Thread: 2006 STS V8 - Block Heater Help
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Old 01-08-09, 08:36 PM
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Cadillac(s): 2006 STS4 V8 1SG & 2007 STS V8 1SE
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Re: 2006 STS V8 - Block Heater Help
I'd not mess with a Block Heater that installs through a 'freeze plug'. An aftermarket coolant heater will do the job and preserve the N* block.

Charlie Smith
Cedarburg WI
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