CM871 drag when releasing accelerator

[RMezaJr]

(12-23-2021 )Rawze Wrote:  Is the drive-line, tranny, or rears getting really hot?.. excess friction in the drive-line causes excess heat buildup.

I was told by a friend with the same Year, Make and Model that Volvos tend to hit 210F° often and my truck does as well before the fan clutch engages. Unfortunately, I don't have any temperature gauges in the axles or transmission. Is there an easy way to install them?