How to test a Chevy Duramax block heater?
How to test a Chevy Duramax block heater?
4. If the customer is using the engine coolant heater in ambient temperatures above -18°C (0°F), then replace the original coolant heater cord with the thermostatically controlled engine coolant heater cord, P/N 10369173. When I plugged mine in, you could hear something like crackling and hissing.
How to make your Duramax diesel engine bulletproof?
From rod bolts to main studs to the Custom Age 625+ head studs pictured, ARP is deeply involved in the Duramax and the diesel engine industry as a whole. A set of Custom Age studs are always on order when 100 psi (or more) of boost will be sent through a Duramax engine.
What causes a Duramax injection pump to fail?
As a result (allegedly), the lack of lubrication in the fuel can cause a premature failure of the injection pump, to a point where it won’t allow the LML Duramax to run. You can be driving down the road and everything seems normal, and when the pump fails, the truck just shuts off.
What happens when a Duramax engine goes down?
Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet. The failure is most common in higher horsepower engines, but can still occur in moderately modified and even stock power plants.
What are the most common 6.6L LB7 Duramax problems?
What Are The Most Common 6.6L LB7 Duramax Problems? The LB7 Duramax engine made its debut on Chevrolet and GMC HD trucks in 2001. These diesel engines are where the Duramax started, and they have been so successful that the Duramax are still used in GM HD trucks today.
Are there any problems with the Duramax engine?
The failure is most common in higher horsepower engines, but can still occur in moderately modified and even stock power plants. Not specific to one version of Duramax in particular (ex: LB7, LLY, LBZ, LMM or LML), the problem exists across all generations.
How to test the GMC Duramax block heater?
I tested my new block heater (still in the box) and I get 14.8 ohms between the flats and around 7 ohms between ground and hot and ground and Neutral. does this sound correct? What are you measuring with your meter?
What to do if you have bad Duramax injectors?
Here are common issues experienced when you have bad injectors. Fuel in Oil. Check Dipstick look for a surplus of oil or even smell the dipstick. When fuel is present, you can often smell it. Unfortunately, there is no good way to fix the factory LB7 Duramax injectors other than replacement.
How is the Duramax similar to the small block?
The 90-degree design, compact overall size, and lighter curb weight of the Duramax are also reminiscent of the uber-successful small-block. Another similar aspect the Duramax shares with the iconic small-block is the amount of interchangeable parts that exist between all model years (especially the ’01-’10 mills).
How to check fuel return rate in GMC Duramax?
Remove the banjo bolt (4) from the junction block (2). Crank the engine for 15 seconds while observing the fuel pressure relief valve on the junction block for fuel leakage. • If fuel is leaking from the fuel pressure relief valve, replace the fuel pressure relief valve.
Are there any issues with the Duramax check engine lights?
Glow Plug System Issues – Nearly half of the check engine lights that come in for the Duramax pickups are for glow plugs. The glow plugs burn out over time and can be a real nuisance to remove from the aluminum heads sometimes.
Are there any issues with the Duramax pickup?
This can produce long cranks and hard starts. Glow Plug System Issues – Nearly half of the check engine lights that come in for the Duramax pickups are for glow plugs. The glow plugs burn out over time and can be a real nuisance to remove from the aluminum heads sometimes.
When to plug in engine coolant in Duramax?
The diesel supplement to the Owner’s Manual advises that the engine coolant heater may be used below -1 8°C (0°F) to assist with cold starts. However, a customer may wish to plug in the heater when the overnight temperatures are unknown. A thermostatically controlled engine coolant heater cord is available for the prevention of false DTCs.
