Cub Cadet Challenger 700 Problems

Cub Cadet Challenger 700 Problems: Common Issues and Solutions Guide

The Cub Cadet Challenger 700 is a popular utility vehicle known for its versatility and performance in various terrain conditions.

However, like any mechanical vehicle, it can experience issues over time.

This comprehensive guide explores common Cub Cadet Challenger 700 problems, providing practical solutions and maintenance tips to keep your vehicle running smoothly for years to come.

Key Takeaways

Engine problems in the Challenger 700 often relate to fuel delivery, ignition issues, or air filter maintenance
Transmission failures typically manifest as grinding noises, difficulty shifting, or complete power loss
Electrical issues commonly involve battery connections, faulty wiring, or problematic voltage regulators
Regular maintenance including fluid changes, filter cleaning, and belt inspections can prevent many common problems
Most Challenger 700 owners can resolve minor issues without dealer involvement using proper troubleshooting

Quick Answer: The Cub Cadet Challenger 700 commonly experiences problems with its electrical system, CVT transmission, overheating, starting difficulties, and suspension components. Many issues can be resolved through regular maintenance and proper troubleshooting.

Common Engine Problems in the Cub Cadet Challenger 700

The heart of the Challenger 700 is its 695cc Kohler engine, which provides impressive power for work and recreation. However, several engine-related issues have been reported by owners across various forums and reviews.

Starting Issues and No-Spark Problems

One of the most frequently reported Challenger 700 problems involves starting difficulties. Many owners have experienced situations where their machine simply won’t start or maintain proper ignition. The “no spark” issue is particularly common, especially in 2015 and 2016 models.

To troubleshoot starting problems:

Check the battery connections and voltage (should read 12.6V when fully charged)
Inspect spark plugs for damage or carbon buildup
Examine the ignition coil for proper function
Verify the kill switch is functioning correctly
Test the stator for appropriate output

Many owners have found that replacing the ignition coil resolves persistent no-spark issues. This relatively inexpensive part (typically $30-60) can save substantial diagnostic time compared to dealer visits.

Fuel System Complications

Fuel delivery problems represent another significant category of engine troubles. The Challenger 700 utilizes a carburetor system that can be sensitive to fuel quality and requires periodic maintenance.

Common fuel system issues include:

Clogged fuel filters restricting flow
Contaminated or stale fuel causing starting problems
Carburetor jets becoming plugged with debris
Fuel pump failures leading to inadequate pressure
Vacuum leaks affecting air-fuel mixture

Regularly replacing the fuel filter (recommended every 100 hours of operation) and using fuel stabilizer during storage periods can prevent many of these problems. For carburetor issues, a thorough cleaning or rebuilding kit generally resolves performance problems.

Overheating Concerns

The Challenger 700’s cooling system occasionally struggles to maintain optimal engine temperatures, particularly during heavy-duty use or in hot climates. Overheating can lead to significant engine damage if not addressed promptly.

Potential causes of overheating include:

Insufficient coolant levels
Radiator clogged with mud or debris
Failed cooling fan or thermostat
Loose or damaged drive belts
Air locks in the cooling system

Regular inspection of the cooling system components and maintaining proper coolant levels can prevent most overheating issues. Additionally, installing an aftermarket temperature gauge provides valuable early warning of potential problems.

Transmission and Drive System Issues

The CVT (Continuously Variable Transmission) in the Challenger 700 generally performs well but has been known to develop specific problems, particularly in models with high mileage or those subjected to heavy loads.

CVT Belt Failures

Perhaps the most commonly reported transmission issue involves premature CVT belt wear or failure. Symptoms typically include:

Burning rubber smell during operation
Loss of power during acceleration
High-pitched squealing noises
Visible belt debris in the CVT housing

Belt problems often result from improper maintenance, overloading the vehicle, or aggressive driving techniques. Using high-quality replacement belts and performing regular inspections can extend belt life significantly. Many owners recommend the Gates G-Force belt as a more durable alternative to OEM components.

Differential and Driveshaft Problems

The Challenger 700’s differential and driveshafts work hard, especially during off-road use. Several owners have reported issues with these components, including:

Clicking or popping noises during turning
Vibration at higher speeds
Difficulty engaging 4WD mode
Fluid leaks from the differential housing
Premature CV joint failures

Regular differential fluid changes (recommended every 100 hours of operation) and proper driving techniques can extend component life. Additionally, installing CV boot guards helps protect these vulnerable parts during off-road adventures.

Shifting Issues

Some Challenger 700 owners report difficulty shifting between gears or maintaining proper engagement. These problems typically manifest as:

Hard shifting between forward and reverse
Grinding noises during gear changes
Transmission slipping under load
Complete transmission failure requiring replacement

Transmission fluid quality plays a critical role in shifting performance. Using the manufacturer-recommended fluid and changing it according to the maintenance schedule prevents many shifting problems. Additionally, adjusting the shift linkage can resolve engagement issues in many cases.

Electrical System Failures

The electrical system in the Challenger 700 controls numerous functions from starting to lighting, and problems in this area can be particularly frustrating to diagnose and repair.

Battery and Charging System Problems

Many electrical issues trace back to the battery and charging system. Common problems include:

Battery failing to hold charge
Dim headlights indicating charging issues
Stator or regulator/rectifier failures
Corroded battery terminals causing intermittent power
Blown fuses from electrical shorts

Maintaining clean battery connections and checking voltage regulator function can prevent many electrical problems. The charging system should produce approximately 14.0-14.5 volts at idle, and readings outside this range indicate potential issues requiring attention.

Switch and Control Failures

The various switches and controls in the Challenger 700 can develop problems over time, especially when exposed to moisture, dust, and temperature extremes. Problems frequently reported include:

Intermittent starter button function
Failed light switches
Erratic dashboard gauge readings
Malfunctioning 4WD selector switch
Non-responsive winch controls

Many switch problems can be resolved by cleaning contacts with electrical contact cleaner or replacing faulty components. Waterproofing electrical connections with dielectric grease helps prevent moisture-related failures, particularly for vehicles used in wet conditions.

Wiring Harness Issues

The wiring harness in the Challenger 700 connects all electrical components, and problems here can cause mysterious electrical gremlins. Issues often include:

Chafed wires causing shorts
Loose connections triggering intermittent problems
Corroded connectors interrupting signal flow
Pinched wires under body panels
Water intrusion into connector blocks

Carefully inspecting the wiring harness for damage and securing loose sections prevents many electrical problems. Some owners have found that applying dielectric grease to all connectors dramatically improves electrical reliability, especially in humid or wet environments.

Suspension and Steering Problems

The Challenger 700’s suspension system provides a comfortable ride but can develop various issues over time, particularly for vehicles used in rough terrain.

Shock Absorber Failures

Shock absorbers on the Challenger 700 work hard to absorb trail impacts and may wear prematurely. Signs of shock problems include:

Excessive bouncing after hitting bumps
Bottoming out more frequently
Oil leaking from shock bodies
Uneven ride height
Knocking noises during suspension movement

Upgrading to heavy-duty aftermarket shocks has solved this problem for many owners. Popular replacement options include Fox and Elka shocks, which offer improved performance and durability over stock components.

Ball Joint and Bushing Wear

The ball joints and suspension bushings in the Challenger 700 can wear rapidly, especially during heavy off-road use. Symptoms of worn components include:

Clunking noises when traveling over bumps
Excessive play in the front end
Uneven tire wear patterns
Wandering steering behavior
Visible movement in suspension components during inspection

Regular greasing of suspension components (where grease fittings are provided) extends service life significantly. Additionally, installing dust boots over exposed joints helps prevent premature wear from dirt and moisture exposure.

Power Steering Problems

The Challenger 700’s power steering system occasionally develops issues, particularly in high-hour machines. Problems typically manifest as:

Increased steering effort
Whining noises during steering
Fluid leaks from the steering rack
Inconsistent steering assistance
Complete power steering failure

Maintaining proper power steering fluid levels and quality prevents many steering issues. Additionally, inspecting the power steering pump belt for proper tension ensures consistent operation and prevents premature pump failures.

Fuel Efficiency and Performance Concerns

While the Challenger 700 isn’t designed for fuel economy, some owners report concerning consumption rates or performance issues that indicate potentially larger problems.

Poor Fuel Economy

Excessive fuel consumption in the Challenger 700 often indicates underlying mechanical issues:

Dirty air filter restricting airflow
Fuel system leaks wasting fuel
Incorrect carburetor adjustment
Dragging brakes creating resistance
Underinflated tires increasing rolling resistance

Regular maintenance, including air filter cleaning and proper tire inflation, helps maintain reasonable fuel efficiency. Additionally, having the carburetor properly tuned by a qualified technician can improve both performance and economy.

Power Loss and Hesitation

Some owners report power loss or hesitation during acceleration, which can be particularly problematic during hill climbs or when towing:

Carbon buildup in the combustion chamber
Dirty fuel injectors (in EFI models)
Clogged exhaust system restricting flow
Improper valve adjustment affecting performance
Elevation changes affecting air-fuel mixture

Using high-quality fuel and periodically using fuel system cleaners helps prevent carbon buildup and maintains performance. For carbureted models, adjusting the jets to match your operating elevation improves power delivery substantially.

Exhaust System Problems

The exhaust system can develop leaks or restrictions that affect performance:

Cracked exhaust manifolds causing power loss
Damaged mufflers creating excessive noise
Restricted catalytic converters affecting power
Broken exhaust hangers causing vibration
Heat shield rattles annoying riders

Inspecting the exhaust system for leaks and damage during regular maintenance prevents many issues. Applying high-temperature anti-seize compound to exhaust fasteners during reassembly makes future repairs much easier.

Maintenance Tips to Prevent Common Problems

Many Challenger 700 problems can be prevented through proper maintenance practices. Following these guidelines helps maximize reliability and performance:

Regular Service Schedule

Following the manufacturer’s recommended service intervals is crucial for preventing major issues:

Change engine oil every 50 hours or annually
Replace the oil filter with each oil change
Clean or replace the air filter every 25 hours in dusty conditions
Change the transmission fluid every 100 hours
Inspect and grease suspension components every 25 hours

Documenting maintenance in a logbook helps ensure no services are missed and provides valuable history for troubleshooting or resale purposes.

Proper Storage Practices

How you store your Challenger 700 significantly impacts reliability:

Add fuel stabilizer before extended storage
Clean the vehicle thoroughly to prevent corrosion
Maintain battery charge with a trickle charger
Store indoors or under a quality cover
Elevate the vehicle to prevent flat-spotting tires

Following proper startup procedures after storage prevents damage. This includes checking fluid levels, inspecting for leaks or pest damage, and gradually bringing the engine to operating temperature before full operation.

Owner Communities and Resources

Joining owner forums and online communities provides valuable troubleshooting resources:

CubCadet.com official forums offer factory support
Facebook groups devoted to Challenger owners share experiences
YouTube channels demonstrate common repairs
Aftermarket parts suppliers offer upgraded components
Service manual PDF files provide detailed procedures

Many owners report that advice from experienced Challenger users saved them substantial diagnostic time and repair costs compared to dealer service.

FAQ About Cub Cadet Challenger 700 Problems

Does Cub Cadet have power steering?

Yes, the Cub Cadet Challenger 700 features electronic power steering (EPS) as standard equipment on most models. This system makes low-speed maneuvering easier and reduces operator fatigue during extended use, though some owners report occasional reliability issues with the power steering motor and control module.

Where is Cub Cadet Challenger made?

The Cub Cadet Challenger series, including the 700 model, is manufactured in the United States at MTD’s facility in Ohio. While some components may be sourced globally, final assembly and quality control occur domestically, which many owners appreciate for parts availability and service support.

Who makes Cub Cadet Challenger motors?

The engines in the Cub Cadet Challenger 700 are manufactured by Kohler, specifically their 695cc V-twin model. Kohler is an American company known for producing reliable small engines, though maintenance requirements are higher than some competitive powerplants like those from Honda or Kawasaki.

What motor is in a Cub Cadet Challenger 750?

The Cub Cadet Challenger 750 features a 735cc EFI (Electronic Fuel Injection) engine from Kohler. This is a slightly larger displacement version than found in the 700 model, offering improved torque and acceleration. The EFI system provides better cold starting and more consistent performance at varying elevations compared to the carbureted 700 model.

Is Cub Cadet Chinese?

No, Cub Cadet is an American brand owned by MTD Products, which is now part of Stanley Black & Decker. While some components may be sourced internationally, as is common in the industry, Cub Cadet maintains manufacturing facilities in the United States. The brand has a long American heritage dating back to 1961.

Is Cub Cadet fuel injected?

The Cub Cadet Challenger 700 specifically uses a carbureted engine system, not fuel injection. However, the higher-tier Challenger 750 model does feature electronic fuel injection (EFI). Many owners prefer the simplicity and field-serviceability of the carbureted 700 despite the performance advantages of EFI in the 750 model.

What is the difference between the Cub Cadet Challenger 550 and 750?

The main differences between these models are engine size and features. The 550 has a 546cc engine while the 750 features a 735cc EFI engine, providing significantly more power. The 750 also includes premium features like electronic power steering, upgraded suspension, and additional comfort features not available on the entry-level 550 model.

Final Thoughts on the Cub Cadet Challenger 700

Despite the various problems highlighted in this guide, the Cub Cadet Challenger 700 remains a capable and popular utility vehicle for both work and recreation.

By understanding common issues and implementing preventative maintenance, owners can maximize reliability and enjoyment of their machines.

Regular maintenance, proper operation techniques, and prompt attention to minor problems prevent most major failures.

With proper care, many Challenger 700s have exceeded 1,000 hours of operation without significant issues, demonstrating their fundamental durability when properly maintained.

Whether you’re considering purchasing a Challenger 700 or seeking solutions for an existing machine, joining owner communities and following manufacturer maintenance guidelines will significantly improve your ownership experience.

The Challenger 700’s combination of affordability, capability, and repairability continues to make it a compelling option in the utility vehicle market despite its occasional challenges.