Quoted: I know the struts will be shot but they will get replaced anyways. I hve 205/40/17 tires, if I air them up will they be ok? I will replace them when I get back but I will need my car for two weeks for reintergration.
What else should I do? I know about stale gas.
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A year isn't that long of a time for a vehicle to sit .
There are many vehicles on used car lots that have been
sitting longer then that .
Modern tires don't dry rot since they contain only a small
percentage of natural rubber , if any at all . Radials don’t
flat spot like old bias ply tire did . You can also have them
filled with nitrogen which leaks through the tire material at
a much slower rate then air does . Finding a shop that uses
nitrogen shouldn't be that difficult since compressor manfs
have been pushing the ability on shops for more then 5 years now .
Now for modern gasoline . The main form of degradation is the out gassing
of aromatic petroleum distillates . The days of gas turning to varnish
went away with carburetors . ( The Last Carb vehicle was 1991 ) , and
since the late 80's it has been a federal emission requirement that
vehicles have a sealed fuel system . So there is nowhere for the out gassing
to go , especially if you fill the tank .
Adding Stabil or another stabilizing agent is cheap insurance
as is a bottle of isopropyl alcohol . Avoid methanol based
"Dry Gas" since methanol can degrade synthetic hoses and seals .
I also wouldn’t be overly concerned about you struts and springs
going bad since sitting static would be less damaging then the
forces they get in a moving vehicle . As for the triple chromed
shock/strut shaft rusting . It just doesn’t happen until the shaft
coating is well worn . If they do rust it's because they were already shot .
The main concerns of long term storage of a late model vehicle
is battery drain from the parasitic draw that all late model vehicles have
( Computers Never Sleep ) You should also change the oil and run it for
15 min before you store the vehicle . This will ensure that acid byproducts
of combustion are neutralized as much as possible , and oil still contains
it's highest concentration of additives . The same is true for the coolant .
If its more then 2 years old , I would drain at least half of it and refill
with 100% coolant without adding any water to ensure a good
additive package .