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I just purchased a 2009 G6, (with the 2.4 litre engine) and noticed that it doesn't have a block heater installed. I spoke to the dealer and he was sure that I wouldn't need to have one installed as he said they never have had any problems starting them in temperatures as low as -35 celcius. He told me that as a lot of the newer engines are now aluminum, it is not as common to see cars coming out of the factory with them installed. I did some reading up anyway and have decided to install one due to the benefits of saving fuel and time for the car to warm up when it gets really cold. I was just wondering if anyone could point me in the right direction as to where the block heater is installed. I am guessing that there will be a cap somewhere on my engine that I just have to unscrew so that I can screw in the block heater and route the cable to the front. Many thanks!
 

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you can add one anywhere just by by popping out one of your freezeplugs in the block and installing the block heater in it atleast thats the way they do it on the big trucks lol (i work for a freightliner dealership) as for the cars i would assume its the same concept but i could be wrong
 

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no, they ARE in fact screw in plugs........where are you at? if it doesnt normally get below zero then you dont really need on bu for me on the other hand it regualrly gets down to -40f in montana and womin and need one, which i went to put one in the other day and it has got to be the most difficult thing to do at least for a 3.5 or 3.9L engine........ it takes a hex bit (a BIG one) at least for my 3.5, and i had to fid a bolt that would fit it and weld a nut on the other end to try to get my breaker bar in there and i couldnt get it budged.........if i cant fit a small impack gun in there i will have to remove the rear exhaust manifold, catalytic conveter/down pipe and then i MIGHT be able to get to it, on my V6 the wal the block is angled where the plug is at the transmission wrapping around the engine makes it harder to get to as well.....when i asked the dealershif here how much they would charge after i couldnt get it in since i dont have an impact gun yet they wanted $800 to pull the engine to put it in.........

if your in a place where you would need one, i hope yours is a lot easier to get to than mine.......

oh and BTW you cant just add one anywhere either b/c there is only 1 freeze plug on our engines
 

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Pending where you want to put the block heater you can also just get a throw on one that grabs on to any medal but i would take a magnet to find a place to put it. here is a link from google. http://www.google.com/#q=magnetic+block+heaters&hl=en&biw=1280&bih=867&prmd=s&source=univ&tbs=shop:1&tbo=u&ei=2MreTNPxM8aAlAeO9N2oAw&sa=X&oi=product_result_group&ct=image&resnum=1&ved=0CDIQzAMwAA&fp=3210865b4bde03cf
one of those doesnt even seem to work on the 3.5/3.9 that are iron blocks either, because due to the ribbing on the block there isnt really any place to put it where it makes good enough contact to do any good.........ive already tried one of those........
 
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