Here Pat Goss talk about why need to go beyond manufacturers service recommendations and look for aftermarket service intervals. He also gives an example of why you need to beware of services that need to be performed and shops that try to steer you away from the more expensive service to one that costs less, because that is the service they want to sell you.
The example he gives“My owner’s manual requires a valve adjustment every fifteen thousand miles, but my mechanic says that unless they’re noisy I shouldn’t waste my money. Should I, or shouldn’t I?”
Listen by clicking on the image below , then open