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09-08-2019, 01:12 AM | #1 |
Scooby Newbie
Member#: 506124
Join Date: Sep 2019
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Underrated Maintenance (STI)
Which part of maintenance that people mostly overlooked?Tell me your thoughts
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09-08-2019, 02:04 PM | #2 |
Scooby Newbie
Member#: 445600
Join Date: Apr 2016
Chapter/Region:
Tri-State
Location: SE PA
Vehicle:2002 Outback Sport Green |
From my dealer experience, most WRX/ STi owners that "do their own maintenance" are likely doing oil changes and nothing more. (That's not meant as a blanket statement- I'm sure most people on this forum likely do full maintenances. This is strictly from my dealer experience.)
So to answer your question, my opinion is that 30k, 60k, 90k etc. are the most overlooked maintenance items on WRX or STi. 30k service gets an oil change, air filter, brake flush, PCV valve (depends on where you go). 60k is the big one; it gets everything in the 30k, plus spark plugs, and- in most cases- differential services. 90k is like a 30k. 105k is the timing belt (except for the FA20T) 120k is like the 60k; some places like to do extras at this interval, like coolant and trans service (auto or CVT) To sum up my thoughts on this: DIY guys that only do oil changes likely never get that other stuff done. |
09-08-2019, 02:43 PM | #3 |
NASIOC Supporter
Member#: 123843
Join Date: Aug 2006
Chapter/Region:
NESIC
Location: Connecticut
Vehicle:2016 STI LTD CWP Let LED's light your way! |
Transmission gear oil
Rear differential gear oil In-tank fuel-filter Power-steering fluid Timing-belt and related items Vacuum / emissions hoses Accessory belts Brake fluid / clutch fluid Brake pads People don't know / don't care / cost is too high Last edited by Big-E; 09-08-2019 at 02:49 PM. |
04-24-2023, 10:12 AM | #4 |
Scooby Newbie
Member#: 526470
Join Date: Sep 2021
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How often should these be done? Some people say change spark plugs every 20k or 15k miles and I feel that's excessive. I can't find a realistic maintenance guide anywhere!! And I won't follow Subarus because they say wait too long between oil changes so idk what's accurate in that book
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04-24-2023, 10:41 AM | #5 |
Scooby Specialist
Member#: 510366
Join Date: Jan 2020
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What happens if you dont change your steering fluid? Does it degrade into gummy? I have never owned a non electric power steering for long enough to have seen any issues.
PCV valve is a good one, i can see some interesting stuff happening there. |
04-24-2023, 07:29 PM | #6 | |
Scooby Newbie
Member#: 445600
Join Date: Apr 2016
Chapter/Region:
Tri-State
Location: SE PA
Vehicle:2002 Outback Sport Green |
Quote:
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05-19-2023, 07:48 AM | #7 |
Scooby Newbie
Member#: 514853
Join Date: May 2020
Chapter/Region:
International
Vehicle:2005 GDB-E |
Here's a kicker: Galvanic corrosion interactions between aluminium (block, heads) and their steel fasteners, mls headgaskets, coolant pipe fittings.
Also ridiculous factory torque specs for water pump bolts and a variety of m6/m8 threaded aluminium holes (eg small idler bearing beside hydraulic tensioner). |
05-19-2023, 07:49 AM | #8 |
Scooby Newbie
Member#: 514853
Join Date: May 2020
Chapter/Region:
International
Vehicle:2005 GDB-E |
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