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Sedans Buick LeSabre Buick LeSabre: General Care & Maintenance
48 messages, Last post on Sep 21, 2009 at 6:41 PM
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My son has a '98 LeSabre that just turned 60,000 miles. He was told that something called a "fuel injector flush" is recommended for this vehicle. Is it necessary?
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Replying to: suydam (Aug 02, 2006 7:02 am) If there are no major running problems indicating injectors being uneven, that's the least of the things to check. If it's never had the upper intake manifold, plastic, replaced, he needs to fill the coolant tank carefully when cool to a mark, and then watch when the car is cool to be sure he doesn't start using coolant. The transmission should have had the pan dropped and the filter replaced and then refilled with 6.5, approx., quarts of Dexron III transmission fluid. The rubber gasket on the tranny should be reused-it's special. Don't put on an aftermarket gasket. If he wants to treat the injectors, go buy a bottle of 20 oz fuel system cleaner by Chevron, called Techron. That's the name of their additive in their fuels at their stations. Follow the directions on that bottle. It's available at Meijers, Advance Auto, Walmart. Be sure to get fuel system cleaner if he can. There also is an injector cleaner. He'll notice a difference after a few miles when he puts that in if the injectors needed cleaning. That will be $9-10 compared to $50-$100 at the shop. The smaller size for up to 12 gallons is $7. Have him try the Techron and report back what he thinks. |
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>It's only necessary for the shop owner's yacht payment due on the 15th of the month. That's what I thought. His car is running just fine.
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Replying to: suydam (Aug 02, 2006 10:18 am) I don't worry much about injector cleaning. Like I say, I put in $6 bottle about twice or less a year to keep them clean. It does make a difference in how they run with the Techron. If I bought cheap gas, I'd put it in more often.
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Replying to: imidazol97 (Aug 02, 2006 11:14 am) I was out of it for a while, (sick) but just recently had my mechanic do a tuneup. Told me car had same wires since it was built, so I thought it would help. No such luck! Do you think this fuel injector stuff would be something to use or try at least. I dont know what to do, engine light isnt on, and car drives reallly good. Only thing I notice is when I turn it on is a slight hum, which I believe is the pump, and I guess it stays on I just dont hear after the radio's playing. Thanks so much for any assistance you want to give me right now, cause I dont know what to do, and I dont reaaaaaaaaly want to bring it into the dealer car service in town! Hugs Joyce
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Replying to: luvjoy (Aug 02, 2006 3:22 pm) My question is how do you get your numbers for the town part and highway part? The 1998 did not have a driver info readout. Are you calculating the mileage the right way? Is your driving all short trip? Is your city driving stoplights every block or is it suburban type. Is the highway driving a long, several hundred miles trip, so that you use most of a tank of gas before refilling? Is it interstate or just typical state route highway? Our 1998 seemed to get about 22 in short trip and going to work (stop sign every one mile cross country, 40-45 mph roads) and about 31 on highway at 70 mph on long interstate trips. If the car has very high miles, over 150K, that could have enough wear to lower mileage. The only other thing is oxygen sensor and I would not replace those without knowing it's a real problem and only replace with GM sensor. That's what I've read elsewhere. How many miles are on the car?
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Replying to: imidazol97 (Aug 02, 2006 5:30 pm) Happened to check board this morning and found your reply, for some reason the board didnt notify me anyone answered. Thank you for that! My driving is mainly around town, 2 mile hike into town. not too many red lights in town. Stop to shop here and there. Highway driving is about 100 miles at 70MPH. I have filled the tank and calculated mpg that way, which is usually a mix of some highway, but mostly around town, and it always averages about 14-15mpg. Also calculated long trips on interstates at 70mpg and got about 15-16mpg. But since most driving is just around town, etc. I put in gas as soon as the red light goes on and calculate it from there. That is never more than 11mpg. The car, when I purchased it had about 80K and now has about 90K. Any suggestions maybe that fuel injector cleaner or something? Thanks so much, Hugs Joyce |
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I know this is a question that's been answered, so pardon me for asking it again. I inherited a 2001 LeSabre from my Mom. I recently took it to my "maintenance" mechanic to have the coolant changed (the car is very low mileage, and I wanted to freshen the coolant before I took it on a long trip) and he could not find a drain for the radiator. He seemed to think the bottom hose was too far up the block and the radiator to drain it properly. He said the coolant was nice and pink and smelled fresh, so not to worry, but now I'm curious. Any help out there?
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Replying to: jgwin621 (Apr 24, 2006 1:33 pm) The DexCool should be changed every two years... just like the regular stuff. Many claim you won't have any of the alleged problems that DexCool might have caused in the past from being in too long. It's cheap insurance for me. |
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