Top 20 2008 Cadillac Dts Questions & Answers

Question edited for clarity and add maker. Question moved to model category. Check out the videos https://www.google.com/search?q=2008+Cadillac+DTS.+replace+motor+mounts ..

Need to know what V8 you have. Caddys have many a different firing orders

Usually a bad secondary air solenoid or a bad AIR pump. Secondary air injection pump trouble code Ricks Free Auto Repair Advice

Refer to this. page 5-14 - 5-16 https://my.gm.com/content/dam/gmownercenter/gmna/dynamic/manuals/2008/cadillac/dts/2008_cadillac_dts_owners.pdf

When the key is held in the start position for .4 seconds. The pcm/ecm has a start timer, it will crank until timer is timed out even though you release the key. That is normal. I don't know how long the timer runs? As far as vehicle starting, check the basics. If it cranks good but won't start, have a helper crank it while you check for spark at the spark plugs. If spark everywhere, use a gage and check proper fuel pressure. Also, check fuel injector pulse. Any applicable trouble codes? I can only help with testing.

Your not going to like to hear this , but you'll need to take the dash apart ! Blower Motor Resistor Replacement Preliminary Procedure

1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .

Preliminary Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
3. Remove the evaporator tube from the thermal expansion valve. Refer to Air Conditioning Evaporator Hose Assembly Replacement .
4. Remove the heater hoses from the heater core. Refer to Heater Hoses Replacement .
5. Remove the brake pedal bracket assembly. Refer to Brake Pedal Assembly Replacement .
6. Pull back and reposition the carpet.
7. Remove the lower instrument panel (I/P) support brace. Refer to Instrument Panel Center Support Bracket Replacement .
8. Reposition the auxiliary air distribution duct. Refer to Auxiliary Air Distributor Duct Replacement .
9. Remove the instrument panel carrier. Refer to Instrument Panel Carrier Replacement .
10. Disconnect the HVAC module assembly electrical connectors.

1 HVAC Module Assembly Nut (Qty: 5) Tip Tighten the nuts in sequence. Tighten 9 N?·m (80 lb in) 2 HVAC Assembly Module Disconnect the blower motor resistor electrical connector.

Bulbs are too big. Try bulb #194 in them.

Could be as simple as a bad relay. I would start by replacing it with a known good one of the same type.

My automotive database says you have to remove headlamp assembly to replace bulb. To remove headlamp assembly, you need to remove front bumper fascia. Why in the world should you have to remove front of vehicle just to change a bulb, I don't know? My database is the only info I have to go by. I doubt I can walk you through it, step by step, I can't see anything from here.

probably find that the wires to the sensors has been left disconnected or needs to be reset in the ECM

https://www.youtube.com/watch?v=bTip6qGvDE4 http://www.carproblemzoo.com/cadillac/dts/2008/battery-problems.php http://www.carcomplaints.com/Cadillac/DTS/2006/electrical/electrical_system-battery.shtml http://forums.edmunds.com/discussion/15746/cadillac/dts/cadillac-dts-electrical-issues

ensure your wheel nuts are secure. check your tyres for stones /nails etc If you hear sound when you turn the wheel but the car is stationary I would advise you visit a tyre /steering /brake specialist if you cannot locate the source of the noise.

Could be your front hubs having loose wheel bearings if your traction control is showing a malfunction.

Check for proper refrigerant charge, and verify that the heater blend door is operating correctly. If there is a vacuum leak under the dashboard, the blend door may not be closing all the way.

Anything problems related to air bags should always be performed by the dealer. Maybe there is a service bulletin or recall on this problem.

probably wiring to airbag under steering wheel

Automotive heater problems can have several sources

• poor flow of hot coolant (the source of heat)
• poor air flow - bad blower or air plumbing problems such as blend door position.

The treatment for these varies so if you can, identify the source of the problem. Ths vid may not be DTS but it should give you an idea.

Yes it could be. The way to check this is remove mat and check if the pipe did not dislodge from housing.

The knock sensor is in the valley pan under the intake manifold.

The skill to do this is beyond most home repair persons. Have a trim shop do it.