2003 Matrix XR, 89K, well maintained by old owner, just about to become mine.
Took it to old owner’s mechanic for pre-sale checkup. He said humming noise was rear differential and replaced it.
Now it pulls to the right when driving, to the left when braking (also throbs), and generally just feels like total crap to drive. There’s also a noise that I hear as sort of a …rough grinding/roaring sound? Seems to be from the back.
Details: the hum increased in pitch as wheel speed went up. Nothing else changed it - not going from dirt to pavement, drive to neutral, uphill to down, straight to cornering. Otherwise, everything felt fine - handled really nicely, that’s why I wanted to buy it.
When I picked it up from the shop after the differential implant I drove it about a mile, flipped out at the way it felt, and took it right back; it was near closing time. Kid put it up on the lift, looked and said it was a front wheel bearing and to bring it back next morning. This morning the still-owner picked it up, test drove it and said “Yep, feels all loosey-goosey,” brought it in to the shop, and different guy says “it’s the alignment, bring it in tomorrow.”
Alignment? Wheel bearing? Why all of a sudden? Maybe the differential is bad or not installed properly? Why am I the only one thinking this?
Also, they lost one of the springs to the bit at the front where the exhaust joins on to the engine so there’s a big loud exhaust noise, which they didn’t notice when they test drove it. Also, the older guys are all on vacation and there’s only a bunch of teenagers working…