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Buick LeSabre: General Care & Maintenance

48 messages,  Last post on Sep 21, 2009 at 6:41 PM

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What is this discussion about? Buick LeSabre, Engine, Oil, Sedan

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#41 of 48 Re: Flushing Brake lines [imidazol97] by pcjd388 Feb 19, 2009 (10:16 am)
Replying to: imidazol97 (Feb 19, 2009 7:57 am) well I had the car in the shop for a different reason and the mechanic said the part was leaking. This valve is under the left rear and is apparently leaking, I have looked up pics for this part they called the brake proportioning valve and yet to find one that looks like this part. I just found out that they said this is leaking and when i wipe it and run the car and recheck, it looks to be leaking somewhat, I haven't tightened it yet to see if this shifty mechanic maybe loosened it cause this is the same jerk that said my valve covers were leaking which are not!! and also they said my intake gasket was leaking and it is not!!! so im going to see today when my wife gets home with the car if I can tighten this part up and if I can see if it leaks again once I do that. Do you have a pic of this part for a 1997 buick lasabre limited? Replies to this message: imidazol97 (Feb 19, 2009 3:49 pm) pcjd388 (Feb 19, 2009 3:59 pm) imidazol97 (Feb 19, 2009 5:57 pm)
#42 of 48 Re: Flushing Brake lines [pcjd388] by imidazol97 Feb 19, 2009 (3:49 pm)
Replying to: pcjd388 (Feb 19, 2009 10:16 am) pressure metering valve, all models, 1992-1999, $27 GMpartsdirect.com is what it sounds like.   Sounds like the parts I got on mine when I had to replace the fuel pump and associated lines due to a leak. When I got under the car after having the work done, there were two clean pieces, about 4 inches long, cylindrical, tapered at one end if I recall, and about 2.5 inches diameter. There is one in each brake line. I suspect the place replaced them because they disconnected the brakes lines and new ones padded the repair bill. It may be the old ones rusted and were not reusable.   I won't be going back to the place doing the work. I'll junk the car if I don't have another shop to work on it instead of returning to that shop.   I suspect you would be better off seeing if another good shop can tighten it for you unless you have the right wrenches. I first would diagnose that pushing on the brake causes brake fluid to come out at the connection rather than nearby on the rusted line or through the wall of the valve. I would be afraid of distorting the rusted line or a bad connection unless you have the wrenches for tubing that spread the pressure.   Some H-body cars of that age have developed leaks in brake lines due to rust from salt in Ohio and north. Depends on the car. Replies to this message: pcjd388 (Feb 19, 2009 3:59 pm) imidazol97 (Feb 19, 2009 5:57 pm)
#43 of 48 Re: Flushing Brake lines [imidazol97] by pcjd388 Feb 19, 2009 (3:59 pm)
Replying to: imidazol97 (Feb 19, 2009 3:49 pm) Thankyou for your information. I wont be taking my car back to these jerks and this is a well known business so I might make a complaint with the company for trying to fix things that werent even broke or needed to be fixed...Thankyou for the info Replies to this message: imidazol97 (Feb 19, 2009 5:57 pm)
#44 of 48 Re: Flushing Brake lines [pcjd388] by imidazol97 Feb 19, 2009 (5:57 pm)
Replying to: pcjd388 (Feb 19, 2009 3:59 pm) Valve covers tend to develop seeps on these as they age. Some more than others.   The intakes will leak internally or seep around the edges leaving a trail the color of your antifreeze at the end of the plastic top next to the throttle body. That's where the coolant goes up and through to warm the air intake part--the throttle body. If you are losing coolant in the radiator and reservoir when you check every week or so, then you need to be concerned. There are other places llike water pump and connectors that can develop seeps of coolant also.   The brake things need to be checked. You will be losing brake fluid out of the reservoir on the firewall. That is not good. Also if a line is leaking or a connection is leaking it can get worse if you hit the brakes hard and then you're in trouble. It's a safety issue. So have someone else check it.   The company probably won't care if you make a complain so I'd skip it and just tell others about them--if another shop or you decide they really were trying to get you to replace things that weren't needed. Some shops encourage that especially the chain stores.
#45 of 48 Twilight Sentenel by pcjd388 Jul 26, 2009 (6:34 pm)
I have this stupid twilight sentenel on my 1997 buick lasabre and wondering where is the right spot to set it. It just has Min or Max and anywhere in between, but when we are like in the store parked under a light, the lights wont even come on when we drive into darkness unless we manually turn them on so I was wondering whats the best setting for the twilight sentenel or is the sensor for this going out and how do u know for sure if it is? Also what exactly do I take off to get to the sensor? Any help would be appreciated........ty Replies to this message: imidazol97 (Jul 27, 2009 6:08 am) pcjd388 (Jul 27, 2009 8:18 am)
#46 of 48 Re: Twilight Sentenel [pcjd388] by imidazol97 Jul 27, 2009 (6:08 am)
Replying to: pcjd388 (Jul 26, 2009 6:34 pm) The twilight sentinel doesn't have anything to do with the headlights turning on automatically. It controls the length of time the lights stay on AFTER you turn off the key.   The turning the headlights on when the sensor doesn't get enough light to tell it it's daytime is a different operation. The sensor is buried down in the dash in the grooves for the defroster; if you look down from outside the windshield close to the left radio speaker grill, you'll see the dime-sized sensor for the headlights.   The one interaction the twilight slide switch has with the headlights is that it turns them off if you're in PARK and you slide the switch to the left. As soon as you shift out of PARK the headlights should come back on.   If the headlights aren't turning on automatically, I'd suggest using the regular buttons on the door instead. There is a connector for that sensor under the top of the dash, but I am not sure it's worth trying to get to it. Replies to this message: pcjd388 (Jul 27, 2009 8:18 am)
#47 of 48 Re: Twilight Sentenel [imidazol97] by pcjd388 Jul 27, 2009 (8:18 am)
Replying to: imidazol97 (Jul 27, 2009 6:08 am) How would I correct the headlights not coming on when put in drive at night. They work intermittingly. The headlights will turn off when i go under anything with bright light but wont come back on when the car enters a dark area, so I have to stop and messwith the lights to get them to come back on, rather not use the buttons on side of door so if you can suggest what to try or replace I would appreciate it
#48 of 48 engine soon light on by teeny67 Sep 21, 2009 (6:41 pm)
Had it checked by "auto zone" /" advanced auto"- one of these and he said map sensor.. should i replace it ? what if it the mass air flow? I would be willing to look it upand do it myself..cant afford it bring it to the shop. I have a 2001 buick lesabre.

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