1993 Buick LeSabre "3800 vacuum leak sound" Questions

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...3800 run for about 10 seconds and die ,a blowing noise coming out of the motor sounds like you have a severe vacuum leak, causing a lean condition. The car runs for a short period because of the rich ...

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...3800. Eng cranks but will not start. I spray ether into air cleaner & eng will start, run & only continue running while spraying ether into air cleaner. By keeping engine running 2 to 3 mins it will ...

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Question about Buick LeSabre

1 Answer

...Sounds like you may have a bad vacuum leak. On the 3800, this is commonly caused by a bad upper intake plenum. Check for vacuum leaks elsewhere first though. (i.e. brake booster, hoses,

Question about Buick LeSabre

2 Answers

...3800 its timkin part# 100ccab or it can be the power steering pump(but the pitch will change as your steering if it is that) water pump, idler and tensioner pulleys(if you have to change either one, ...

...also could have a VACUUM LEAK The Gen II 3800 Engines have a HORRIBLE ISSUE with the INTAKE. They are made from Plastic and Warp. Waiting for the Engine to Get Hydro Locked (Coolant in the

Question about Buick LeSabre

1 Answer

...3800 engine will stop running while driving or at a stop. Seems to run rough and stop but will restart after setting for a short time. Exhaust seems to be louder than normal. Moving the connector on ...

...3800 rpm then sputters and will not go much higher... otherwise runs great... could this be a vacuum leak somewhere? Love to hear your thoughts. Thanks... Perry. Sounds to me like it could be a Mass ...

...3800 Thank You The age of your vehicle guarantee's a vacuum leak. It may sound silly but the truth is rubber grommets and hose's shrink and dry out over time and the harsh environment under ...

...vacuum leak. Under the plastic cover marked 3800 series 2 there are a few thin plastic tubes going into rubber boots that have been known to slit or crack allowing too much air into the system. Start ...

...3800 engine; heat pn drivers side, cold air on passenger side. New thermostat and flushed out heater core. Worked well for one day and then the hot/cold problem (when I first start the car, the ...

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