Top 20 2002 Cadillac Deville - Page 2 Questions & Answers

There isn't one ! Filling Procedure Notice: Do not add cold water to the cooling system with the engine at or above operating temperature. Adding cold water causes rapid cooling, resulting in possible engine damage. NOTICE: When adding coolant, it is important that you use GM Goodwrench DEX-COOL® or HAVOLINE® DEX-COOL® coolant. If Coolant other than DEX-COOL® or HAVOLINE® DEX-COOL® is added to the system the engine coolant will require change sooner; at 50 000 km (30,000 mi) or 24 months. Notice: Do not use a solution stronger than 70 percent antifreeze. Pure antifreeze can freeze at -22°C (-8°F). Important: This engine is not equipped with block drains, 2.5 L (2 qt) of residual coolant remains in the engine block. Refill the cooling system. In order to ensure sufficient engine cooling, freezing and corrosion protection, maintain the protection level at -37°C (-34°F) or lower. Start the engine. Place the heater and A/C control in any A/C mode except Max and the temperature in the highest setting. Allow the engine to continue idling until the lower radiator to water pump hose is hot. Turn OFF the engine. Allow the engine to cool to outside temperature. Ensure the coolant level in the surge tank is at the proper level (1).

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The drain valve is at the bottom of the radiator (as usual) - have fun getting to it!

Remove the cap from the surge tank. Set the heater control temp to max (A/C in any mode EXCEPT max). Start the engine and idle until lower radiator to pump hose is hot. Allow the engine to cool to ambient, and then check/fill the surge tank and replace cap.

Power Door Lock Operation The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door, but the rear integration module (RIM), which is the master control for the door lock system, determines when the lock functions are permitted. The RIM receives and examines the requested lock function from the individual door modules, or from the remote function actuator (RFA) via the class 2 serial data circuit. The RIM also examines the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. If the RIM determines that a lock or unlock function is permitted, it sends a class 2 message back to the individual door modules commanding them to perform that Lock or Unlock function. Power Door Lock Components The power door lock system consists of the following components: ?€¢ Driver door lock switch

?€¢ Passenger front door lock switch

?€¢ LH rear door lock switch

?€¢ RH rear door lock switch

?€¢ LH middle door lock switch (w/ V4U)

?€¢ RH middle door lock switch (w/ V4U)

?€¢ Driver door switch assembly (DDSA)

?€¢ Driver door module (DDM)

?€¢ Passenger front door module (PDM)

?€¢ LH rear door module (LRDM)

?€¢ RH rear door module (RRDM)

?€¢ Left middle door module (LMDM) (w/ V4U)

?€¢ Right middle door module (RMDM) (w/ V4U)

?€¢ Driver door lock actuator

?€¢ Passenger front door lock actuator

?€¢ LH rear door lock actuator

?€¢ RH rear door lock actuator

?€¢ LH middle door lock actuator (w/V4U)

?€¢ RH middle door lock actuator (w/ V4U)

?€¢ Driver door cylinder unlock switch

?€¢ Rear integration module (RIM)

?€¢ DRVMDL fuse (10-amp)

?€¢ PASS MDL fuse (10-amp)

?€¢ RRDR MDL fuse (10-amp)

?€¢ Class 2 serial data link

Did you move anything to remove sensor?Check connection if you plug right.

A verity of thing's could cause shifting problems , besides TPS ! You best bet would be to have it hooked up to a scan tool that can read sensor data parameters . All engine an transmission sensors work off vehicle voltage or a steady reference voltage from the PCM /TCM . Usually 5 volts ! but can be 8 volts on some vehicles . A veteran tech can tell if a parameter is out of limits one way or another . Guessing never works out !

I would start by having your battery and alternator checked. You can have that done for free here. In Store Services In Our Stores AutoZone com They can also charge your battery if needed. They can replace your battery for you if that is the problem. You may need a mechanic's services if the alternator is bad. They can recommend a reputable shop if needed.

The key won't turn in the ignition switch? Or when the key is turned nothing happens?

Are there any hvac trouble codes ? Did you check voltage and ground for front blower motor, with controls turned on? I believe the purple wire is voltage and black wire is ground. If good voltage and ground with no blower action, suspect the blower motor. With auto hvac didn't see relay, saw blower motor control processor, at control processor, did you check voltage and ground? As far as replacing the blower motor control processor, that appears to be a very involved procedure. I can't lead you step by step to remove and replace. Auto.com Has free repair info, you have to register your vehicle, it is free. Then click on vehicle repair guides, take a look. If you want wiring diagram, let us know?

Chris, they had a few problems with Escalade nav,/radio usually expensive fix and sometimes doesn't last, a lot of people end up going aftermarket.

What kind of noise what sound like? I would like to help you

Sounds like a faulty regulator rectifier on the alternator borrow a compatible alternator to test the charging system It usually is cheaper to replace the whole alternator than have them repaired

Do you have to pass emissions where you live ? Check engine light will stay on !

Have the codes checked ! Do you know what codes are ,What the light is for ? The light is to warn the driver that there is a problem in the ABS system . Have the codes checked before replacing parts ,the code will point you in the direction to go .This system can set numerous DTC'S DTC C1211 DTC C1214 DTC C1217 DTC C1218 DTC C1221-C1235 DTC C1236 DTC C1237 DTC C1238 DTC C1242 or C1243 DTC C1248 DTC C1251 (w/F45) DTC C1254 DTC C1255 or C1256 DTC C1261-C1274 DTC C1276, P1644, or P1689 DTC C1277 or P1571 DTC C1278 DTC C1281, C1283, or C1286 DTC C1282 DTC C1284 or C1285 DTC C1287 or C1288 DTC C1291 or C1293 DTC C1294 DTC C1295 Maybe your best bet would be to take your vehicle to a ASE certified repair shop or the dealer

Try giving the vehicle a boost. Were the interior lights/ignition on during radio replacement? The battery may have run down. Even though a new battery, with accessories left on, it will drain causing the low voltage display

Bulb has 2 filaments one for normal beam and one for high beam also they are 2 separate circuits so best to check both bulbs and the voltage on the high beam circuit

If the battery is fully charged and in good shape, and the battery terminals are in good shape and the conections to the frame and body are good, it's time to check the starter .

Go to youtube an check out some basic automotive electrical trouble shooting videos an voltage drop testing , then go to www.bbbind.com/ for free wiring diagrams , an buy yourself a DVOM - digital volt ohm meter an test the circuit . Oh , while on youtube check out videos on how to read a wiring diagram . Also videos on how to test power & grounds ! If you have no clue as to what I'm talking about , you need to take your vehicle to a ASE certified repair shop or the Cadillac dealer !

The lens either has a screw holding it on or the pop out.