100k mile tune up - what to do?

simonnyc

Member
My '07 Mazda5 is currently at 106k miles. I never did the 90k mile maintenance service. I've been changing the oil every 6k miles, changing the air/cabin filters regularly but have not replaced any fluids. I have also never replaced the spark plugs. I have some rear suspension issues but I am looking to take the 5 in for a long overdue tune up. What should I have done to my car?

A couple of things I can think of off the top of my head are....

Transmission fluid flush
Replace spark plugs

What else should I do?
 
I just changed my power steering fluid at 89k and it was pretty dark and burnt smelling.
I changed my coolant at 80k and that was on the darker/dirty side as well. Check out your hoses and belts. Tranny fluid definitely change. Maybe brake fluid too?
 
how do your brake pads look? Probably need replacing if you haven't already. Swaybar bushings probably need to be replaced. Check the motor mounts - they are known for failing. Some people replace the tensioner assembly when they replace the belts, mine looks ok, so I'm going to wait on that one.
 
I perform serious tune-ups @ 80k typically, but did the plugs on ours @ 60k because it had a slight miss at idle.

At 100k, you should consider replacing/inspecting:
  • Accessory Belts
  • Thermostat
  • Fluids (coolant, ATF, power steering, etc.)
  • Spark Plugs
  • Filters
  • Brakes (flush fluid when you replace pads/rotors)
  • Engine Mounts
 
how long does our coil pack last? thinking of changing them but they are ~$40 each from RockAuto : (
 

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