What is part number for GM glow plug controller?
Note: There’s a new GM part number for the glow plug controller for pre-2000 trucks. The new GM/AC Delco part number is 12496472. Many GM dealers do not show it as a “glow plug controller”, but as a switch or relay. Well, I tested out my glow plug controller, and the voltage at the glow plugs themselves is 9.8 when the controller is active.
What are the symptoms of a bad diesel glow plug?
Here are four of the most common symptoms of a bad diesel glow plug. Bad diesel glow plugs will make your car engine difficult to start up.
Why are my Glow plugs not working properly?
The Ford/International 6.9L diesel is famous for this – it is advisable to consider replacement of the controller on this engine when replacing glow plugs. Another common cause of glow plug problems is the use of high-amperage battery chargers to “boost” start an engine.
When to replace glow plugs in your engine?
All the glow plugs in your engine should have similar readings. One glow plug with a higher resistance can affect your engine’s performance–even if the plug is still good. Replace the glow plugs. If one or more of the glow plugs is faulty, replace all of them. Never replace a single plug.
Where is the bad glow plug on a Chevy?
The local Chevy dealership found that the bad glow plug was also seized into the aluminum head. I had them check the other seven plugs (one per cylinder) and the same plug on the opposite side (number 8 cylinder) was also seized in place.
What happens when the glow plugs go bad?
If the glow plugs malfunction they will not provide the additional heat that aids in diesel combustion, which may cause the engine to experience misfires. The misfires may cause a loss in power, acceleration, and even fuel efficiency. 2. Hard starting Another symptom of an issue with the vehicle’s glow plugs is hard starting.
Are there any problems with a Duramax glow plug?
It had 65K miles, never had any problems, all fluids are synthetic Mobile One , with oil changes at 5K and fuel filters at 10K miles. Not a rusted out, abused, neglected work truck in any fashion, and although exposed to Mid-Western salted winter roads, it was kept clean and never used to plow snow or have other exposures to excessive salt.
How do you test a glow plug in an engine?
Testing Glow Plugs in the Engine Grab a multimeter. Set your multimeter to ohms. Find resistance value of your multimeter. Test the voltage of the battery. Locate the glow plugs. Remove the caps or connectors to the glow plugs. Clip the multimeter’s negative lead to a ground point in the engine.