DIY: 2005 XC90 Heater Core Replacement - 2005 XC90 2.5T with 109K miles. - Heater Core did not leak but only put out 145F at center vent (heat max, tach at 2500 rpm cruising speed). - After replacement, the center vent reads 160F (heat max, tach at 2500 rpm cruising speed), so I am ready for winter...

It all started when my wife was going to run errands. She started our ‘07 XC-90 3.2L and immediately came and got me. ABS, anti-skid, brake, and the red triangle of doom were all lit along with the “Brake failure stop safely” message. I’ve never had this message appear before, so my first thought wa...