Stuck on a belt tensioner for 4 hours - was I overthinking it?

I was doing a timing belt job on a 2010 Honda Accord last Saturday, and the tensioner bolt just would not line up. I spent 4 hours trying different pry bar angles and even pulled the water pump off to get more room. After all that, I realized the new tensioner had a different bracket shape than the old one, so I had to loosen the motor mount and tilt the engine forward. Has anyone else fought a simple bolt for way too long only to find out the new part was slightly different?

3 comments

3 Comments

nancycooper23d ago

Oh wow, four hours on a tensioner bolt... that's brutal. I used to think you could just swap parts and they'd be identical every time, but this totally changed how I look at it. Now I always hold the new part up to the old one before I even start wrenching, just to check for stuff like that bracket shape difference. It sucks that you had to learn it the hard way with the motor mount and everything, but at least you got it sorted out eventually.

nora11023d ago

lol yeah comparing old and new parts side by side before installation is basically a must-do now. one thing though, the bracket shape difference is actually pretty common with aftermarket parts even when they're supposed to be "direct replacements." i had a water pump once where the casting was just slightly off and it rubbed against the timing cover until i shimmed it. always worth checking fitment before you torque everything down.

susan_wright3423d ago

Yeah "direct replacement" is such a joke half the time. I've gotten burned on that term more than once. But @nancycooper bringing up the bracket shape thing is spot on. That seems to be the main place manufacturers cut corners. They keep the bolt holes the same but the rest of the casting is just a little different. I had an alternator bracket once that was so far off I had to grind down the edge just to get it to sit flush. Ended up taking a file to it for like 20 minutes before it would bolt up right. It's crazy we have to do this stuff just to get new parts to fit.