Cooling issue with Silverado

Asked by Ronald Jun 25, 2023 at 11:17 PM about the 2010 Chevrolet Silverado 1500 LS Extended Cab 4WD

Question type: Maintenance & Repair

my Silverado had a small coolant leak from the
water pump and temp would fluctuate between
210 mark and almost to the next tick line only at
idle. Replaced water pump(carquest brand) still
same result with coolant temp. Switched out the
thermostat for a new one (carquest brand) same
result with temp. Plug in scan tool. Engine temp
gets to 224 225 then fans kick on them will go
back down to 210. This only happens at idle.
Wondering if temp sensor should be replaced or
is it something more expensive.

2 Answers
157,825

James answered about a year ago

This is going to be an airflow problem since it only happens at idle. Check the actual coolant temperature with a lazer type thermometer at the thermostat housing and see if it matches your scan tool. If the coolant temperature sensor is skewed you may not know it unless the actual coolant temperature is verified. You're only seeing what the PCM is seeing. There may be a second sending unit for the dash gauge only. Hope that helps! Jim

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • Cooling issue with Silverado 2 Answers

    my Silverado had a small coolant leak from the water pump and temp would fluctuate between 210 mark and almost to the next tick line only at idle. Replaced water pump(carquest brand) still same re...

    2010 Chevrolet Silverado 1500 LS Extended Cab 4WD

    -

    Maintenance & Repair

  • 2014 silverado ac issue 1 Answer

    Silverado ac not working. Replaced the compressor and belt, recharged system and still blowing hot air.

    2014 Chevrolet Silverado 1500 Work Truck 1WT Crew Cab 4WD

    -

    Maintenance & Repair

  • Electrical issue with my 2005 silverado ls 4.8 3 Answers

    I going crazy throwing parts at this thing i hope someone can teally help me . So it started with my brake lights not working and so when i checked my bulbs everything was good but i changed them ...

    2005 Chevrolet Silverado 1500 LS Extended Cab RWD

    -

    Maintenance & Repair

  • Fuel issue on Silverado 3 Answers

    2005 Silverado. I cannot get it to turn over. It cranks but does not turn on. I checked to see if I could hear the pump in the tank prime and i got no sound.......so i lowered the tank, and checked...

    2005 Chevrolet Silverado 1500 Extended Cab RWD

    -

    Maintenance & Repair

  • 2014 silverado battery drain issue 17 Answers

    Have a 2014 silverado and I keep losing power. Can jump in the morning will start fine all day let it sit overnight and nothing. Checked all fuses for parasitic drain couldn't find anything. Bought...

    2014 Chevrolet Silverado 1500 LT Crew Cab 4WD

    -

    Maintenance & Repair

Silverado 1500

Looking for a Used Silverado 1500 in your area?

CarGurus has 5,872 nationwide Silverado 1500 listings starting at $2,975.

Postal Code:

Shortcuts

Search Chevrolet Silverado 1500 Questions

CarGurus Experts

  • #1
    Rowefast
    Reputation
    10,510
  • #2
    Andrew Olsen
    Reputation
    9,690
  • #3
    John Carson
    Reputation
    9,680
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
147 Great Deals out of 6,591 listings starting at $3,975
Used Ford F-150
305 Great Deals out of 14,144 listings starting at $1,712
Used Chevrolet Silverado 2500HD
27 Great Deals out of 1,237 listings starting at $9,990
Used RAM 1500
479 Great Deals out of 15,799 listings starting at $1,500
Used Toyota Tundra
31 Great Deals out of 1,406 listings starting at $6,255
Used Dodge RAM 1500
8 Great Deals out of 76 listings starting at $2,000
Used Toyota Tacoma
49 Great Deals out of 1,110 listings starting at $9,995
Used Chevrolet Tahoe
12 Great Deals out of 889 listings starting at $12,900
Used Chevrolet Colorado
29 Great Deals out of 1,525 listings starting at $5,800
Used GMC Sierra 2500HD
25 Great Deals out of 1,539 listings starting at $8,999
Used Ford F-250 Super Duty
19 Great Deals out of 1,189 listings starting at $8,995
Used Chevrolet Camaro
17 Great Deals out of 290 listings starting at $9,995
Used RAM 2500
46 Great Deals out of 2,149 listings starting at $13,650
Used Dodge Charger
35 Great Deals out of 751 listings starting at $3,400
Used Chevrolet Corvette
26 Great Deals out of 1,084 listings starting at $15,000

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.