Chevrolet K20 Suburban Cooling System Flush at your home or office.

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Cooling System Flush Service

How much does a Cooling System Flush cost?

On average, the cost for a Chevrolet K20 Suburban Cooling System Flush is $206 with $63 for parts and $142 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1975 Chevrolet K20 SuburbanV8-5.7LService typeCooling System FlushEstimate$298.87Shop/Dealer Price$345.46 - $451.50
1978 Chevrolet K20 SuburbanV8-5.7LService typeCooling System FlushEstimate$268.87Shop/Dealer Price$315.49 - $421.55
1976 Chevrolet K20 SuburbanV8-5.7LService typeCooling System FlushEstimate$268.87Shop/Dealer Price$315.49 - $421.54
1980 Chevrolet K20 SuburbanV8-5.7LService typeCooling System FlushEstimate$268.87Shop/Dealer Price$315.45 - $421.48
1980 Chevrolet K20 SuburbanL6-4.8LService typeCooling System FlushEstimate$268.87Shop/Dealer Price$315.51 - $421.58
1968 Chevrolet K20 SuburbanL6-4.8LService typeCooling System FlushEstimate$268.87Shop/Dealer Price$315.49 - $421.54
1974 Chevrolet K20 SuburbanV8-5.7LService typeCooling System FlushEstimate$276.37Shop/Dealer Price$322.78 - $428.68
1985 Chevrolet K20 SuburbanV8-5.7LService typeCooling System FlushEstimate$276.37Shop/Dealer Price$323.34 - $429.66
Show example Chevrolet K20 Suburban Cooling System Flush prices

What is the cooling system flush all about?

Your cooling system is what keeps your car from overheating. It works by circulating a mixture of water and coolant through the engine. Over time the coolant mixture becomes contaminated with scale and rust, which can clog and damage the cooling system components. A cooling system flush essentially flushes out the entire system of contaminants and replaces the coolant mixture with fresh coolant and water.

Keep in mind:

Your mechanic will drain the fluid, clean the system with coolant cleaner, and use water to remove the remaining coolant. After cleaning the system, the mechanic will fill it up with new coolant. This process is effective and an approved industry method of flushing your vehicle’s cooling system.

How it's done:

  • Install flush chemical to radiator
  • Bring the car to operating temperature
  • Drain the old coolant
  • Close valve and refill with water
  • Repeat the process
  • Fill radiator with a 50/50 mixture of coolant and water
  • Check for leaks and fan operation

Our recommendation:

  • Some vehicles are equipped with a low coolant sensing system. Should this light come on, have your vehicle inspected for leaks or other possible causes for the low coolant level.

  • Follow the service maintenance schedule provided by the manufacturer to get the coolant replaced at regular intervals. In general, it is a good practice to change the coolant every 40,000-50,000 miles.

What are the common symptoms indicating you need to flush the cooling system?

  • Check Engine warning light is on
  • Low Coolant warning light is on
  • Engine is overheating

How important is this service?

A cooling system flush is an important part of preventative maintenance and helps to keep your car healthy and on the road.

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Meet some of our expert Chevrolet mechanics

Real customer reviews from Chevrolet owners like you.

Excellent Rating

(71)

Rating Summary
68
3
0
0
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68
3
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Scott

36 years of experience
898 reviews
Scott
36 years of experience
Chevrolet K20 Suburban V8-6.6L - Car is not starting - Apache Junction, Arizona
Scott was very knowledgeable, explained everything and patiently answered all my questions,

Lavell

28 years of experience
230 reviews
Lavell
28 years of experience
Chevrolet Sonic L4-1.8L - Cooling System Flush - Vallejo, California
Another great job by Lavell. He was on it. Calls you prior to appointment about questions, thorough in inspection. Prompt and careful during the process. Takes photos and leaves audio notes afterwards. I trust in Lavell to book him again with another appointment. Thanks so much. Glad to find a mechanic to trust and that will come to the house to fix issues.

Damian

11 years of experience
465 reviews
Damian
11 years of experience
Chevrolet Suburban 1500 V8-5.3L - Cooling System Flush - Washington, District of Columbia
Very knowledgeable about the parts as well as what needed to be replaced in future repairs. Would recommend!!

James

19 years of experience
96 reviews
James
19 years of experience
Chevrolet Tahoe V8-5.3L - Cooling System Flush - Glendale, Arizona
Excellent

Excellent Rating

(71)

Rating Summary
68
3
0
0
0
68
3
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Number of Chevrolet Cooling System Flush services completed
781+
services done by our mechanics
TOTAL NUMBER OF EXPERT Chevrolet MECHANICS
1600+
experts on our platform

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