MON­I­TOR­ING AND RE­PLAC­ING COOLANT HOSES

Top Gear (Philippines) - - The Garage -

01 When­ever you take your car in for an oil change, it’s a good idea to check the con­di­tion of all of the coolant hoses. It’s fairly easy. Give them a slight squeeze. If they feel su­per soft and mushy (or crunchy), it’s time for a re­place­ment. Same goes if they feel hard and brit­tle. A good hose is pli­ant and springy. Be fa­mil­iar as each brand feels dif­fer­ent.

02 Look closely at the ar­eas near the clamps. If the hose has bal­looned a bit, it’s also time to re­place it. Study the en­gine. Are the hoses lo­cated close to any heat sources like the ex­haust man­i­fold? If so, these are likely to age faster. Look out for small cracks, and tiny leaks, too.

03 Never wait for a hose to fail. This will leave you stranded be­cause the en­gine will surely reach crit­i­cal tem­per­a­ture and be dam­aged by an over­heat. There’s no true life­span for a hose. You have to mon­i­tor these things closely.

04 When it is time to re­place the hoses, make sure that the en­gine has cooled down for a bit. You might scald your hands on hot metal com­po­nents. The ac­tual coolant is su­per hot, too. Drain it from the ra­di­a­tor drain plug first. Be care­ful when pulling the hose free from the en­gine or ra­di­a­tor. Don’t break any­thing. On an older car, plas­tic ra­di­a­tors can be brit­tle. So can al­loy ther­mo­stat hous­ings.

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