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5.6

fairly significant
Typical Repair Cost:
$300
Average Mileage:
91,600 miles
Total Complaints:
5 complaints

Most Common Solutions:

  1. not sure (3 reports)
  2. replaced water pump (2 reports)
2003 Chevrolet Silverado cooling system problems

cooling system problem

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2003 Chevrolet Silverado Owner Comments

problem #5

Apr 202012

Silverado LS 5.3L

  • Automatic transmission
  • 71,000 miles

A D V E R T I S E M E N T S

After changing water pump, kept losing coolant, having to add coolant maybe four times a year. Problem still there, even worse.

- Rick G., Battle Creek, MI, US

problem #4

Mar 172010

Silverado 4.3L

  • Automatic transmission
  • 167,000 miles

a 2003chevy silverado that leaks anti freeze from intake manifold. If GENERAL MOTORS DOES NOT WANT TO FIX MY TRUCK BECAUSE OF THERE POOR WORKMENSHIP ,THEY CAN BET ON THIS I WILL NOT HAVE A NOTHER GENERAL MOTORS CAR OR TRUCK AGAIN. LOOKS LIKE THERE COULD BE A DODGE IN MY YARD AND PRETTY SOME I THINK

- randalls, Lapeer, MI, US

problem #3

Jun 202009

Silverado 1500 V8

  • Automatic transmission
  • 60,000 miles

i had a small leak and it would over heat on and off so i had water pump replaced and found gasket was pitched so this was leaking a little ever since i bought the truck!

- grys, Roseville, MI, US

problem #2

Jun 302007

(reported on)

Silverado LS 5.3L V8

  • Automatic transmission
  • 150,000 miles

I have had the radiator flushed and the light continues to come on. I have to add coolant or water every 6-8 weeks. I don't see any sign of a leak.

- Johnnie W., Mt. Gilead, NC, US

problem #1

Nov 132007

Silverado LX 5

  • Automatic transmission
  • 10,000 miles

Took to my dealer and complained about having to add anti-freeze every 3 or 4 months about 1/2 gallon they pressure tested found to be ok but still leaks and sometimes smells like burning anti-freeze just another design flaw in my truck thats 2.

- park, Knoxville, TN, US

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