Automatic Timing Advance Unit Repair Costs
Basic Diagnostic and Testing
Initial inspection and basic testing typically takes 1-1.5 hours
Estimated cost: $125-$187.50
Minor Repairs and Calibration
Including cleaning, basic component replacement, and calibration
Average time: 2-3 hours
Estimated cost: $250-$375
Major Repairs
Including extensive component replacement and full system rebuild
Average time: 3-5 hours
Estimated cost: $375-$625
Complete Unit Replacement
Including removal of old unit, installation of new unit, and calibration
Average time: 2-3 hours
Estimated cost: $250-$375 (plus cost of new unit)
Note: These are estimated costs based on our standard labor rate of $125/hour. Additional parts and materials may be required and are not included in these estimates. Final costs may vary depending on vehicle make, model, and specific repair requirements.
Additional Services:
- Emergency same-day service: Additional $100
- Extended warranty coverage: Starting at $75
- Post-repair performance testing: $125
Automatic Timing Advance Unit Repair Procedures
Mechanical Timing Advance Units
Step 1:Remove distributor from vehicle and disassemble to access the mechanical advance mechanism.
Step 2:Inspect springs, weights, and pivot pins for wear or damage.
Step 3:Clean all components thoroughly using appropriate solvents to remove old lubricant and debris.
Step 4:Replace worn springs, weights, or pins as necessary.
Step 5:Apply new high-temperature lubricant to moving parts.
Step 6:Reassemble unit, ensuring proper tension and movement of advance mechanism.
Step 7:Test operation through full range of motion before reinstallation.
Vacuum Timing Advance Units
Step 1:Remove vacuum advance unit from distributor.
Step 2:Test vacuum diaphragm for leaks using a hand vacuum pump.
Step 3:If diaphragm is leaking, replace entire vacuum advance unit as these typically cannot be repaired.
Step 4:Check vacuum lines for cracks or deterioration.
Step 5:Verify proper vacuum source connection.
Step 6:Install new unit and adjust timing as specified.
Electronic Timing Advance Units
Step 1:Connect diagnostic equipment to verify timing advance malfunction.
Step 2:Check all electrical connections and wiring for damage.
Step 3:Test sensors and control module inputs/outputs.
Step 4:Replace faulty components (sensors, modules, or wiring) as needed.
Step 5:Clear any stored fault codes.
Step 6:Perform system calibration if required.
Step 7:Road test to verify proper operation.
Important Note:These procedures may vary depending on vehicle make and model. Always consult manufacturer specifications and service manuals for detailed instructions specific to your vehicle.
Warning:Improper timing adjustment can cause severe engine damage. If you're unsure about performing these repairs, please consult a professional mechanic.
Understanding Automatic Timing Advance Units
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Common Failure Symptoms of Automatic Timing Advance Units
Signs of Failure and Service Schedules for Automatic Timing Advance Units
Vacuum Timing Advance Units
Signs of Failure:
- Engine hesitation during acceleration
- Poor fuel economy
- Rough idle
- Failed emissions test
- Visible vacuum leaks around the unit
Service Schedule:
Inspect every 30,000 miles or when symptoms occur. No regular maintenance required, but vacuum lines should be checked during routine service.
Mechanical Timing Advance Units
Signs of Failure:
- Engine knocking or pinging
- Decreased engine performance
- Hard starting
- Excessive wear on distributor shaft
- Audible clicking from distributor area
Service Schedule:
Inspect springs and weights every 60,000 miles. Lubricate mechanism during distributor maintenance.
Electronic Timing Advance Units
Signs of Failure:
- Check Engine Light illumination
- Erratic idle speed
- Stalling
- Poor acceleration
- Diagnostic trouble codes related to timing
Service Schedule:
No regular maintenance required. Diagnostic check recommended when Check Engine Light appears or performance issues occur.
Computer-Controlled Timing Units
Signs of Failure:
- Multiple sensor-related error codes
- Inconsistent engine performance
- Poor fuel economy
- Rough running at various speeds
- Starting difficulties
Service Schedule:
Software updates as recommended by manufacturer. System diagnostic check during regular vehicle service intervals.
Note: These are general guidelines. Always consult your vehicle's manual for specific maintenance schedules and follow manufacturer recommendations.
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.
