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I just had the LIM replaced today at a local shop (1998 Buick Century, 89,000 miles). They also replaced the plugs and put on new Belden Premium ignition wires. They then did an oil change. Drove the car home, seemed fine. Went outside after 10 minutes, started it up, and it was around 75% of the temperature gauge instead of the 50% it normally sits at, and it was misfiring until I gave it gas. Temp then went down within 30-45 seconds.
Drove back to the shop, but halfway stopped at a convenience store. Turned off the car, turned the ignition to accessory and watch it inch up to 80-85%. Started car up and the temperature did work it's way down to normal within 30-45 seconds. Stopped at the mechanics and he said he didn't think the coolant needed to be flushed (Looks dark in the overflow though), as the temperature stays fine while driving. Said that the thermostat tested fine for them, and the misfiring was from the engine learning idle. He walked back inside as he was closing up, and the engine stalled.
Drove on the highway 20 miles. Stopped at a grocery store, went inside for 20 minutes. Came out, and car was around 85% on the temperature guage, but did drop down with 30-45 seconds of driving. Did some more errands and car never misfired or stalled again, but the heat soak while off seems strange as this didn't happen before. Never had any problems till 2 weeks ago when I found about the LIM at the same time that my car went apeshit while driving. Misfirings, abs going off instantly when pressing down on the brake, radio going haywire. Was all fine when I replaced the ancient battery (Everyone at the parts shop seemed to think that the battery was original from 199
, but did notice a small coolant leak when I checked the LIM so that's why I had it repaired today, and he did use the MS980004t Felpro's.
Sorry if that makes no sense, just tried to give as much information as possible. I've been reading this forum for the last two weeks learning all about the LIM problem and the do's/don'ts on repair. If anyone has any insight I'd appreciate it. Thanks.
Drove back to the shop, but halfway stopped at a convenience store. Turned off the car, turned the ignition to accessory and watch it inch up to 80-85%. Started car up and the temperature did work it's way down to normal within 30-45 seconds. Stopped at the mechanics and he said he didn't think the coolant needed to be flushed (Looks dark in the overflow though), as the temperature stays fine while driving. Said that the thermostat tested fine for them, and the misfiring was from the engine learning idle. He walked back inside as he was closing up, and the engine stalled.
Drove on the highway 20 miles. Stopped at a grocery store, went inside for 20 minutes. Came out, and car was around 85% on the temperature guage, but did drop down with 30-45 seconds of driving. Did some more errands and car never misfired or stalled again, but the heat soak while off seems strange as this didn't happen before. Never had any problems till 2 weeks ago when I found about the LIM at the same time that my car went apeshit while driving. Misfirings, abs going off instantly when pressing down on the brake, radio going haywire. Was all fine when I replaced the ancient battery (Everyone at the parts shop seemed to think that the battery was original from 199
, but did notice a small coolant leak when I checked the LIM so that's why I had it repaired today, and he did use the MS980004t Felpro's.Sorry if that makes no sense, just tried to give as much information as possible. I've been reading this forum for the last two weeks learning all about the LIM problem and the do's/don'ts on repair. If anyone has any insight I'd appreciate it. Thanks.
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