Question about Cars & Trucks
My 1989 buick lesabre won't start! After having problems with leaking antifreeze and overheating yesterday it finally stalled out and started pouring oil and antifreeze from the overflow. Someone please help!! Its a great car, i hope it is fixable
Not anymore it isn't a nice car
Sounds like oil & coolant come out
into the coolant recovery bottle
You lost a head gasket or thermostat
I think it's time after 24 years to send it
to car heaven & take the tax write off
Posted on Jul 28, 2013
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Posted on Jan 02, 2017
I have a 1996 Lesabre. I had a similar problem that slowly got worse. I brought it to two different mechanics that did diagnostic checks and could only "suggest" what to replace to fix the problem. Their problem was that it wouldnt stall out while they had the mv. After replacing a bunch of sensors and the fuel pump/ filter, I solved the problem by replacing the Crank Sensor. Its located behind the lower crank pulley on the 3.8 lt motor. Hope this helps!
Posted on Oct 29, 2008
Yes Ma'am, Have a pressure check done on the coolant system and I'll be willing to bet you have a blown lower intake gasket.. Pls let me know..
Posted on Mar 11, 2009
if you can turn the serpentine belt either direction by hand at all you probably need a harmonic balancer..or just look in the passenger wheelwell at the h/balencer and see if the rubber is cracked all the way around.. just fixed one with that issue
Posted on Jun 05, 2009
Buick 3.8's are notorious for intake manifold leaks. If you are sure you are not leaking externally (look under the alternator and on the top of the transmission), it could be an intake manifold leak. I've replaced mine...I didn't think it was too hard a job for an amateur.
It could also be a head gasket, but the intake leaks are much more common.
Posted on Dec 25, 2009
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