Vanes move freely
Actuator only
- Replace or rebuild the actuator
- Calibrate to the turbo
- Lower cost, quick turnaround turnaround time
Home / VGT actuator
VGT turbos · 2016 and newer
VGT actuator problems, found and fixed
The actuator gets blamed first. Often the real problem is the vane mechanism inside the turbo. We check both before you buy parts.
- Test
- Actuator and vane travel bench test?
- Fix
- Actuator replacement or full turbo rebuild
- Calibrate
- Before it ships in-house?
- Engines
- 6.7 Cummins · 6.7 Power Stroke · L5P Duramax · Cummins X15 · PACCAR MX-13
Bad VGT actuator symptoms
The same signs show up with sticking vanes, boost leaks or sensor faults, so a code alone doesn’t tell you which part to buy.
- Low power, or the truck drops into limp mode
- Warning light with a VGT or actuator fault
- Boost too low, or overboost under load
- New actuator won’t calibrate or relearn
- Problem comes and goes with engine temperature
Actuator or the turbo?
An actuator moves the vanes. If carbon has the vanes stuck, a new actuator just fights them.
Vanes stick or bind
Turbo rebuild
- Teardown and cleaning of the vane mechanism
- New wear parts, balancing
- Actuator checked and calibrated with it
Actuators by engine
Rebuild, exchange and core buying for each engine.
Actuator questions
Can I replace just the actuator?
Sometimes, yes. If the vanes inside the turbo move freely, a new or rebuilt actuator is enough. If they stick, a new actuator can fail again or refuse to calibrate, and the turbo needs a rebuild.
Does a new actuator need calibration?
Usually yes: after replacement it has to be calibrated or relearned with a scan tool, or it can set a fault. We calibrate before it ships
How much does a VGT actuator replacement cost?
It depends on the engine and on whether the vanes also need work. Send the engine and the part number and we quote a firm price. Price range
VGT actuator quote
Tell us what you have. We reply by phone or email.