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Hit mid 90's today. Even at the boarder of Canada and up by Duluth it was in the 90's. Going to be like this all week. Sure it's nothing like the south seeing 100's but they do say it's a different kind of heat here with all the lakes/water and humid days. -
Pill flip on the transmission cooler lines is a 100% must do thing too.
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By ManyCamaroz · Posted
It's a '21 and was a CPO with extended protection when purchased, so hopefully it will be covered. I supposedly have all of it's service record history and nothing noted other than routine fluid changes, tire rotations, and the windshield washer nozzles replaced once. -
I would argue that GMPartsDirect has that info wrong. The service manual for R+R the lower arm and for adjusting camber/caster, none of the steps say to discard and replace the nut or the bolt. The only part that gets discarded is the plastic cam adjustment retainer that is in the eccentric from the factory. The LCA nut torque spec is: First Pass: 180 Y (133 lb ft) Final Pass: 90 –105 Degrees That is WELL past 130ft.lbs per the TSB that you reference that does not apply to this scenario. As for your clunk. I'd say it needs to be diagnosed thoroughly. Assuming the LCA hardware is tight, you could have a problem with the UCA, sway bar end links, etc. -
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By Grumpy Bear · Posted
The filtering to wear relationship goes like this: 'Relative Engine Life "Factor" new divided by the factor old. So 8/3= 2.67. That result is the multiplier thus if a motor had an effective life of 100K using a filter with a 45 micron rating at a Beta ratio of 75 then a filter with a micron rating of 10 at a Beta of 75 would improve expected engine life to 267,000 miles. Wear metals are an indirect indicator. Less is better and the motor lives longer but there isn't a multiplier like there is for filtration so well documented. Most of that has to do with the sensitivity of the wear metals tests themselves. They read a 'slice' of the spectrum but not the absolute values for the entire spectrum. So a general indicator that is used WITH the results of other tests. Two others considered in this post. Trending is very important. There is also the influence of corrosive wear which may be seen in the wear metals but separate from load based or viscosity mitigated indication. It's a small graph but the gray line is wear vs the TBN/TAN crossover. Not as useful as it used to be as there are now new chemistries for acid remediation that don't show up in standard UAO testing. They will catch up or be found liars. Only two possible outcomes, eh?
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