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2007 Buick Lucerne CXS v8 leaking oil bad

Old Jul 12, 2025 | 11:16 AM
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Default 2007 Buick Lucerne CXS v8 leaking oil bad

Hi guys
my 07 CXS V8 is really leaking under drivers side. Its been sitting for about 4 years and im trying to get it back on the road.
I just moved it today and after about 10 minutes oil is leaking bad. Im not real familiar with this type of v8 engine configuration so im not really sure what is on the drivers side that would be leaking like this.
Additionally the power steering is leaking somewhere. It went through a quart in 10 minutes. Any input is appreciated.
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Old Jul 12, 2025 | 01:37 PM
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I'd be looking for the leaks. Oil pressure switch?
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Old Jul 12, 2025 | 08:01 PM
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I think its a power steering line. It looks like they run to the rack on the driver side. I just need to figure out which one. It looks like you have to get a jack under the engine and lower the subframe to get to them. Ugh... I just took this off the Jack stands. Now I have to figure out how to get them back up. I think I may have done the damage to the lines when I lifted the front to do the brake lines.

Anyone know a good jacking point to lift the front so I can put jack stands under the jacking points under the front. I cant jack where the jacking point is then put a stand there as well... obviously.
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Old Jul 13, 2025 | 01:22 AM
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If it were me, I'd:

- Park the car on a firm hard level surface of adequate material to support a car on stands.
- Block both rear tires on the front and back with adequate materials, such as standard 24 blocks of wood, that are long enough to be able to stick out past both sidewalls of the tires at least an inch.
- Use a quality 3-ton floor jack that is in good repair and has a saddle at least 4" diameter
- Limit myself to jacking each side no more than 2" above the opposite side.
- Jack under a sub-frame bolt that is behind a front wheel while using a chunk of 2x6 wood between the jack and car,
- Place a sturdy and adequate jack stand under the owner'* manual specified jacking point, found on Page 411 of your owner'* manual.
- Slowly lower the vehicle onto the jack stand.
- Repeat on both sides as needed.

Page 411 of your owner'* manual:



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