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Would this be an acceptable practice on my 4.9L as well?


2006 Cadillac DTS Glacier Gold Tri-Coat with 175,000 miles

1993 Cadillac Sixty Special Gold Mist with 185,000 miles

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By draining the radiator, you will only get about 6 quarts out of the system - that is using the exhaust from a shop vac to blow through the surge tank. There are no block drains on the Northstar so about half the coolant remains in the system.

'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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will the Barrs powder seal a leaking 2000 Deville head gasket

No for the same reason I gave above.... the bolts pull the head moves

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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