bobbygotit Posted March 13, 2018 Report Share Posted March 13, 2018 I have already replaced the core plug in the front of the engine, the one behind the timing belt.And now I have to replace one in the rear on the same side.I know it's the reason for water leaking because I found the plug lying there but I cannot locate the hole it came out of.I could really use some help from someone who has dealt with this before and knows the best way to go about replacing it.or even if someone has any pictures of the engine out of the car showing the freeze plugs so I can get an idea of where it is exactly.. Link to comment Share on other sites More sharing options...
Logan Posted March 13, 2018 Report Share Posted March 13, 2018 Go to Google.....go to images.....search 'northstar engine block'. Logan Diagnostic LLC www.airbagcrash.com www.logandieselusa.com www.ledfix.com www.ledfix.com/yukontaillightrepair.html www.ledfix.com/ledreplacements.html www.ledfix.com/j42385toolrental.html Link to comment Share on other sites More sharing options...
barczy01 Posted March 13, 2018 Report Share Posted March 13, 2018 one located on each cylinder head on the waterpump housing side. You have a severe head gasket issue if your blowing freeze plugs. Link to comment Share on other sites More sharing options...
BodybyFisher Posted March 14, 2018 Report Share Posted March 14, 2018 You replaced a plug behind a timing belt? There is no timing belt. Do you mean serpentine belt? Was that the front head? I was under the impression that the plugs were on the rear of the engine so I am really confused as to what "timing belt" you refer to 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 Link to comment Share on other sites More sharing options...
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