What is done to a 2007 Toyota Corolla during the 30,000 service.?

Depends - are you going to ask your dealer for their X-mile service (which individual dealers usually have a package price that includes a bunch of stuff that you don't really need or that aren't even on your car), or are you just going to have done what is required for your vehicle per the scheduled maintenance guide? Call around to different dealers for their pricing for the X-mile service and what is included in that service. Don't forget to check your mail or the dealer's web site for any service coupons.

also, the required scheduled maintenance varies depending on what country you are in...

US scheduled maintenance guides (if you did not get the Passport to Performance scheduled maintenance guide owner's manual supplement booklet with your car):

http://smg.toyotapartsandservice.com/

for a 2007 Corolla, 36 month/30,000 mile service: http://smg.toyotapartsandservice.com/guides.php?v=...

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Replace engine oil and oil filter 1

Rotate tires

Replace engine air filter

Re-torque drive shaft bolt

Inspect the following:

Ball joints and dust covers

Brake lines and hoses

Brake linings/drums and brake pads/discs 2

Differential oil

Drive shaft boots

Engine coolant 3

Exhaust pipes and mountings

Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses

Fuel tank cap gasket

Radiator, condenser and/or intercooler

Steering gear box

Steering linkage and boots

Transmission fluid or oil

Note: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced airflow from the air conditioner and heater or if the windows fog easily when you use the "Fresh" mode. Consult your dealer if any of these conditions occur.

Additional Maintenance Items for Special Operating Conditions:

Driving While Towing

Replace front differential oil (all models with manual transmission)

Replace manual transmission oil

Tighten nuts and bolts on chassis

Driving on Dirt Roads or Dusty Roads

Tighten nuts and bolts on chassis

Applicable Footnotes:

1) Reset the oil replacement reminder (“MAINT REQD”) light after replacing engine oil, if vehicle is equipped with this light.

2) Inspect thickness measurement and disc runout.

3) See Maintenance Definitions (Engine Coolant) for details.

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Canada scheduled maintenance:

http://www.toyota.ca/cgi-bin/WebObjects/WWW.woa/3/...

The UK Corolla Brief Guide (condensed owner's manual) states (see page 12) that the services are every 1 year/10,000 miles. The 3 year/30,000 mile service is the same as the 1 year/10,000 mile service, which is an "Intermediate" (oil & filter) service and not a "Full" service.

http://www.toyota.co.uk/bv/OwnerServices/BriefGuid...

Timing Chain could be replaced each and every one hundred,000 miles or so. they're going to verify suspension. making particular not something is commencing off to pass undesirable. they're going to look at all rubber hoses in engine bay and under motor vehicle to be sure there is not any leak or or cracking hose. They look at gas strains and coolant point and transmission and engine oil ranges/cleanliness. they might advise a gas device cleansing or a music up like new sparkplugs, wires, distributor cap and rotor, and gas filter out.

Probably just a tire rotation, trans fluid change, and oil change.

your wallet is emptied...rip off dealer service