2001 Aurora, swapping to '04 Bonneville Engine/Transmission.
#1
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2001 Aurora, swapping to '04 Bonneville Engine/Transmission.
Hello Everyone,
I'm a newby & am in the planning/purchasing stages of swapping the engine with an '04 Bonneville 275 HP. The reasons are many, but the main one is that I have a trans leak that can only be fixed with engine/trans removal. So, since I want more power, & I have the m out already, a better engine seems like a good idea.
That being said, I know that the engine electronics are compatible, but I haven't been able to find definitive information as to Transmission compatibility. I already bought the '04 engine & would like to use the trans as well.
Does anyone know for sure whether the '04 Bonneville trans will work in my '01 Aurora?
Thanks,
Ed
I'm a newby & am in the planning/purchasing stages of swapping the engine with an '04 Bonneville 275 HP. The reasons are many, but the main one is that I have a trans leak that can only be fixed with engine/trans removal. So, since I want more power, & I have the m out already, a better engine seems like a good idea.
That being said, I know that the engine electronics are compatible, but I haven't been able to find definitive information as to Transmission compatibility. I already bought the '04 engine & would like to use the trans as well.
Does anyone know for sure whether the '04 Bonneville trans will work in my '01 Aurora?
Thanks,
Ed
#3
Administratus Emeritus
Certified Car Nut
What tranny is on your shortstar now? If it'* a 4T6xx there is considerable reworking, but possible. I also don't think the sensor'*/wiring are going to be a direct swap type of thing either. having the PCM from the donor car would make things alot easier.
#7
Administratus Emeritus
Certified Car Nut
The LD8 (4.6L) your getting comes with the 4T80 so it should be direct replacement. The PCM/ECM is
ACDELCO Part # 12587465
MODULE,Powertrain Control w/TIER 2 PHASE-OUT FED EMIS(NT9) or LEV II PLUS CAL EMIS(NU4)
$509.79
Thats probably the cheapest new price you'll find @ www.rockauto.com
https://www.rockauto.com/catalog/raf...8Y%2529%2BDOHC
A good place to get used GM FWD parts is Ed Morad. Here'* the parts request webpage with his phone number.
http://www.moradpartscompany.com/partrequest.html
ACDELCO Part # 12587465
MODULE,Powertrain Control w/TIER 2 PHASE-OUT FED EMIS(NT9) or LEV II PLUS CAL EMIS(NU4)
$509.79
Thats probably the cheapest new price you'll find @ www.rockauto.com
https://www.rockauto.com/catalog/raf...8Y%2529%2BDOHC
A good place to get used GM FWD parts is Ed Morad. Here'* the parts request webpage with his phone number.
http://www.moradpartscompany.com/partrequest.html
#9
DINOSAURUS BOOSTUS
Expert Gearhead
Ok, I'm confused. It sounds like you are swapping the Bonneville engine/trans into the Aurora, but the HP and John'* post make me think it'* the other way around.
One concern going between the two transmissions is that the shift soleniods are reverse polarity IIRC, but that'* been solved for in the past. So that'* easy enough.
One concern going between the two transmissions is that the shift soleniods are reverse polarity IIRC, but that'* been solved for in the past. So that'* easy enough.
#10
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Check Ebay for a PCM, should get a better price. Local salvage yards may have a PCM as well. You will need the PCM programed to match your VIN, this shouldn't be a problem if you get it from Ebay, most will program the PCM.