Vent Oil Separator Service Cost Guide
At our standard rate of $125/hour, here's what you can expect to pay for various Vent Oil Separator services:
Basic Maintenance Service
Estimated Cost: $250-375(2-3 hours)
- Visual inspection
- Basic cleaning
- Filter check and cleaning
- Performance testing
Deep Cleaning Service
Estimated Cost: $500-625(4-5 hours)
- Complete disassembly
- Thorough internal cleaning
- Component inspection
- Reassembly and testing
Major Repair Service
Estimated Cost: $750-1,000(6-8 hours)
- Component replacement
- Seal replacement
- Complete system overhaul
- Extended testing
Emergency Service
Estimated Cost: $375-500(3-4 hours)
- After-hours response
- Diagnostic assessment
- Temporary fixes if needed
- Basic repairs
Note: These are estimated costs based on typical service times. Actual costs may vary depending on system complexity, accessibility, and specific issues encountered during service.
Additional Costs:
- Replacement parts (if needed)
- Emergency call-out fee
- Travel time for remote locations
Vent Oil Separator Repair Procedures
Catch Can Style Separator
Step 1:Remove the catch can from mounting brackets and disconnect PCV hoses
Step 2:Disassemble the catch can by unscrewing the top portion
Step 3:Clean all internal components thoroughly using degreaser and compressed air
Step 4:Inspect filter media and baffle system for damage; replace if necessary
Step 5:Check all O-rings and seals; replace if showing wear
Step 6:Reassemble unit ensuring proper seal alignment
Step 7:Reinstall and reconnect PCV hoses
Cyclonic Separator
Step 1:Disconnect electrical connections if equipped with heating element
Step 2:Remove separator from mounting location
Step 3:Disassemble cyclonic chamber carefully noting orientation
Step 4:Clean all internal surfaces and inspect for wear patterns
Step 5:Check cyclonic vanes for damage or buildup
Step 6:Replace any damaged components or worn seals
Step 7:Reassemble ensuring proper alignment of cyclonic components
Step 8:Reinstall and reconnect all fittings and electrical connections
Centrifugal Separator
Step 1:Disconnect power supply and remove unit
Step 2:Open housing and inspect centrifugal disc assembly
Step 3:Clean all components thoroughly
Step 4:Check bearings and rotating assembly for wear
Step 5:Replace worn bearings or damaged components
Step 6:Lubricate bearings according to manufacturer specifications
Step 7:Reassemble unit ensuring proper balance
Step 8:Test rotation before full reinstallation
Mesh Filter Separator
Step 1:Remove unit from system
Step 2:Disassemble housing to access mesh elements
Step 3:Remove and clean mesh filters or replace if damaged
Step 4:Clean housing thoroughly
Step 5:Inspect gaskets and seals
Step 6:Replace any worn sealing components
Step 7:Reassemble with new or cleaned mesh elements
Step 8:Reinstall and check for proper sealing
Important Note:Always consult the manufacturer's specific guidelines before performing any repairs. These are general procedures and may vary by make and model. Professional service is recommended for complex repairs.
Understanding Vent Oil Separators

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Common Failure Symptoms of Vent Oil Separator (VOS) Systems
Signs of Failure & Maintenance Schedules for Vent Oil Separators
Coalescing Vent Oil Separators
Signs of Failure:
- Visible oil mist escaping from exhaust
- Increased oil consumption in equipment
- Saturated or discolored filter elements
- Pressure drop across the separator exceeds manufacturer specifications
Typical Service Schedule:
- Inspect coalescing elements every 3-6 months
- Replace filter elements annually or when pressure drop indicates
- Clean housing and check seals during element replacement
- Drain collected oil monthly or as needed
Centrifugal Vent Oil Separators
Signs of Failure:
- Reduced separation efficiency
- Unusual noise or vibration
- Oil carryover in exhaust
- Bearing wear or failure
Typical Service Schedule:
- Check rotating components quarterly
- Lubricate bearings per manufacturer specifications
- Clean internal surfaces annually
- Inspect seals and gaskets every 6 months
Gravity-Based Vent Oil Separators
Signs of Failure:
- Oil overflow from collection chamber
- Visible oil in discharge
- Corrosion or leaks in separator body
- Clogged drain lines
Typical Service Schedule:
- Empty oil collection chamber monthly
- Clean internal baffles every 6 months
- Inspect for corrosion annually
- Check and clean drain lines quarterly
Note: Actual maintenance intervals may vary based on operating conditions, manufacturer recommendations, and local regulations. Regular monitoring and preventive maintenance are essential for optimal performance.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.