Hydraulic Control Unit — Renault Duster
Category: Transmission | Severity: high | Cost: ₹20,000–₹50,000
What is Hydraulic Control Unit?
Controls hydraulic pressure for gear shifting and clutch actuation in AMT.
How Hydraulic Control Unit Works
Uses pressurized fluid controlled by valves and solenoids to operate actuators.
Why is Hydraulic Control Unit Important?
Ensures precise and smooth gear transitions.
Common Problems
- Pressure loss
- Valve failure
Symptoms
- Hard shifting
- Gear slipping
Causes of Failure
- Fluid contamination
- Seal failure
Impact on Car Performance
Leads to delayed or failed gear shifts.
DIY Fix Guide — Step by Step
- Check hydraulic fluid
- Scan for faults
Maintenance Tips
- Use clean fluid
- Regular inspection
Replacement Cost in India
Estimated range: ₹20,000 – ₹50,000
Where to Buy Online
When to Replace Hydraulic Control Unit
When pressure issues or failures occur.