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—add motorway work and you've got double trouble.
Page 88
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If you have motorway breakdowns, it may not be the fault of the motorway.
In fact, continuous long-distance hauling doesn't present an engine with the severe problems of stop-start, day-to-day delivery working.
Because continually switched on, switched off engines don't have a chance to reach the designed operating temperature, the water which is always present as a by-product of combustion cannot escape naturally as vapour through the breather.
Result: sludge build-up. And that's not all. During the winter months, there may be seepage of anti-freeze coolantintothe sump.The glycol constituent in the coolant forms sticky oil-insoluble substances that add further to outlet blockages.
Now, out goes that door-to-door vehicle on a long-distance run.
Here, at highway speeds, the engine may well reach temperatures above the norm and before you know it, you've got ringsticking—and breakdown.
Castrol have been working on the answer. In their DEUSOL Heavy Duty Oils they have included vital dispersant and detergent additives that break up sludge long before it has a chance to form a big nuisance. New DEUSOL prevents the coagulation of those sticky substances, holds things in suspension so thatthe essential lubricants can keep circulating—until you're ready to give that vehicle a fresh oil change.
Operators around the country are already getting the benefits of New DEUSOL.
Ask your Castro/ representative to tell you more about it, or ask for a leaflet.