Bolts Breaking common?

[SupraMario]

i was replacing my thermostat and the two bolts that held the casing on it broke
the heads twisted right off. i was like wtf. but neways my question is, for everone who does major work on their cars does this seem to happen a lot?

 

[IJ.]

Pretty common Dead!
(Lots of cheap arse Supra owners think water is as good as coolant so they corrode)

 

[SupraMario]

well damn im the 6th owner so, looks like this is goin to happen a lot during my rebuild.

 

[MA70Supra88]

I busted one on my car about a year and a half ago.

 

[IJ.]

Another one to be a bit careful with is the big arse banjo bolt at the back of the head that goes to the heater, Banjo bolts by design like to break (think of the dotted lines in toilet paper)

 

[Stanzaspeed]

some of the bolts on these cars piss me off. i have no exhaust from the diferential back because when i was removing the bolt i needed for the last section of my exhaust i popped the head right off one.

 

[mdr40z]

Most people overtorque bolts causing them to break

 

[Loki]

When I was taking my front end apart on my old '89, I think I walked away with a hadful of intact bolts. The rest just snapped, I blame it on them being rusty.

 

[dzb]

so given that it appears most people break loads of bolts...before i start my rebuild...does anybody have a writeup or reference guide for the various bolts in and around the motor...

 

[PynkEye]

The real answer why bolts break so easy on the Supra, and ive broken many..under the car shield thing and shit, is because Japan has one of the worst Metal around. You want good steel, go to Norway and Sweeden, dont remember exactly wich one, but its the best on the market..and Im not to sure, but i think Japs are the last. I was working on a Toyota Echo aobut 2002 and i took the fender off, boom broke 2 bolts..i was like :| cheap ass Jap bolts.

Anyways, jap bolts suck, and thats the roots of the bolt breaking problem. Learned that all at school so stay in school

 

[shaeff]

i snapped the lower one on my t-stat housing.

-shaeff

 

[albertmdh]

so far, my rear licence plate studs broke, and 4 bolts taking off the stock exhaust tips. rusty.

 

[Anomili]

I've never broken any bolts, but then again my dad is the original owner so I know that the car has been taken care of. However, isn't there some way to remove bolts with broken heads? I'm thinking of something that'll drill out the bolt then rethread the hole?

 

[SupraMario]

I've never broken any bolts, but then again my dad is the original owner so I know that the car has been taken care of. However, isn't there some way to remove bolts with broken heads? I'm thinking of something that'll drill out the bolt then rethread the hole?

yes u can tap the bolt u can slot it and try to get it out with a flat head screw driver.
and its china that has cheap ass metal also
but seems that its really common that people break bolts on the supra, man we need to send them japs a message and tell them that bolts hold the damn car together. lol

 

[americanjebus]

the reason they have jack crappy metal is cus everything is mass produced by the millions. spending that extra .10 cents on metal per whatever is huge.

 

[supra90turbo]

no broken bolts

 

[Supra Blues]

no broken bolts

Me neither...

Just rebuilt the entire engine, no bolts broken.

 

[wulfstan]

Same here, broke the top thermostat bolt. Bought new one and then didn't torque them as hard. Oh well, live and learn. Never have seen a breaking bolt thread but hey, it's useful information.

 

[shaeff]

I've never broken any bolts, but then again my dad is the original owner so I know that the car has been taken care of. However, isn't there some way to remove bolts with broken heads? I'm thinking of something that'll drill out the bolt then rethread the hole?

there are things called 'easy outs'. they're basically a drillbit with a reverse cut to them, so as you drill into a broken screw/bolt, it loosens it and backs it out for you. what you need to do is center drill the screw first, then use the easy out into the now existing hole. (using an easy out smaller than the actual broken screw/bolt, this way you dont accidentally drill out the hole with the easy out, as that would be bad.) they're pretty handy. sears has them, as do most local hardware stores. basically, dont use the easy out as a drill bit, use it only for what it's meant for.

most likely, the threads will not be damaged, but if they are, you could probably get away with chasing them using a tap and die set. (also available at sears/local hardware store) just make sure you get the right thread pitch when you do it.

(EDITED: because IJ pointed somethin' out to me, for lack of confusion)

-shaeff

 

[IJ.]

<golf clap> Great edit!