Help with replacing Engine in 2007 Outlook - Saturn Outlook Online Community
 
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post #1 of 4 (permalink) Old 06-10-2016, 08:21 AM Thread Starter
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Help with replacing Engine in 2007 Outlook

I am new to the forum and hope I can find some answers. I have search the internet and cannot find a clear answer to my question. I have a 2007 Outlook with a bad engine. Likely the timing chain has allowed the engine to jump timing but I have not got deep enough into the engine to find out for sure. Has an upper end rattling sound and runs pretty rough. Sounds like valves are hitting at least one piston. So likely not worth repairing the engine. A dealer has indicated a bent rod. Not sure how they know that without taking engine apart but regardless it is bad. Replacement engines cost is ridiculous for these. Typically double the cost of the same LY7 3.6L engine used in a variety of other GM vehicles of the same year. I have seen a few topics discussing using a Cadillac CTS engine as replacement but never found a concrete answer. Does anyone know if a 2007-08 LY7 3.6L engine from another vehicle will fit in the Outlook? I have my engine out of the car now deciding on the next step. I know the intake and exhaust manifold is different. I know all of the bolt on accessories, mounts and other various covers are likely different and unique to the Outlook, however is the long block of the engine the same? This is supposedly a GM global engine and fits in many cars. I cant image them having a unique block just for the Lambdas but that could be completely off base. I don't want to spend $2500 to $3500 for an Outlook engine when I can get a low mileage engine for $1500 or less from a Malibu for example.
I purchased the vehicle with the engine bad. According to the GM dealer where the car was serviced its whole life, the engine supposedly had the timing chain replaced in 2015 but it still could be related to the timing chain unless there is another issue that I am not aware. I have looked for a broken valve spring but so far the top end of the engine looks intact and clean. I am very familiar with the Outlook as I have owned these in the past and have another 2007 already. I know of all the issues they have had but for the most part if these issues are taken care of they are pretty good vehicles. The comfortable and quite ride is hard to beat.

any help would be greatly appreciated.

thanks
tking1241
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post #2 of 4 (permalink) Old 07-30-2016, 07:40 AM
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Re: Help with replacing Engine in 2007 Outlook

How about finding one at car-part.com? Should have same model, even same year if you want.

Good Luck.

2008 Outlook XE FWD, Dual Air/Premium Stereo w/ Polk & Pioneer Speakers, Roof Rails, Aftermarket Hitch/Wiring, Midnight/Tan, 230K miles 85% Highway.
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post #3 of 4 (permalink) Old 08-16-2016, 04:39 PM Thread Starter
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Re: Help with replacing Engine in 2007 Outlook

thank you for the website. I have not seen this one but could be an option. Possibly find one locally to save shipping cost at least. I guess with the Lambda's it is supply and demand. Their cost is so much more than other LY7s. I was just hoping someone may have read or heard something that I could investigate.

thanks again.

Tim
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post #4 of 4 (permalink) Old 09-01-2016, 03:47 PM
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Re: Help with replacing Engine in 2007 Outlook

I'm pretty sure that it will have to be an LY7 out of an Acadia or another Outlook for it to work. The design of the oil pan will probably be different if you were to get it out of another vehicle because the oil pan has an arch in it on the lambdas so that the exhaust from the front 3 cylinders can go through. I'm not sure if the transmission will bolt up either.

Car-Part is good for searching local junkyards as well, so hopefully you will be able to fine one. After you replace it, the ECM and TCM will need to be reprogrammed, and then that should really be it.

2010 Outlook XE AWD<br />Almost 200k Miles, Original Engine and Transmission, It just keeps going...<br />MagnaFlow + Resonator Delete<br />5000k HID's<br />All Exterior LED Lights<br />CLICK HERE TO HEAR MY EXHAUST<br /><br />
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