Argo ATVs are renowned for their rugged durability and impressive off-roading capabilities. However, like any powerful machine, Argos can develop issues that need to be addressed. From starting troubles to transmission woes, Argo ATVs can experience their fair share of mechanical hiccups. While frustrating, most Argo problems have straightforward solutions. With regular maintenance and attentive care, Argo owners can keep their vehicles running smoothly for miles to come.
One of the most common issues plaguing Argo ATVs is starting difficulties. Problems like a dead battery, fouled spark plugs, or a clogged air filter can all prevent an engine from turning over. Thankfully, with some basic mechanical know-how, these starting troubles can be easily remedied. A fresh battery, new spark plugs, or a cleaned air filter typically gets an Argo humming again. Electrical gremlins or fuel supply problems may require somewhat more complex solutions. However, they are manageable fixes for most mechanically inclined owners.
Beyond starting woes, Argo ATVs can also suffer from transmission hiccups, steering issues, and overheating. Transmission troubles typically derive from low fluid levels, damaged gears, or worn clutches. Meticulous maintenance and prompt repairs can return shifting to smooth functioning. Steering difficulties usually stem from loose tie rods or damaged steering shafts. Again, attentive upkeep and speedy fixes get an Argo tracking straight. Overheating arises from dirty coolants systems or faulty water pumps. A good cooling system flush and water pump rebuild prevents destructive overheating. With attentive care and timely repairs, Argo owners can keep their vehicles running strong for years of off-road fun.
Difficulty starting is one of the most common issues reported by Argo ATV owners. Thankfully, with systematic troubleshooting and some mechanical know-how, most starting problems can be quickly remedied. Here are the most likely culprits and fixes when your Argo won’t start:
The battery is the cornerstone of your Argo’s electrical system. If it’s not properly charged, your ATV will refuse to start. Follow this troubleshooting process:
- Check battery terminals for corrosion and clean if necessary
- Load test battery to determine if it needs replacement
- Fully recharge battery and test again
- If issue persists, replace battery
To avoid future issues, regularly inspect battery terminals and keep battery fully charged when not in use.
Fouled or Faulty Spark Plugs
Spark plugs are key to igniting the engine’s fuel-air mixture. Problems like oil fouling, excessive gap, or cracked porcelain can prevent them from sparking properly.
- Remove and inspect spark plugs
- Check gap against manufacturer spec and adjust as needed
- Clean plugs with wire brush or replace if excessively fouled
- Ensure plugs are properly gapped and seated before reinstalling
Spark plugs should be inspected and replaced at recommended service intervals. Using spark plugs with the correct heat range is also important.
Clogged Air Filter
A clogged air filter restricts airflow into the engine, potentially causing starting issues.
- Remove and inspect air filter element
- Tap filter gently to remove debris or replace if excessively dirty
- Check air filter housing for obstructions
- Reinstall filter securely before attempting to start
Check and replace air filters at manufacturer recommended intervals to maintain proper airflow.
Fuel Supply Problems
Lack of fuel prevents an engine from starting. Issues like clogged filters, bad fuel pump, or injector problems could be to blame.
- Ensure fuel tank has adequate fuel
- Check fuel lines for cracks/damage and listen for pump operation
- Inspect filters for clogging and replace as needed
- Test fuel pressure and volume to pinpoint pump/injector faults
Periodically inspect fuel system components and replace filters as specified. Using fresh, high-quality fuel also minimizes problems.
Electrical issues like broken wires or malfunctioning sensors can prevent starting.
- Check battery terminals and connections for tightness
- Inspect wires for chafing and insulation damage
- Test operation of starter solenoid and relay
- Ensure key switch providing power to proper circuits
- Reset fault codes and monitor for recurring issues
Careful wiring inspection and harness repairs may be needed to address chronic electrical gremlins. Professional diagnosis is recommended for complex issues.
Less common factors like compression issues, timing chain faults, and sheared flywheel key could also affect starting. Consult a professional technician for troubleshooting help when basic steps fail to fix hard starting issues.
The transmission is the unsung workhorse that propels your Argo ATV. Like other drivetrain components, it needs proper maintenance and prompt repairs when issues arise. Here are some of the most prevalent transmission problems and solutions:
Low Fluid Levels
Insufficient transmission fluid can lead to internal damage and shifting problems.
- Check fluid level with engine warm and ATV on level ground
- Top up fluid to full mark if low
- Monitor levels and condition. Change fluid if dirty or smells burnt.
Worn Shift Forks
The shift forks slide collars to engage different gears. Excessive wear leads to loose engagement and difficult shifting.
- Inspect fork condition and measure thickness
- Replace worn shift forks to restore crisp shifting
- Check shift drum and collar condition while transmission is open
Chipped, broken, or excessively worn gears make smooth shifting impossible.
- Listen for grinding noises in gear ranges
- Visually inspect gears once transmission is opened
- Replace any damaged gears and check associated components
Clutch slippage or disengagement causes intermittent power delivery and shifting problems.
- Test clutch engagement and feel for smooth operation
- Inspect clutch linings for excessive wear or overheating
- Replace clutch components like plates, springs as needed
- Ensure proper clutch cable adjustment
Regular transmission fluid changes and prompt diagnosis of shifting concerns can help prevent or minimize repairs.
Steering System Issues
Steering system problems can make an Argo ATV extremely difficult and hazardous to maneuver. Be alert for issues like wandering, looseness, and uneven tire wear.
Loose Tie Rods
The tie rods connect the steering knuckles to facilitate turning. Loose tie rods cause sloppy steering.
- Check for play in the tie rod ends
- Tighten loose tie rod end jam nuts
- Replace any damaged or excessively worn components
Damaged Steering Shaft
The steering shaft transfers input from the steering wheel to the gearbox. A bent or damaged shaft will cause poor steering control.
- Inspect shaft for signs of damage or looseness
- Test steering for tightness and smooth operation
- Replace damaged steering shaft assembly
Incorrect wheel alignment leads to pulling, wandering, and uneven tire wear.
- Perform front wheel alignment check per service manual
- Adjust tie rods to realign wheels within specified range
- Inspect other steering links for damage
Addressing steering issues promptly improves safety and prevents further component damage.
Overheating issues are always serious, with the potential to lead to catastrophic engine damage. Be vigilant to catch these problems early.
Cooling System Leaks
Low coolant levels due to leaks cause the engine to run hot.
- Visually inspect hoses, radiator, water pump for leaks
- Pressure test system to check for additional leaks
- Repair leaks at source as needed
- Top up coolant and bleed air from system
A stuck closed thermostat prevents coolant circulation, leading to overheating.
- Check thermostat operation by warming up engine
- Replace thermostat if engine doesn’t reach operating temperature
A radiator blocked with debris causes insufficient cooling.
- Visually inspect radiator for dirt, bugs, leaves, etc
- Use compressed air or water flush to clean radiator core
- Straighten any bent cooling fins for optimal airflow
Water Pump Failure
Without coolant circulation from a working water pump, engines overheat rapidly.
- Listen for pump noise and check for leaks
- Test pump operation
- Replace water pump if faulty
Never ignore overheating. Even minor issues can quickly snowball into expensive repairs when left unchecked.
Electrical System Issues
Like most modern vehicles, Argo ATVs rely on complex wiring harnesses and sophisticated electronics. Electrical faults can cause a variety of performance and operational problems.
Corrosion buildup on connections and terminals creates resistance that can mimic electrical issues.
- Spray electrical connections with corrosion inhibitor
- Clean terminals thoroughly with wire brush
- Apply dielectric grease to prevent future corrosion
Cracked or chafed insulation exposes wiring to moisture and short circuits.
- Carefully inspect wiring harnesses for damage
- Repair Small cracks and tears with electrical tape
- Replace severely damaged harness sections
Defective sensors like oxygen, coolant temp, and throttle position can cause incorrect readings and Check Engine lights.
- Scan for diagnostic trouble codes to identify suspect sensor
- Test sensor signals and operation per service manual
- Replace faulty sensors based on scan tool data and testing
Use wiring diagrams to pinpoint shorts and diagnose other electrical gremlins. Professional diagnosis may be required in some cases.
Additional Common Problems
Beyond the major issues noted above, Argo ATVs can suffer their share of additional mechanical maladies. Here are some other prevalent problems owners may encounter:
- Dead Battery: See starting problems section for troubleshooting tips. Remember to keep batteries fully charged when ATV is not in use.
- Leaking Oil: Inspect seals, gaskets, plugs for leaks. Repair leaks promptly to avoid engine damage or oil starvation.
- Axle and Bearing Noise: Listen for grinding or whining noises which signal worn bearings. Replace damaged bearing assemblies promptly.
- Loose or Jumping Drive Chain: Check chain tension and sprocket condition. Adjust chain tension to spec or replace worn drive components as needed.
- Braking Issues: Uneven pad wear, grabbing, or noise indicates servicing needed. Bleed brakes, replace pads, and flush fluid as specified.
- Vibration Problems: Out of balance or bent wheels, worn CVs, and driveline issues can cause vibration. Identify and repair source promptly.
- Reduced Power: Fouled plugs, clogged air filter, stuck thermostat are a few possible causes. Systematic troubleshooting isolates root cause.
- Excessive Smoke: White smoke points to coolant burning. Black smoke indicates rich fuel mixture or air intake issues. Diagnose and correct promptly.
For any problems outside your mechanical comfort zone, don’t hesitate to enlist the help of an experienced Argo ATV repair technician. Their expertise can save you time, money, and frustration in resolving issues.
Preventative Maintenance Best Practices
“An ounce of prevention is worth a pound of cure” is sage advice when it comes to minimizing Argo ATV problems. Sticking to the prescribed maintenance schedule outlined in your owner’s manual is key. Additionally, stay vigilant for issues and make minor repairs promptly to avoid breakdowns.
Here are some vital preventative maintenance tips to keep your Argo running flawlessly:
Follow Maintenance Schedule
- Change engine oil and filter at specified intervals
- Inspect and replace air filter when needed
- Check/adjust valve clearance per maintenance schedule
- Change transmission/differential fluid as directed
- Lubricate pivot points and controls
Check Critical Components
- Inspect brake pad thickness and ensure proper operation
- Check tire pressures and tread condition
- Examine belts for cracking and listen for slipping
- Look for fluid leaks and correct any found
- Test battery and recharge as needed
- Wash dirt and mud off chassis after every ride
- Clean radiator core and check hose condition
- Keep battery terminals and connections corrosion-free
- Avoid pressure washing sensitive components
Address Issues Promptly
- Investigate any new vibration, noise or smell
- Fix minor oil leaks before major damage occurs
- Replace worn parts like filters that are past due
Protect From Elements
- Use engine fogging oil during storage
- Keep ATV under cover or tarp when not in use
- Charge and maintain battery through extended downtime
Following these best practices will optimize reliability and minimize breakdowns. Don’t cut corners on maintenance with a machine as invaluable as your Argo ATV.
Finding a Repair Shop You Can Trust
Even with diligent maintenance, critical ATV repairs or complex diagnostics may be needed at some point during ownership. Finding a qualified repair shop is key to ensuring issues are properly fixed the first time. Here are tips for choosing a top Argo ATV repair facility:
- Look for Argo Specialization – Seek out shops that have specific experience with Argo models rather than general ATV repair. The specialized knowledge can prove invaluable.
- Check for Certifications – Factory certifications like Argos’ Powered by BOSS indicate advanced training and competency. These shops have inside access to technical resources as well.
- Read Reviews – Don’t just take a shop’s word when it comes to expertise. Check for consistently positive reviews that mention qualifications, fair pricing, and quality work.
- Ask Around – Fellow Argo owners can point you towards repair facilities with proven track records of solving common Argo problems. Owner forums are great for sourcing referrals.
- Request Estimates – Get a written quote for repair costs upfront so there are no surprises. Make sure the quote also spells out work to be performed.
- Inquire About Warranties – Many shops provide warranties on parts and labor. Ensure any provided repair warranties are clearly understood before authorizing work.
Taking the time to find the right Argo specialist for maintenance and repairs gives you added peace of mind. You’ll know your machine is in knowledgeable hands when problems do arise down the road.
FAQs Related to Common Argo ATV Problems and Maintenance
Why does my Argo ATV stall or shut off while riding?
Potential causes for stalling include: clogged air filter, fuel starvation, failing fuel pump, faulty ignition components, and electrical issues. Check basics like air filter and fuel supply first. Electrical testing may be needed to pinpoint ignition or wiring faults.
What causes the check engine light to come on in my Argo?
The check engine light indicates a problem detected by the ECU. Connecting a scan tool will reveal diagnostic trouble codes that identify the specific sensor or system malfunctioning. Address codes promptly to prevent further issues.
I hear a clanking noise when turning my Argo ATV. What should I check?
Noisy steering commonly stems from worn tie rod ends, loose steering shaft fasteners, or damaged CV joints. Inspect these areas closely to pinpoint loose or damaged components in need of replacement.
How can I tell if my Argo ATV clutch is slipping?
Clutch slippage will feel like a brief loss of acceleration when throttle is applied. It may be accompanied by a burning smell from the clutch. Worn clutch components and improper cable adjustment are likely causes.
What is the clicking sound coming from my Argo wheels?
Clicking or popping noises when turning point to worn constant velocity (CV) joints. Damaged boots allow dirt inside the joints causing accelerated wear and noise. Replace any damaged CVs.
My Argo loses power on hills. What might cause this?
Insufficient power on inclines can stem from clogged air filters, contaminated fuel, failing fuel pump, or clutches slipping. Methodically troubleshoot each of these potential issues to isolate root cause.
How do I know if my Argo ATV battery needs replacement?
If battery cranks engine slowly, fails load testing, or won’t hold charge for long, it likely needs replacement. Deeply discharged batteries may be unrecoverable. Replace every 2-3 years as precaution.
What fluid type should be used in the transmission?
Always consult your owner’s manual as specifications can vary by model. Typically, an API GL-4 or GL-5 grade hypoid gear oil in the recommended viscosity will be specified.
My Argo overheats after running for awhile. Where do I start troubleshooting?
Overheating issues could stem from coolant leaks, clogged radiator, faulty water pump, stuck thermostat, or bad cooling fan. Check simplest problems like coolant level first before major repairs.
Enjoy Your Argo to the Fullest
While Argo ATVs are certainly not immune to mechanical problems, understanding the most common issues along with proven troubleshooting and maintenance tips will minimize headaches. This allows you to spend more time enjoying your Argo rather than worrying about what could go wrong.
Whether tackling tough trails, crossing rugged streams, or helping manage remote properties, a properly maintained Argo ATV will provide years of reliable utilization. By selecting a trusted repair shop for major work, you ensure issues get correctly diagnosed and fixed when they do arise. That leaves you free to embrace all the adventure an Argo makes possible.