2007 Chevrolet Silverado 3500 HD

Introduction

The 2007 Chevrolet Silverado 3500 HD is a heavy-duty pickup truck that offers several engine and transmission options. The base engine is a 6.0L V8 with 360 horsepower and 380 lb-ft of torque, paired with a 4-speed automatic transmission. Other engine options include a 6.6L V8 with 360 horsepower and 650 lb-ft of torque, paired with a 6-speed automatic transmission, and a Duramax 6.6L V8 diesel engine with 360 horsepower and 650 lb-ft of torque, also paired with a 6-speed automatic transmission.

The Silverado 3500 HD is praised for its powerful engines, heavy-duty towing and payload capabilities, and spacious interior. However, it has also been criticized for its poor fuel economy, rough ride, and lack of modern safety features.

Engine

6.0L V8

• Intake manifold gasket failure: The intake manifold gaskets can fail, causing coolant and oil leaks. This can lead to engine overheating and oil starvation. To fix the issue, the intake manifold gaskets need to be replaced. Estimated cost to fix: $500 - $1000
• Valve cover gasket leak: The valve cover gaskets can leak oil, which can lead to an oil leak. To fix the issue, the valve cover gaskets need to be replaced. Estimated cost to fix: $200 - $500

6.6L V8

• Fuel injector failure: The fuel injectors can fail, causing the engine to run rough or misfire. To fix the issue, the fuel injectors need to be replaced. Estimated cost to fix: $500 - $1000
• Turbocharger failure: The turbocharger can fail, causing a loss of power and fuel economy. To fix the issue, the turbocharger needs to be replaced. Estimated cost to fix: $1000 - $2500

Duramax 6.6L V8

• High-pressure fuel pump failure: The high-pressure fuel pump can fail, causing the engine to lose power and fuel economy. To fix the issue, the high-pressure fuel pump needs to be replaced. Estimated cost to fix: $1500 - $2500
• Exhaust gas recirculation (EGR) valve failure: The EGR valve can fail, causing the engine to run rough or misfire. To fix the issue, the EGR valve needs to be replaced. Estimated cost to fix: $300 - $500

Transmission

4-Speed Automatic

• Torque converter failure: The torque converter can fail, causing the transmission to lose power and fuel economy. To fix the issue, the torque converter needs to be replaced. Estimated cost to fix: $1000 - $2000
• Output speed sensor failure: The output speed sensor can fail, causing the transmission to shift erratically. To fix the issue, the output speed sensor needs to be replaced. Estimated cost to fix: $200 - $500

6-Speed Automatic

• Solenoid failure: The solenoids can fail, causing the transmission to shift erratically or not at all. To fix the issue, the solenoids need to be replaced. Estimated cost to fix: $500 - $1000
• Transmission fluid leak: The transmission fluid lines or seals can leak, causing the transmission to lose fluid and overheat. To fix the issue, the leaking components need to be replaced. Estimated cost to fix: $200 - $500

Suspension

• Ball joint failure: The ball joints can fail, causing the front axle to become loose and unstable. To fix the issue, the ball joints need to be replaced. Estimated cost to fix: $500 - $1000
• Leaf spring failure: The leaf springs can fail, causing the rear axle to sag and the suspension to lose its support. To fix the issue, the leaf springs need to be replaced. Estimated cost to fix: $1000 - $1500

Electrical

• Battery drain: The battery can drain prematurely due to a faulty alternator or parasitic drain. To fix the issue, the alternator or the source of the parasitic drain needs to be replaced or fixed. Estimated cost to fix: $200 - $1000
• Electrical short: There can be electrical shorts in the vehicle’s wiring harness, causing various electrical problems. To fix the issue, the shorted wires need to be identified and repaired or replaced. Estimated cost to fix: $300 - $1500

Exterior

• Tailgate lock failure: The tailgate lock can fail, making it difficult to open or close the tailgate. To fix the issue, the tailgate lock needs to be replaced. Estimated cost to fix: $100 - $200
• Step bar rust: The step bars can rust and lose their protective coating, making them more likely to corrode. To fix the issue, the step bars need to be replaced. Estimated cost to fix: $500 - $1000

Interior

• Instrument panel failure: The instrument panel can fail, causing the gauges and lights to stop working. To fix the issue, the instrument panel needs to be replaced. Estimated cost to fix: $500 - $1000
• Climate control unit failure: The climate control unit can fail, causing the heating and air conditioning system to malfunction. To fix the issue, the climate control unit needs to be replaced. Estimated cost to fix: $300 - $500

Summary

The 2007 Chevrolet Silverado 3500 HD has several common issues, particularly with its engine, transmission, and suspension components. Some of these issues can be severe and expensive to fix. However, the Silverado 3500 HD is a popular and capable truck that owners generally appreciate for its strength and durability.