By on July 24, 2013

Bob M. writes:

Sajeev, I’m a bottom feeder with cars. All I’ve ever owned are used domestic cars with pushrod engines. I overhauled a Pontiac 2.5L once just to get the experience. My idea of engine maintenance is valves at 100k and an overhaul at 150k.  (Read More…)

By on February 13, 2013

Dan writes:

Dear Sajeev,

A recent post on the CX-9 users forum (at www.mazdas247.com) caught my eye. An stalwart owner tore down his 3.5 (Ford) engine to clean up a sludging problem and broke a rod bolt in the process. He then discovered much to his dismay that replacement rod bolts are not considered “serviceable parts” by Mazda. In fact, it turns out that most of the internal engine components you would want to replace in a rebuild are not available from Mazda. (This is true for both the 3.5 and the more recent 3.7 litre versions.) Unavailable items include pistons, rings, bearings, etc. Searching on-line one can find the typical factory exploded parts diagrams with all these internal components listed, but in lieu of part numbers there is the notation, “This part is not serviced.” (Here’s an example) (Read More…)

By on September 24, 2012

Ted writes:

Sajeev,
Here’s what I got: 2002 Saturn L200 156000 miles bought new. Excellent car no problems whatsoever, maintained precisely. Question about timing chain scuttlebutt. Should I change it preventatively , switch to synthetic oil, or just do not worry about? (Read More…)

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