How does diesel fuel get in coolant?
The fuel pressure from the injector rail cast into the head (small hole to the left of the arrow) is far greater than the pressure in the cooling system. When a crack occurs, diesel fuel easily passes into the coolant.
Does CAT 3126 have glow plugs?
Yes -and maybe some explanation here, there is the coil light (glow plugs) like the Duramax has and the check engine light which varies in on time based on temp.
What causes coolant to mix with fuel?
Oil and coolant can also end up mixing if your engine overheats and either destroys the gasket or cracks the cylinder head. An accident that cracks the cylinder head or damages the engine block can result in oil and coolant mixing as well.
What happens if I put a little diesel in the coolant on a truck?
This can cause unreliable performance of the temperature gauge, inefficient cooling by the radiator, water pump damage, and possible overheating of the engine.
When did the Caterpillar 3126 diesel engine come out?
Engine 3126 Caterpillar WebPage. The Caterpillar 3126 is a turbocharged 7.2L inline 6-cylinder diesel engine manufactured by Caterpillar and first introduced in 1997; it was the first electronic mid-range diesel engine that Caterpillar produced.
What are the specifications for Caterpillar engine coolant?
NOTE: The Caterpillar EC-1 Specification is an industry standard developed by Caterpillar. The EC-1 specification defines all of the performance requirements that an engine coolant must meet in order to be sold as an extended life coolant for Caterpillar engines.
How to change HD coolant to Caterpillar ELC?
To switch the cooling system from conventional HD coolant/antifreeze to Caterpillar ELC, perform the following steps: 1. Drain the cooling system. 2. Flush the system with clean water to remove any debris. 3. Clean the cooling system with Caterpillar Cooling System Cleaner. Follow the instructions on the label. 4.
When to add SCA to Caterpillar ELC system?
Caterpillar ELC does not require frequent additions of SCA. A “one time only” coolant Extender is the only maintenance addition required. The Extender should be added to the cooling system at 483 000 km (300,000 mi), or one half of the ELC service life. Caterpillar ELC is available Premixed with distilled water in a 50/50concentration.