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Old 07-17-2010, 08:59 PM   #49 (permalink)
PapoZalsa
A True Z Fanatic
 
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Join Date: Nov 2009
Location: Not in Sunny Florida
Posts: 6,358
Drives: 16 Nismo w/Tech Pack
Rep Power: 4500
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Quote:
Originally Posted by SoCal 370Z View Post
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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2009 370Z MB Base w/Sport Package 6MT
Modshack's Custom Air Intakes /3M Clear Bra/ Illuminated Kick Plates / F. I CBE w/12" resonators / EVO-R Front Lip / Rear Hatch Wing / Tein S-Tech Springs /Ilegal Tint in the Rep. of VA/4x20mm Z1 Spacers/ Vinyl Roof/Liquid Carbon Designs
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