Top 20 2004 Pontiac Grand Prix Questions & Answers


Coolant Valve? Don't believe there is one.

2004 Pontiac... | 34 views | 0 helpful votes


Did try to back up a little? Put some WD40 in the ignition.

2004 Pontiac... | 40 views | 0 helpful votes


You can locate and fix the problem with the help of service and repair manual with diagram on your own and you will get the manual from the given link https://toolsnyou.com

2004 Pontiac... | 34 views | 0 helpful votes


The best solution you'll get from books at www.reliable-store.com

These are books containing info on repair, service, troubleshooting, parts info, assembling dissemble, removal, error/fault codes, wiring diagrams and everything on any vehicles cars, atv, trucks. forklifts, boats, excavators etc

2004 Pontiac... | 66 views | 0 helpful votes


This vehicle is a chevy trail blazer , doesn't matter yours is in the same place an the samething .
Chevy Trailblazer EXT Blower Motor Won Turn Off

2004 Pontiac... | 236 views | 0 helpful votes


Yes , having the vehicle checked for DTC'S - diagnostic trouble code's should always be the first step in diagnostic process when any warning lamps are lit on the instrument cluster . Would be best to have someone with a professional type scanner , that can view engine sensor data . The engine coolant temp. sensor is a input to the PCM - engine computer . Can see what the actual temp. of the engine is . GM had bad stepper motors inside the instrument cluster's 2003 to 2006 , these stepper motors control the gauge needles . Testing what the real temp is an not going by temp gauge . harbor freight tools sells a tool under $30 bucks that can check engine temp . Infrared Laser Thermometer .. Point it at the thermostat housing . Can use it to tell what temp. the thermostat open . But , testing is the key ! Not guessing .

2004 Pontiac... | 226 views | 0 helpful votes


I think you should go for manual first after that it will be easy for u to solve your problem. I had visited this site past 2 months before for my vehicle and find it quite helpful may be you will also get something useful here
Best Manuals

2004 Pontiac... | 224 views | 0 helpful votes


leaking hose or fitting possibly?? youll have to do a visual inspection to be sure.

2004 Pontiac... | 74 views | 0 helpful votes


Which fuse ? Just to make sure you looked at the right one .
DISPLAYS fuse 10amp located in the I/P fuse block .
Do you know what DTC'S - diagnostic trouble codes are ?
DTC B3619
The HUD detects that the HUD change page switch signal circuit is low for greater than 15 seconds.
DTC B3634
The HUD detects that the HUD dimming signal circuit is low for greater than 15 seconds

Diagnostic System Check - Head Up Display
Install a scan tool.
Does the scan tool power up?
Go to Step 2
Go to Scan Tool Does Not Power Up in Data Link Communications
2
Turn ON the ignition, with the engine OFF.
Attempt to establish communication with the following control modules:
• Head Up Display (HUD)
• Instrument panel cluster (IPC)
• Powertrain control module (PCM)
• Driver information center (DIC)
• Radio
Does the scan tool communicate with the control modules listed above?
Your best bet , take it to a qualified GM service center .

2004 Pontiac... | 696 views | 0 helpful votes


You should bring the vehicle into a repair shop that does tranny FLUSHES not fluid drop only. A complete flush will change the fluid in the pan, lines and the torque converter. SOunds like you have water in the transmission and the longer you drive it that way the worse it will become.

2004 Pontiac... | 79 views | 0 helpful votes


Not electrical. Your tranny does need professional help. I do not think that 2004 cars had electronic transmissions and solenoids for shifting.

2004 Pontiac... | 66 views | 0 helpful votes


gas caps are either vented, or non vented. it sounds like you needed one type but bought the other...... Just a possibility

2004 Pontiac... | 56 views | 0 helpful votes


Where are you coming up with this MI code from ?

2004 Pontiac... | 50 views | 0 helpful votes


What fluid were you told not to change? The automatic trans?

2004 Pontiac... | 55 views | 0 helpful votes


it could be a faulty brake switch, even the brake switch flicking would activate the abs/TC as computer would think its erratic driving.

2004 Pontiac... | 455 views | 0 helpful votes


Did you burp the air out of the cooling system?

2004 Pontiac... | 127 views | 0 helpful votes


Possible have a caliber not retracting all the way and the brake shoe is slightly scrubbing the rotor. Don't overlook the possibility of wheel bearings or CV joints.

2004 Pontiac... | 91 views | 1 helpful votes

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