why does my 08' avalanche run 40 psi oil pressure cold after oil gets hot pressure drops below 20 psi

Asked by Apr 28, 2016 at 08:40 PM about the 2008 Chevrolet Avalanche LTZ 4WD

Question type: Maintenance & Repair

1 Answer

11,385

Oil is thicker when its cold along with engine clearances being tighter less room to push the oil through requires more pressure as it warms up oil thins, and engine clearances open up reducing the pressure. Wear on the pump cause a gradual reduction in pressure overtime too.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Chevrolet Avalanche Questions

Chevrolet Avalanche Experts

#1 Tom Demyan
Tom Demyan
Reputation 290
#2 David Scott
David Scott
Reputation 160
#3 Oscar Leon
Oscar Leon
Reputation 150
View All

Related Models For Sale

Used Chevrolet Silverado 1500
2,298 Great Deals out of 155,159 listings starting at $1,395
Used Chevrolet Tahoe
778 Great Deals out of 28,448 listings starting at $1,500
Used Ford F-150
2,702 Great Deals out of 211,804 listings starting at $1,000
Used Cadillac Escalade EXT
39 Great Deals out of 799 listings starting at $4,995
Used GMC Sierra 1500
941 Great Deals out of 62,271 listings starting at $1,395
Used Dodge Ram 1500
530 Great Deals out of 12,828 listings starting at $1,995
Used Cadillac Escalade
308 Great Deals out of 10,692 listings starting at $1,900
Used Toyota Tundra
588 Great Deals out of 30,722 listings starting at $2,637
Used GMC Yukon
520 Great Deals out of 17,125 listings starting at $1,799
Used Chevrolet Colorado
264 Great Deals out of 19,414 listings starting at $1,995
Used Chevrolet Suburban
464 Great Deals out of 18,776 listings starting at $1,399
Used Dodge Charger
357 Great Deals out of 29,619 listings starting at $2,475
Used Honda Ridgeline
104 Great Deals out of 7,504 listings starting at $4,995
Used Toyota Tacoma
620 Great Deals out of 35,105 listings starting at $2,155

Used Cars For Sale

2012 Chevrolet Avalanche LTZ 4WD For Sale
6 Great Deals out of 114 listings starting at $17,995
2011 Chevrolet Avalanche LTZ 4WD For Sale
12 Great Deals out of 224 listings starting at $16,288
2010 Chevrolet Avalanche LTZ 4WD For Sale
5 Great Deals out of 134 listings starting at $15,995