Question My 91 Cadillac Sedan Deville (4.9L)has been converted to the new freon but needs a recharge every spring. The following list contains the current protocol files preloaded with the ALDL Scan App. Cadillac Repair: A/C and ALDL location, electronic leak detector, r 134 freon. On a 1991 Cadillac Deville, the digital display on the instrument cluster panel is out.
91 CADILLAC ALDL ANDROID
: Opti Scan Appĭo you own an 'Optispark Monitor' and need to download the Android App to your device?ĭo you own an 'ALDL Bluetooth Adapter' and need to download the Android App to your device?ĪLDL Scan App now comes with. If you hooked up the timing light and used it to look for the mark, be sure that you have the trigger on # 1 spark plug wire.: Downloads: ALDL Scan App, OptiScan App and. If it has, then the bond between the rubber & hub is broken and the damper needs to be replaced.
91 CADILLAC ALDL SOFTWARE
Laser Aldl Wiring Diagram software acceptance turned far more pronounced as the data cables grow to. shut the engine off and check to see if the mark has moved. Cadillac U2013 U2013 Circuit Wiring Diagrams. Start the engine & let it run for a minute or so.
91 CADILLAC ALDL CODE
To start diagnostic trouble code gathering locate the ALDL (assembly line data link) connector which is located on the driver’s side lower part of the dash on most cases. I would turn the engine by hand until the mark appears. This system is unique to the GM manufactured cars which include: Buick, Cadillac, Chevy, GMC, Oldsmobile and Pontiac. It was kind of spooky, but it indicated that I had a bad damper. Assembly Line Data Link (ALDL) Connector Terminal Identification and Location. It's a BMW killer - which in an older Cadillac is a real. 91-96 Chevy/GMC S10/S15 Disc Similar Problems ABS/Brake Light and no. I too could not find the mark, but while I had the timing light on, I saw the mark come into view, and then it "moved" until it was out of view again. This is the only year that the small Seville had the 4.9 liter HO engine. I have had the outer rim of the vibration damper break loose from the rubber that is between the outer rim and the hub. I recall that the timing mark was a groove cut across the outer diameter of the vibration damper. ALDL(diagnostic lead/connector) which is usually on the right of the steering column, and. I have not worked on a 4.9, but I believe that the 4.5 is similar. How do you manually get trouble codes on a 1991.