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Wednesday, Oct 22, 2014

Cars generally don’t need lube jobs anymore

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Dear Tom and Ray:

My question concerns the “lube” portion of “lube, oil and filter.” A couple of years ago, I took a new job that is a mere four miles from my home. Between the short driving commute and bicycling to work, my car sees few miles and spends a lot of time in the garage. This has been good for my waistline and my wallet, since my insurance company offers a low-mileage discount.

However, this also means that I go a long time between lube, oil and filter services. Instead of every three months, it may take me six months to put 3,000 miles on my car. And with you guys preaching longer times between oil changes these days, I could conceivably go nine to 12 months between lube, oil and filters. This may be fine for the oil and filter, but should the undercarriage and chassis of a car be lubricated more than once a year? When I do take the car out for longer trips, I can hear squeaks and it feels stiff (this could just be my imagination). Should I have the car lubed every three or six months, even when it doesn’t need its oil and filter changed? Thanks! — Dann

TOM: When you take your car into the shop these days, there’s really not much for the mechanic to lubricate, Dann, other than your credit card, to make sure it swipes smoothly.

RAY: On modern cars, things like ball joints are all permanently sealed at the factory now. So when you look at most maintenance schedules, there’s almost nothing that calls for lubrication.

TOM: There are lots of trucks that still have grease fittings on ball joints and tie rods, but we hardly ever see cars that take grease anymore.

RAY: In fact, the only use our old grease gun gets anymore is juicing up the toilet seat on April Fools’ Day.

TOM: However, if something specific is wrong, certain parts can be lubricated to try to address the issue. For instance, if a customer comes in with a stiff, squeaky door, we’d obviously lubricate the hinges.

RAY: Or if a customer with an older car complains that it’s creaking when it goes over bumps, we’d start by lubricating the control arm bushings, and maybe the stabilizer bushings, too.

TOM: Those bushings can dry out over time, and they often respond to an application of good penetrating oil. You might want to have your mechanic try that for you, Dann.

RAY: But if you do that once, it should be good for years. There’s no reason to do it every three or six months. So just base your maintenance visits on when you need an oil and filter change, and forget all about the word “lube.”

You want to buy a used car, but how do you find a good one? Tom and Ray can help! Order “How to Buy a Great Used Car: Secrets Only Your Mechanic Knows.” Send $4.75 (check or money order) to Used Car, P.O. Box 536475, Orlando, FL 32853-6475.

You can listen to Tom and Ray Magliozzi’s “Car Talk” program at 10 a.m. Saturdays on National Public Radio station WUSF, 89.7 FM.

Got a question about cars? E-mail Click and Clack by visiting the Car Talk website at www.cartalk.com. They can’t answer your letter personally but will run the best letters in the column.

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