The Truth About Cars » 100 http://www.thetruthaboutcars.com The Truth About Cars is dedicated to providing candid, unbiased automobile reviews and the latest in auto industry news. Fri, 05 Dec 2014 17:06:32 +0000 en-US hourly 1 http://wordpress.org/?v=4.0.1 The Truth About Cars is dedicated to providing candid, unbiased automobile reviews and the latest in auto industry news. The Truth About Cars no The Truth About Cars editors@ttac.com editors@ttac.com (The Truth About Cars) 2006-2009 The Truth About Cars The Truth About Cars is dedicated to providing candid, unbiased automobile reviews and the latest in auto industry news. The Truth About Cars » 100 http://www.thetruthaboutcars.com/wp-content/themes/ttac-theme/images/logo.gif http://www.thetruthaboutcars.com Piston Slap: Running Interference for Timing Belts? http://www.thetruthaboutcars.com/2013/06/piston-slap-running-interference-for-timing-belts/ http://www.thetruthaboutcars.com/2013/06/piston-slap-running-interference-for-timing-belts/#comments Mon, 03 Jun 2013 12:00:50 +0000 http://www.thetruthaboutcars.com/?p=493750 Clint writes: I usually buy vehicles that need the timing belt replaced. (Most people trade in or sell at that point for $ reasons). I do most of the work myself because it’s not overly complicated if you follow a manual. People at my office ask me about general car maintenance. When I ask about […]

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Clint writes:

I usually buy vehicles that need the timing belt replaced. (Most people trade in or sell at that point for $ reasons). I do most of the work myself because it’s not overly complicated if you follow a manual. People at my office ask me about general car maintenance. When I ask about timing belt changes they always respond with, “Do I need to change that?” or “I have never changed that.”

At that point I ask for their mileage, it’s always way over the required service date. How many people that own vehicles experience these timing belt disasters? Most vehicles on the road are interference motors so I think the casualty rates are pretty high.

Sajeev answers:

Regarding casualty rates: if this was ten years ago, I’d agree with you. But thanks to events like promoting 100,000 mile tune-up intervals in Detroit Iron during the 1990s, the majority of mainstream machines switched to the chain. This list (grain of salt: it thinks Panthers have timing belts) might help explain the time period when everyone abandoned their belts for a timing chain.

Hell, even Ferrari uses timing chains now!

To your question: we will never know how many people experience timing belt/bent valve disasters, but the numbers are likely dwindling.  Impossible to prove, as car repair databases aren’t the well-organized machines seen in the healthcare insurance industry.  Can you imagine a HIPAA compliant local service station?

Send your queries to sajeev@thetruthaboutcars.com. Spare no details and ask for a speedy resolution if you’re in a hurry…but be realistic, and use your make/model specific forums instead of TTAC for more timely advice.

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Piston Slap: 100,000 Mile Tune Ups, Dex-Cool, Grandma’s S.L.A.B. http://www.thetruthaboutcars.com/2013/02/piston-slap-100000-mile-tune-ups-dex-cool-grandmas-s-l-a-b/ http://www.thetruthaboutcars.com/2013/02/piston-slap-100000-mile-tune-ups-dex-cool-grandmas-s-l-a-b/#comments Mon, 11 Feb 2013 12:52:26 +0000 http://www.thetruthaboutcars.com/?p=477112 Justin writes: Sajeev, I have a 2001 Buick Regal LS. I bought it in 2007 with 14,000 miles on (yes, from a grandmother). It has 72,000 miles on it as of this morning. It’s not a great car and has required plenty of maintenance (for example, I’ve had to replace the brakes completely 3 times […]

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Justin writes:

Sajeev,

I have a 2001 Buick Regal LS. I bought it in 2007 with 14,000 miles on (yes, from a grandmother). It has 72,000 miles on it as of this morning. It’s not a great car and has required plenty of maintenance (for example, I’ve had to replace the brakes completely 3 times already). However, I have a few questions about long term items:

1. Spark plugs. Should I change them? The owner’s manual specifies 100,000 miles; does time play a factor in that at all? I’ve read that sometimes the back 3 never get changed anyway (apparently it’s a PITA).

2. Coolant. I had it changed once in 2008 (it’s Dexcool) because I had been reading the horror stories. How often should I be changing this?

I’m unsure how long this car is going to last, but I’ll keep limping it along until the cost gets too high. So cost is a factor here too.

Thanks!

Sajeev answers:

As you learned, buying a low mile original car isn’t necessarily a great idea. Unless you buy it for an occasional, collector type of vehicle. (*cough* H-town swanga *cough*) Though a 6-year-old car with low miles doesn’t exactly fit this definition: you replaced the brakes three times in the past 58,000 miles?  Whaaaa?

 

Either you got screwed by a mechanic or you are a seriously aggressive driver that needs elbows and vogues to slow yourself down.  Perhaps you should take a page from the Houston playbook, and keep that GM sedan Slow Loud And Bangin’.  But I digress…

  • Spark plugs: the 100,000 mile tune-up interval has been proven valid for every car I’ve seen, mostly because platinum plugs are that great. There’s a chance that age hasn’t been kind to the ceramic part of the plugs, but if the car idles smooth when cold, gets good mileage, decent power, no check engine light, etc…don’t worry about it.
  • Previously discussed here, here and here, Dex-Cool is a bizarre case where you can either flush it out (entirely, no margin for error) and switch to another type of coolant, or continue topping off with a Dex-cool compatible coolant, or you can continue to use Dex-Cool and service it as per the owner’s manual.  If you choose the latter, I’d service a little more regularly than suggested…out of fear of the Dex-Cool devil that comes from neglect.

Send your queries to sajeev@thetruthaboutcars.com. Spare no details and ask for a speedy resolution if you’re in a hurry.

 

 

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