace the core filter.
S
Stephen SmithAug 28, 2025
What to do if the hydraulic oil temperature is too high in Yuchai Excavators?
- C
  Clifford PalmerAug 28, 2025
  If the hydraulic oil temperature is too high in your Yuchai Excavators, start by checking the hydraulic oil filter for any blockages and clean or replace it. Additionally, inspect the oil radiator for blockages and clean it. Also, if the oil is too dirty, drain the old oil and refill with new oil.
L
Lauren TaylorAug 30, 2025
What to do if my Yuchai Excavators lamps are dark when the engine is running?
- T
  Teresa HallAug 30, 2025
  If the lamps are dark when the engine is running on your Yuchai Excavators, check the electric loop for any issues, connect, and repair as necessary.
T
Tina ChavezSep 1, 2025
Why is the engine oil pressure too low in my Yuchai YC135?
- S
  Scott NelsonSep 1, 2025
  If the engine oil pressure is too low in your Yuchai Excavators, first check if the oil level is too low and refill if necessary. Also, inspect the oil filter for any blockages and clean the core filter. Finally, check for oil circuit leakage and tighten all bolts and replace gaskets as needed.
M
michaelskinnerSep 3, 2025
What to do if the power of the Yuchai YC135 Excavators engine lowered?
- N
  Natalie ThomasSep 3, 2025
  If the engine power of your Yuchai Excavators has decreased, it could be due to several reasons. If there is some gets mix in the fuel, empty the fuel tank and clean filters. If the fuel circuit supply is blocked, check and clean filters and pipes. If the air filter is plugged, clean filter core.
Z
Zachary BurchSep 6, 2025
What to do if the key is in the starting position, but the starter does not work on my Yuchai YC135 Excavators?
- J
  Jorge GuzmanSep 6, 2025
  If the key is in the starting position but the starter isn't working on your Yuchai Excavators, check the circuit for any breaks and repair it. Also, if the battery is not charged enough, charge or replace the battery.
L
Laura GonzalezSep 8, 2025
What causes white smoke to come out from the exhaust tube of Yuchai YC135 Excavators?
- V
  Victor WarnerSep 8, 2025
  If white smoke is coming out of the exhaust tube of your Yuchai Excavators, it could be due to bad fuel quality, so use the suitable fuel. Another possible cause is that the engine oil is overmuch, so make the regular level. If there is water in the cylinder or in the fuel, check and replace the fuel.