Idle Stop Solenoid Repair Cost Guide
Below are the typical repair costs for different Idle Stop Solenoid services at our shop rate of $125/hour:
Basic Diagnostics and Testing
Cost Range: $125-$250
Includes comprehensive diagnostic testing to confirm idle stop solenoid failure and identify any related issues. Typically takes 1-2 hours.
Solenoid Replacement Only
Cost Range: $250-$375
Includes removal and replacement of the idle stop solenoid unit. Labor typically takes 2-3 hours. Part costs vary by vehicle make and model ($75-$200 additional).
Complete System Service
Cost Range: $375-$500
Includes solenoid replacement, cleaning of related components, and full system testing. Labor typically takes 3-4 hours plus parts.
Complex Cases
Cost Range: $500-$750+
For vehicles requiring additional repairs or having difficult-to-access components. May take 4-6 hours plus parts.
Note: These are estimated costs. Final pricing may vary based on vehicle make/model and any additional repairs needed. All repairs include our comprehensive warranty.
Idle Stop Solenoid Repair Procedures by Type
Honda/Acura ISS Repair
Common Models:Honda Civic, CR-V, Accord, Acura MDX, RDX
Repair Steps:
- Remove the valve cover to access the ISS
- Disconnect the electrical connector from the solenoid
- Remove the two mounting bolts securing the ISS
- Clean the mounting surface thoroughly
- Install new solenoid with new O-rings
- Torque mounting bolts to specification
- Reconnect electrical connector
- Reinstall valve cover with new gasket
BMW ISS Repair
Common Models:328i, 335i, 528i, X3, X5
Repair Steps:
- Remove engine cover and locate ISS on cylinder head
- Disconnect electrical connector
- Remove mounting bolts (typically 3)
- Extract solenoid carefully to avoid damage
- Clean mounting surface and oil passages
- Install new solenoid with fresh seals
- Torque bolts in sequence to specification
- Reconnect electrical connector
- Reset adaptive values using diagnostic tool
Mercedes-Benz ISS Repair
Common Models:C-Class, E-Class, ML-Class
Repair Steps:
- Access ISS through engine compartment
- Remove protective covers
- Disconnect electrical connections
- Remove mounting hardware
- Extract solenoid assembly
- Clean mounting surface thoroughly
- Install new solenoid with new seals
- Torque fasteners to specification
- Reconnect electrical connections
- Perform electronic adaptation using STAR diagnostic system
Audi/VW ISS Repair
Common Models:A4, A6, Q5, Golf, Passat
Repair Steps:
- Remove engine covers and locate ISS
- Disconnect electrical connector
- Remove retaining bolts
- Extract solenoid carefully
- Clean mounting surface and passages
- Install new solenoid with new O-rings
- Torque mounting bolts to specification
- Reconnect electrical connector
- Clear fault codes using VAG-COM
Important Notes:
- Always use OEM or high-quality replacement parts
- Replace all seals and O-rings during installation
- Follow manufacturer torque specifications exactly
- Clean mounting surfaces thoroughly before installation
- Perform necessary electronic adaptations after repair
Note: These procedures are general guidelines. Specific steps may vary by model and year. Always consult manufacturer service documentation for detailed instructions.
Understanding Idle Stop Solenoids
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Common Failure Symptoms of Idle Stop Solenoid
Idle Stop Solenoid: Signs of Failure and Maintenance Guide
Common Signs of Idle Stop Solenoid Failure
1. Engine Won't Start or Restart
- Vehicle fails to restart after auto stop-start activation
- Intermittent starting issues
- Requires multiple attempts to start the engine
2. Warning Lights
- Auto start-stop warning light illuminated on dashboard
- Check engine light activation
- Battery warning light may appear
3. Unusual Behavior
- Rough idling
- Unexpected engine stalling
- Auto stop-start system working inconsistently
Typical Service Schedule
Regular Maintenance Intervals:
- Inspection every 30,000 miles or 2 years (whichever comes first)
- Testing during routine electrical system checks
- Cleaning contacts annually in areas with high humidity or salt exposure
Preventative Maintenance:
- Visual inspection during regular service appointments
- Electrical connection cleaning every 60,000 miles
- Replacement typically recommended between 100,000-150,000 miles
Note: Specific service intervals may vary by vehicle manufacturer and model. Always consult your vehicle's owner manual for exact maintenance schedules.
Factors Affecting Service Frequency:
- Driving conditions (city vs. highway)
- Climate and environmental factors
- Vehicle usage patterns
- Manufacturing specifications
Regular maintenance of your Idle Stop Solenoid can prevent unexpected failures and extend the life of your vehicle's start-stop system. If you notice any of the above signs, it's recommended to have your vehicle inspected by a qualified technician.
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.
