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Old 02-16-2007, 11:27 AM #61
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Quote:
Originally posted by RickyCRX
Wow... That must have been a REALLY hard hit to the front of that vehicle to have caused that damage. Did you happen to keep the other crank pulley from the old engine, or did you turn it in to them? If you gave them your good one, I would call them up and tell them to send you another one because this one was damaged and you purchased what should have been a good replacement.

I would be willing to bet that the crank is fine, but it's difficult to tell with that hard of a hit to the front of it.

Ricky
Fortunately I do still have the old balancer. I'm really concerned about the crank because when the key rolls over on the crank it 'could wallow' out the hole for the key to go in to.

So now the motor comes back out for and the front timing cover comes back off to check out the crank.
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Old 02-16-2007, 11:33 AM #62
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Yeah, those woodruff keys are pretty damned stout -- they're made out of a VERY hard steel. The only thing you can hope for was that it rotated AFTER there was enough play from the collision breaking the crank pulley and hopefully didn't move after that point.

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Old 02-17-2007, 08:20 PM #63
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Is this Crank Repairable?

OK Guys, Motor #2 is out and here's the crankshaft with the damaged key. The key came out completely undamaged (definately hard metal). The harmonic balancer was cracked (as shown in previous pictures). The crank timing gear is cracked but that's OK because I have another one from the previous motor.

The big question is the crank OK? It's not bent. I currently can't get the crank timing gear off because when the key folded over it created a 'divot' in the crank's metal. I don't know if I should try to beat the crank down or try to grind it down.

I've called the junkyard where I got the motor and they know that there are possible problems so if the crank is no good then the motor goes back. I just really hate to give up a motor that has 8800 miles on it. Stupid Cranks.

Looking for suggestions... Dave

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Old 02-18-2007, 12:55 AM #64
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I would personally be paranoid of grinding it down because if you do, then chances are they may not take the engine back because you did a 'modification' to it. I'd say to make them take it back, but ask them to replace it with another engine. Since they took your original one and threw it in a metal parts bin, they're not going to be able to give you your core back. Consequently they're either going to have to reimburse you for that core in addition to refunding your money for this engine, or they're going to have to bear the responsibility of finding you another one. I'd rather see you find a 15k mile engine out of a rollover that hasn't been damaged than to try to salvage that one. Either that or price a new crank and bearings from the dealer and have them refund you that amount of money...... That is, IF you feel like opening up the oil pan and replacing it yourself. Probably not worth your effort, though.

It's too bad I just saw your message now. We were just up in Austin (actually went all the way up to Round Rock) earlier today. I would have been curious to take a look at that a bit closer.

Ricky
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Old 02-18-2007, 10:41 AM #65
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Re: Is this Crank Repairable?

Quote:
Originally posted by ysrsquid
The big question is the crank OK? It's not bent. I currently can't get the crank timing gear off because when the key folded over it created a 'divot' in the crank's metal. I don't know if I should try to beat the crank down or try to grind it down.

Bummer about the latest events.
Don't beat it. Just use a die grinder to take it down. Check the runout on the end of the crank and check for freeplay. Any signs of damage to the front of the block? Should be good to go!
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Old 02-18-2007, 07:34 PM #66
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Re: Re: Is this Crank Repairable?

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Originally posted by Kmvreter
Bummer about the latest events.
Don't beat it. Just use a die grinder to take it down. Check the runout on the end of the crank and check for freeplay. Any signs of damage to the front of the block? Should be good to go!
I stoped working on the crank pin when I saw the extent of the damage. I'm in need of professional advice at this point. Too bad I found the issue on the weekend. All shops closed.

I don't see any runout. I don't have a gauge to put on the crank but I did spin the motor over with the starter and there is no visible runout. I don't think there is any damage beyond the wallowed out keyhole. I'll be taking pictures to a couple local shops to see what my options are. If the options are limited, then I have already warned the salvage yard that there are issues. I just don't want to return a motor with 8,800 miles.

I'd love to hear that someone could weld up the divot and then I could grind the keyhole back out. Or maybe the key could be permanantly welded into position....
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Old 02-19-2007, 07:18 PM #67
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Motor #2 - "Return to Sender"

I talked with 2 mechanics and a machine shop about the crank's damage from the key. The professional opinion is unanimous, "Crank is Junk."

I showed the machinist crank #1 with the spun bearings and he said that the crank could be turned and installed into motor #2 for around $500. But since I am under the 'warranty' period of motor number #2 I decided to let the salvage yard in Houston know the bad news. After talking with the owner it doesn't sound like he was suprised the crank was toast. I had talked to him on Friday so I think that he was expecting the bad news also. He's asked for a couple of days to find Engine #3.

I did find a couple of threads for repairing the crankshaft key. The links may do someone some good. I decided not to perform any repairs on a motor that's under warranty.

Link 1
Link 2

So much for gettng truck running over President's Day weekend. Dave.
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Old 02-20-2007, 12:11 AM #68
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Hate to hear that it won't be running today, but better to take the time and do it right with all the time you're investing.
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Old 02-21-2007, 11:51 PM #69
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Engine #3 Found

Great news. The salvage yard in Houston called. They have found the replacement (for the replacement) motor. They've bought a salvage '06 Tacoma. They owner of the salvage yard didn't know how many miles but the enginge came from a LA truck that cought fire in the rear. The salvage truck arrives in Houston either Saturday or Monday. The motor will be available as soon as Saturday or as late as Tuesday.

It's going to be tough breaking free from work to go to Houston for personal business.... but I may be coming (cough, cough) down with a 24hr flu or something!
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Old 02-22-2007, 12:20 AM #70
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For all the trouble they put you through, I'd tell them to put it in the back of a pickup truck and take a drive to Austin and pick up the broken one while they're at it.

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Old 02-22-2007, 12:23 AM #71
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Quote:
Originally posted by RickyCRX
For all the trouble they put you through, I'd tell them to put it in the back of a pickup truck and take a drive to Austin and pick up the broken one while they're at it.

Ricky
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Old 02-22-2007, 12:24 AM #72
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Re: Engine #3 Found

Quote:
Originally posted by ysrsquid
Great news. The salvage yard in Houston called. They have found the replacement (for the replacement) motor. They've bought a salvage '06 Tacoma. They owner of the salvage yard didn't know how many miles but the enginge came from a LA truck that cought fire in the rear. The salvage truck arrives in Houston either Saturday or Monday. The motor will be available as soon as Saturday or as late as Tuesday.

It's going to be tough breaking free from work to go to Houston for personal business.... but I may be coming (cough, cough) down with a 24hr flu or something!
Take care of that cough... don't want it to get in the way of you fixing the truck
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Old 02-22-2007, 10:20 AM #73
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Here's V6 4L one on the local DC Craig's list from an '03 LTD for $800 - says 55k miles on it.

http://washingtondc.craigslist.org/n...282703874.html
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Old 02-22-2007, 10:33 AM #74
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Quote:
Originally posted by wolfgang
Here's V6 4L one on the local DC Craig's list from an '03 LTD for $800 - says 55k miles on it.

http://washingtondc.craigslist.org/n...282703874.html
Thanks for the Link. I have sent the guy a email just in case the motor in Houston falls through again. Sure is an awesome deal for a motor. Dave
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Old 03-01-2007, 12:03 AM #75
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Quick Update - No Motor Yet

Just a quick update for anyone who's enjoying following my slow trek back to a running 4Runner.

The salvage yard called earlier this week and said they didn't think that the heads would be good on the replacement motor. The fire that totalled the vehicle did make it into the engine compartment (shock!) and they didn't think that the motor is salvageable. At this point we (the owner of the salvage yard and I) are considering taking the crank out of the burned motor and placing it into the motor that I have with the damaged crank. Of course the decision will definately include a rebate on my original $2,200 that I paid for the motor. I'm thinking that he should knock off $500 to cover my labor and replacement bearings for the motor.

Check back soon to see how much worse it can get! Later, Dave
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