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Car Forum / Driving, Maintenance, Tuning / General Car Topics / May 2005starting Buick V6 when hot
This question is in regards to a 1990 Buick Park Avenue V6 engine that started fine when cold, and you can drive it as far and as long as you want, and runs very good and lots of power, until you turn it off and it will not start under any condition, including takeing the intake tube off and spraying starting fluid it the intake, and turn it over and there is no sign of starting. The Buick has 196000 miles. I would appreciated any tips, and thanks for taking time to read this quote. This question is in regards to a 1990 Buick Park Avenue V6 engine that started fine when cold, and you can drive it as far and as long as you want, and runs very good and lots of power, until you turn it off and it will not start under any condition, including takeing the intake tube off and spraying starting fluid it the intake, and turn it over and there is no sign of starting. The Buick has 196000 miles. I would appreciated any tips, and thanks for taking time to read this quote. How does the starter sound when hot? I have seen old starters take too many amps when hot not leaving enough left over for the ignition to fire up. Maybe try it with a boost for the extra power? Some electronics also fail when hot. I would be wondering about the starter bypass circuit for the ignition. This would be the one that comes off the starter solenoid and powers the coil and ignition when the starter is turning. If it has a second set of electronic parts anywhere in there I would be checking them. You can get cold spray from electronic shops for cooling off hot parts fast to see if that is an issue. Maybe spraying things like the coil or ignition module with that might help isolate things. Just some ideas.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's > This question is in regards to a 1990 Buick Park Avenue V6 engine that > started fine when cold, and you can drive it as far and as long as you [quoted text clipped - 9 lines] > Topic URL: http://www.autoforumz.com/General-Discussion-starting-Buick-V6-hot-ftopict119934.html > Visit Topic URL to contact author (reg. req'd). Report abuse: http://www.autoforumz.com/eform.php?p=582633 >This question is in regards to a 1990 Buick Park Avenue V6 engine that >started fine when cold, and you can drive it as far and as long as you [quoted text clipped - 3 lines] >and there is no sign of starting. The Buick has 196000 miles. I would >appreciated any tips, and thanks for taking time to read this quote. -============ At least problem is similar to one I encounter with most of my Old Chevies ... Heat Soaked starters... ! When the engine is hot and will not start...usually turning the key will get you nothing...not a sound... try pouring a few glassfuls of water directly on the starter..or use a garden hose...if that works then you do have a definite heat soaked starter.. Replacing the spring inside the solenoid with the light weight AcDelco replacement spring (part number (AcDelco..1958679) is my standard "cure"...cost about 5 bucks is easy to replace...and it has always solved my Heat soaked starter problems ... Bob Griffiths 68 SS 396 Chevelle..... yep the spring is in it 64 Corvette Ragtop..... no heat soak problems 72 Corvette Ragtop.....yep it has the spring 76 Corvette Coupe .... yep it has the spring 79 Corvette Coupe .. Yep it has the spring 95 Corvette Coupe ..... no heat soak problems Super common problem...Don't think I've had a GM car that didn't do that eventually...It always rears it's head at the worst times too... I've used all kinds of tricks from tapping with tire irons, sticks, etc, to cooling them off. The problem usually is the solenoid... Usually, when I get those, the starter is about half shot anyway, so I usually just change both the starter and the solenoid, and not have to worry about it for a long time...Usually a faster starter too...Don't forget the shims....Not shimming a GM starter will lead to the awful shearing gear/flywheel noise, and will eat the teeth up on the flywheel...You think a flaky solenoid is a PIA.. You don't wanna visit bad flywheel land....:( MK |
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