Why I Ceased Having My Engine Oil Changed by the Dealer

PapoZalsa · 07-17-2010, 07:59 PM

Quote:

Originally Posted by SoCal 370Z

Why I ceased having my engine oil changed by the dealer:
[*] My personal favorite: Far too many stripped oil drain plugs from idiots who cannot discern foot pounds from "that feels about right," let alone use an actual torque wrench. You know you've been had when you look underneath your oil pan and see a shiny new oil drain plug (most likely oversized because the lot jockey used an air ratchet to speed-up your oil change in between his having to drive customers cars around. Whoops!).

From the 2009 Z Owner's Manual:

Oil filter tightening torque:
11 to 15 ft-lb
(14.7 to 20.5 N·m)

8. Clean and re-install the drain plug with a
new washer. Securely tighten the drain plug
with a wrench.
Drain plug tightening torque:
22 to 29 ft-lb

I wounder what if any they (dealer) uses to torque the oil filter? Anyway 11 ft/lbs and 22 ft/lbs is nothing. They can strip the drain plug or over tigthen the oil filter easy!

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