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PostPosted: Fri Mar 16, 2012 11:01 pm 
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Joined: Fri Mar 16, 2012 9:18 pm
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Year and Trim: 2000 Pontiac Bonneville SLE
My 2000 SLE has a loud engine knock and I am for sure that the engine is done. I just don't really know the next step. A used engine with 80,000 miles is around $600.00. The rebuild kit is around $500.00, but I also don't know how bad the block is if anything. Also, my transmission is making really hard shifts and whining. So that probably needs a rebuild as well and a shift kit. Is it easier to do all this myself?? Me and my dad can make it a project. We have plenty of knowledge when it comes to this type of thing. The labor cost for this would be ridiculous if i had someone else do all of it. What should i do? and any tips would be very helpful. thanks!

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PostPosted: Sat Mar 17, 2012 1:33 am 
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Year and Trim: 2002 SLE
If you rebuild, there is some machining that should be done, also you should always have your head checked for cracks. You also never know what kind of internal damage you have done to the engine, such as gouging the crankshaft... With machining costs (and possibly the cost of replacing internal components beyond the reman kit), the cost of rebuilding can easily exceed a replacement junkyard motor. The trade off is that, if done correctly, you have a motor that is as good as the day your car left the factory. The junk yard motor is just another motor with a bunch of miles on it, and you really don't know what kind of life it has had.

Another option, is spending more on a reman engine.

Also, remember, on top of any motor swap or rebuild, there will be a lot of additional cost, fluids, filters, plugs, wires, hoses, belts, gaskets and so on.


Last edited by FIND on Sat Mar 17, 2012 1:35 am, edited 1 time in total.

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PostPosted: Sat Mar 17, 2012 1:56 am 
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Year and Trim: 2000 Pontiac Bonneville SLE
Okay i will probably go with the junkyard engine. But what about the tranny? A rebuilt kit amd shift kit should be alright? Unless the shaft is messed up...i guess i wouldnt know til i tore it apart, but i can always just drop it off somewhere if its tll bad for me to fix.

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PostPosted: Sat Mar 17, 2012 12:28 pm 
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Location: Space Coast, or at least it used to be
Year and Trim: 03 SLE, 95 SE, 95 TS SE
If you go the Junk Yard route for a motor.... Get an L26 3800 Series III for an 06-08 Grand Prix Vin 2


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PostPosted: Sat Mar 17, 2012 8:06 pm 
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Year and Trim: 2000 Pontiac Bonneville SLE
But will it match up with the trannys gear ratio? And why go with the series 3?

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PostPosted: Sat Mar 17, 2012 9:32 pm 
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Location: south west Michigan
Year and Trim: 2002 pontiac bonneville sle
Because the series 3 has updated UIM and aluminum LIM gaskets I believe

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