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Hello folks,

I have a 95 Deville 4.9L that has sprung a nasty coolant leak. It pours out from beneath the engine near the crankshaft. The radiator will empty out in about 2 minutes. Any thoughts on what could break in that area? I had recently bypassed the A/C compressor with a shorter belt... maybe caused increased pressure and ruptured a hose or pipe? Thanks for any input!

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first thought would be water pump. Second would be the pipe from the water pump. with a massive leak it shouldnt be too hard to find

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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On the 4.9 there are a few coolant pipes associated with the water pump and they rust. Do a search here, we have posted photos of the 4.9 cooling system. If you dont find photos, maybe we can find the photos again and post them

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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