Where is the glow plug on a Duramax truck?
After scanning and diagnosing the concern, I found the #8 glow plug had come to the end of it’s useful life. The #8 glow plug is on the driver side of the truck and it is cantered towards the bulkhead (firewall). If you are familiar with these trucks, you will recall the engine is tucked neatly under the cowl.
What is the code for a bad glow plug on a Chevy?
Last month it showed a continuous check engine light with the underlying code PO677 (a failed glow plug on the number 7 cylinder). The local Chevy dealership found that the bad glow plug was also seized into the aluminum head.
What should the temperature be without glow plugs?
The LB7 should start down to about 30 degrees without glow plugs with just a little extra cranking and some white smoke on startup. Much below that and they won’t fire off without glow plugs.
What to do with a bad glow plug?
Per the dealership, three Chevy techs with a combined 75 yrears of experience used all their knowledge and techniques, including heat and extended soaking with penetrating oils, to free the stuck bad glow plug, yet (as they warned was possible) it still broke off.
Are there any good glow plugs for Duramax?
Yes, it definitely does. Nowadays there are a lot of low quality cheap glow plugs or what can be worse fake copies of famous brands glow plugs. It does matter what quality glow plug you install since it can heavily damage your engine. Cheap aftermarket glow plugs can swell and make the removal impossible.
Are there glow plugs that do not light the test light?
Any glow plugs that do not light the test light is bad. There is one more way to test your plugs –use an ohmmeter – Again, disconnect all wires from each glow plug to prevent parallel paths. The measure resistance between ground the terminal of each glow plug. Any glow plug that indicates infinity or more than a few ohms is bad.
Are there glow plugs that last a long time?
The good thing about glow plugs is that they are incredibly long lasting. What’s more, they are the most cost-effective car parts to replace. These glow plugs will do a good service for you and your car. They are designed to provide diesel engines with the heat which they need for cold starts.
Can a cheap glow plug damage my engine?
It does matter what quality glow plug you install since it can heavily damage your engine. Cheap aftermarket glow plugs can swell and make the removal impossible. Moreover, the tip can swell and break off in the cylinder.