grimmsly

I am rebuilding a 22re and I think i just made a very bad mistake, I just put the Head back on the block and i was turning the crankshaft with a torque wrench and forgot about the valves being down and I kinda pulled on the wrench but not really hard and it continued to move the pistons, I want to think that all it did was push the valve back up, cuz to bend metal seems like it would take more than 58lbs of torque, but than again i might have bent a valve. Does anyone know anything i can do to test it w/ the valve cover off

Any advice on the matter would be greatly appreciated.

PS the intake and exhaust are already hooked back up and i really dont want to go busting all the new gaskets i just put on.

wyoming9

iTrader: (1)

Just what are you saying??

You turned over the engine by hand.

The head and manifolds were bolted together just sitting on the engine. But the head bolts were not in nor was the timing chain put on.

I am confused about this not real sure what you think you did but unless you met enough resistance to need to put a 10' pipe on to turn the engine I doubt you hurt anything .

grimmsly

the head is bolted down and the timing chain was off, and i spun the crankshaft by hand with a torque wrench. I ran into a slight bit of resistance, but it wasnt alot.

My basic concern is does it require alot of force to bend a valve? or just a lil tiny bit

xxxtreme22r

your fine as long as you didn't do what that other guy did and turn it using the starter.

ps this is done more than you probably realize. Not talking about a 22re engine but race engines in general. helping build several imports and domestic motors turning by hand to check for piston to valve clearance when adding larger valves in conjunction with high compression pistons and head/block shaves, higher lift cams/rockers etc etc. I have seen the valves hit the pistons quite bit because the relief cuts in the pistons are not "compatible" with the setup. Valves are made of extremely tough materials and do not bend easily. If you've seen actual broken timing belts on an interference motor and what kind of damage the valves do to pistons when they meet you'd see what I am talking about. Yes valves do bend but you should see what they actually do to the pistons. As long as the engine is turned by hand and not an impact, starter or any other stupid crazy methods and you didn't honker down on a 2 ft cheater bar to "break" the crank free, your fine.

grimmsly

alright thanks man, that makes me feel alot better about this haha

Tuff

I Removed the timing belt off a 3uz fe engine but before I made marks off my own which eventually faded another story for another time but upon reinstalling the belt to the crankshaft pulley bere in mind I couldn't align the cranshaft pulley with the 'dot' on the oil pump area where TDC WOULD BE then the cam jumped 'did like a 160° angle i would say try doing a full 360° but felt like i could turn the cam and immediately stopped now I dont think I bent a valve because I applied no great force at all to do so whT do you think? Now my timing is all out whack and I think I felt resistance from both camshaft but again no great force was applied at all.....this is my first time working on a 3uz fe engine and also the first time adjusting the correct engine timing by myself. Help!!!!!!!!!

scope103

A Lexus? I don't know anything about this 4.3L engine. Perhaps you could find a forum with someone who could tell you whether this is an "interference" engine.

Tuff

yeah lexus ls 430 2001