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1995 GMC Sonoma oil cooling lines

Tiny
BASIC1997
  • MEMBER
  • 1995 GMC SONOMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 276,000 MILES
How much pressure is on the feed & return lines that go to the radiator?
Mine are leaking, and need to repair.
Can I use high pressure rubber hose?
Or do I need steel lines?
Do not want to spend a lot of money, because of the high mileage.
Thank You
Basic1997
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Sunday, September 5th, 2010 AT 9:24 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
You will need to use high pressure cooler lines, 5/16", don't use rubber hoses/fuel lines/vacuum hoses etc. They won't hold up. Easily has over 50 psi especially when cold.
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Sunday, September 5th, 2010 AT 5:38 PM

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