Brian Buff

Preventative Miata maintenance

July 12, 2026

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My daughter and I do a little preventative maintenance on the Miata. There was a little bit of ticking in the tensioner and idler pulleys so we decided to go ahead and swap them out and install a new serpentine belt. While we were in there we decided to also install a new Moroso aluminum power steering reservoir. At some point we'll install the matching aluminum coolant reservoir but the one we have now is new so can't justify it now.

Close-up of the old plastic power steering fluid reservoir cap, seated in the engine bay next to the coolant tank
New aluminum power steering reservoir.
Working under the open hood on the tensioner and idler pulleys, with a second person looking on
Getting into the tensioner and idler pulley swap.
Holding the new aluminum power steering reservoir cap over the engine bay, ready for install
New serpentine belt going in.