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1990 Chevy Caprice Thermostat replacement

Tiny
TINTIN'MAGICIAN
  • MEMBER
  • 1990 CHEVROLET CAPRICE
Engine Cooling problem
1990 Chevy Caprice V8 Two Wheel Drive Automatic

Hi, how do you replace the thermostat on a 90 caprice classic brougham? What tools are needed?
Thursday, October 8th, 2009 AT 12:58 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
REMOVAL & INSTALLATION:

Drain the cooling system to below the thermostat level.
Disconnect the upper radiator hose from the thermostat housing. Loosen the clamp on the coolant by-pass hose, on the 5.0L (VIN Y) engine only.
Remove the two retaining bolts or studs from the thermostat housing and remove the thermostat.
Use a new gasket when replacing the thermostat.
Fill and bleed the cooling system.
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Friday, October 9th, 2009 AT 1:59 PM

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