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Car Forum / GMC Cars / November 200599 LeSabre? Mystery Part.
Changed oil on my aunt's 99 BUick LeSabre today ( 11,265 miles ), Anyway, next to the air filter box in the driver side fender well is a tall plastic black box of some sort. I removed the cover only to reveal a second cover. I removed the second cover and there was a silver steel / aluminum box with one wire harness leading to it that resembles an ECM. Does anybody know what that part is? There is an aftermarket Alarm System on the car. Maybe its part of the alarm system? Harryface 05 Park Avenue, 32,062 91 Bonneville LE 304,421 > Changed oil on my aunt's 99 BUick LeSabre today ( 11,265 miles ), > Anyway, next to the air filter box in the driver side fender well is a [quoted text clipped - 7 lines] > There is an aftermarket Alarm System on the car. Maybe its part of the > alarm system? In my '96 Bonneville with the 3800 Series II, it is the Powertrain Control Module (PCM). 80 Knight, Boy that's a great spot to put the PCM in the front fender. Its the second thing to get crushed when you smash the fender. Plus from the heat warp the outer black cover tabs no longer contact the lower portion of the box with the mating tabs. Harryface 05 Park Avenue, 32,062 91 Bonneville LE 304,421 > 80 Knight, > [quoted text clipped - 3 lines] > Plus from the heat warp the outer black cover tabs no longer contact the > lower portion of the box with the mating tabs. Mine is the same way. As for the box, I noticed it in my car when I first got it and thought (like you did) that it was part of the car's aftermarket alarm system. It took 2 months for me to stumble on a site which told me what it was. Weird, very weird. You gotta wonder who designs these things. > Changed oil on my aunt's 99 BUick LeSabre today ( 11,265 miles ), > Anyway, next to the air filter box in the driver side fender well is a [quoted text clipped - 4 lines] > > Does anybody know what that part is? We have a 98. Have never noticed this, but will go outside and see if I can see what you're talking about. It is in fact the PCM. >I removed the second cover and there was a silver steel >/ aluminum box with one wire harness leading to it that resembles an >ECM. Its the computer. GM started putting them in the engine compartment in the early '90s. I bet the engineer that thought that one up is real proud of himself.  Signature_________________________________________________________________ Dennis Smith -1971 Trans Am - 455 H.O. - M21 4speed - Cameo white/blue stripe- -1973 Trans Am - 455 - TH400 auto - Buccaneer red- -1984 Trans Am - 5.0 L - TH700R4 auto - Royal blue/silver aero- _________________________________________________________________ The Computer board will Warp / Melt causing soldering joints to expand and the board to crack and componant damage. Im surprised by hearing this. I wonder how many years GM did this ??? Brian - Las Vegas >The Computer board will Warp / Melt causing soldering joints to expand >and the board to crack and componant damage. Im surprised by hearing >this. I wonder how many years GM did this ??? They still do. DS So far I don't see no computer under the hood of the Park Ave. Behind the glove box in the Bonneville. Harryface 05 Park Avenue, 32,062 91 Bonneville LE 304,421 |
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