1980 Chevrolet Blazer problems

Common 1980 Chevrolet Blazer problems

Based on complaints from owners of the 1980 Chevrolet Blazer, several common problems have been identified:

1. Engines Burning Oil (Bad Valve Seals):
   • This issue is indicated by blue smoke when the engine is first started, which signals bad valve seals.
   • Bad valve seals can lead to oil consumption, reduced engine performance, and potential engine damage over time.
2. Rear Main Seal Oil Leak:
   • The rear main seal oil leak occurs in the area between the back of the oil pan and the front of the transmission.
   • This leak can result in oil loss, potential engine overheating, and damage if not addressed promptly.
3. Whining Rear Differential:
   • A whining noise coming from the rear differential indicates potential issues with the differential gears or bearings.
   • Neglecting this problem can lead to further damage to the differential and affect the vehicle's drivability.
4. Transfer Case Problems:
   • Owners have reported issues with the transfer case, affecting the functionality of the four-wheel drive system.
   • Ensuring proper engagement of the transfer case in different modes like 4HI is crucial for optimal four-wheel drive operation.
5. Electrical Wiring Harness Issues:
   • Hacked or spliced wiring harnesses have been a common problem in the 1980 Chevrolet Blazer.
   • Damaged wiring can lead to electrical malfunctions, affecting various components like lights, sensors, and other electrical systems.
6. Rust:
   • Rust is a prevalent issue in the 1980 Chevrolet Blazer, affecting areas like rocker panels, floors, seatbelt mounts, tailpans, and tailgates.
   • Rust can compromise the structural integrity of the vehicle, leading to safety concerns and potential costly repairs if left unaddressed.
7. Loose Front End Components:
   • Loose front end components can cause steering instability, vibrations, and uneven tire wear.
   • Addressing this issue promptly is essential to maintain safe driving conditions and prevent further damage to the vehicle's suspension system.
8. Other Fluid Leaks:
   • Fluid leaks, apart from oil leaks, can occur in various systems like the transmission, coolant, or power steering.
   • Identifying and fixing fluid leaks promptly is crucial to prevent damage to components and ensure the vehicle's proper functioning.

By addressing these common problems in the 1980 Chevrolet Blazer promptly and adequately, owners can maintain the vehicle's reliability, performance, and safety on the road.

What is the most common problem on a Chevy Blazer?

Here are the most commonly reported Chevrolet Blazer problems:

• “Shift to Park” Error Message On Display. ...
• Fuel Pump Failure. ...
• Faulty Distributor. ...
• Fuel Gauge Doesn't Show Accurate Readings. ...
• Cooling System Issues. ...
• Transmission Failure. ...
• Anti-Lock Brake (ABS) System Control Module Failure. ...
• Gas Cap Issues.

Are old Chevy Blazers reliable?

According to J.D. Power, the Chevrolet Blazer has a quality and reliability rating of 86 out of 100, meaning that it offers great short to long-term reliability. Whether you're worried about mechanical issues or tech malfunctions, the Chevy Blazer isn't prone to either, making it a great alternative in the used market.

What are the best years for the Chevy Blazer?

The Top 5 Chevrolet Blazers In History

• 1973 Chevrolet K5 Blazer: Dynamic and Defined.
• 1985 Chevrolet K5 Blazer: An Old-School Classic.
• 1994 Chevrolet Blazer: The Last Blazing Giant.
• 2001 Chevrolet Blazer: The Ultimate Road-Going Hauler.
• 2005 Chevrolet Blazer: Easygoing and Practical.

Are 1985 Chevy Blazers reliable?

However, some '85 Chevy Blazer owners report problems with the four-wheel drive, transmission, and other mechanical problems and said replacement parts were expensive.

What is the most common problem on a Chevy Blazer?

Here are the most commonly reported Chevrolet Blazer problems:

• “Shift to Park” Error Message On Display. ...
• Fuel Pump Failure. ...
• Faulty Distributor. ...
• Fuel Gauge Doesn't Show Accurate Readings. ...
• Cooling System Issues. ...
• Transmission Failure. ...
• Anti-Lock Brake (ABS) System Control Module Failure. ...
• Gas Cap Issues.

Are old Chevy Blazers reliable?

According to J.D. Power, the Chevrolet Blazer has a quality and reliability rating of 86 out of 100, meaning that it offers great short to long-term reliability. Whether you're worried about mechanical issues or tech malfunctions, the Chevy Blazer isn't prone to either, making it a great alternative in the used market.

What is the best year for the Chevy Blazer?

The Top 5 Chevrolet Blazers In History

• 1973 Chevrolet K5 Blazer: Dynamic and Defined.
• 1985 Chevrolet K5 Blazer: An Old-School Classic.
• 1994 Chevrolet Blazer: The Last Blazing Giant.
• 2001 Chevrolet Blazer: The Ultimate Road-Going Hauler.
• 2005 Chevrolet Blazer: Easygoing and Practical.

Are 1985 Chevy Blazers reliable?

However, some '85 Chevy Blazer owners report problems with the four-wheel drive, transmission, and other mechanical problems and said replacement parts were expensive.

1980 Chevrolet Blazer car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Chevrolet Blazer problems, we found that the most common problems with these 2023 model year vehicles are:

• Seat belts problems

The graph below shows statistics for all 1980 Chevrolet Blazer vehicle components and the number of complaints received.