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WarmCanadianWinters

Old timing belts and Caliper shenanigans

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SO

Just made an account, hello all

Tryna do some work on my '98 V70R, the timing belt is from 2006 I think, rear brakes are sitting at 10% (So sayeth the local mechanic).

Gonna pick up the Power Stop Z23 Performance D/S Rotor and pad kit. Couldn't find any note in the service records of the rear calipers ever being replace, (and the first guy who had this car put nearly 18 grand into it) does it need to be done? 

Also is this timing belt a problem? From what I've read, if it breaks, its a bad time :(

 

Thanks all in advance. Pretty green to mechanic-ing

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if seals look good on calipers they should be ok.  one can always "rebuild" calipers simply by replacing seals & o-rings etc.  

yes replacing timing belt is crucial as these are interference engines, meaning if the timing belt breaks you'll need at least new valves & usually more. when these timing belts break nothing stops the valves from hitting the pistons.  best to just replace it & all belts.  also check tensioner while you're at it.

enjoy!!

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I’d go ahead and replace the timing belt, tensioner, idler, and water pump. It’s good security since it’s been 12 years on this belt, which is two years past Volvo’s recommendation for replacement.

As jefhon said, valve damage will occur if the belt breaks or the tensioner or water pump pulley fails.

If there’s no problem with the rear brakes working (rotors don’t stay rusted after driving), they’re probably fine.

You may want to replace the caliper seals if you feel like they’re weak. I did all four of mine a while back and they have performed well. The rear calipers tend to seize up (at least on FWD cars, mine were), so they may benefit from a seal replacement and cleanup.

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    • By WarmCanadianWinters
      SO
      Just made an account, hello all
      Tryna do some work on my '98 V70R, the timing belt is from 2006 I think, rear brakes are sitting at 10% (So sayeth the local mechanic).
      Gonna pick up the Power Stop Z23 Performance D/S Rotor and pad kit. Couldn't find any note in the service records of the rear calipers ever being replace, (and the first guy who had this car put nearly 18 grand into it) does it need to be done? 
      Also is this timing belt a problem? From what I've read, if it breaks, its a bad time :(
       
      Thanks all in advance. Pretty green to mechanic-ing
      Oh shitters, I posted it twice. Off to a bad start