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Swapping 97 Driveline Into A 98

New 2/13/2011


So I've got two cars. One's a 97 with an excellent driveline, but a totally rotted out body. The other is a 98 with a pretty solid body, but a bad driveline. What I want to do is yank the 97 engine/tranny out and install it in the 98.


What are the differences between the two years relative to electronics and such. Is it a straight swap?
Dave
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Just keep the engine harnesses with the motors and it should be straightforward. The only area I am slightly unsure of is the internal tranny wiring changes.... I think keeping the PCM with the driveline would solve that too....

Scott

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I put the whole sub frame, engine, tranny etc. from a 99 into a 98 and didn't change the electronics. I was told it wasn't supposed to work but everything was fine.
Don't know about a 97 into a 98.

Buck
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96/97 years match up and 98/99 same... I don't know what all is involved in this process, but there may be some modifications
Bill
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Dave, put the '98 engine harness (pins 28, 30, 33, 45, 46, 54, 59, 67, 82, & 84 differ between 97 & 98) and '98 torque converter clutch solenoid ( .98-1.6 ohms for 97 vs 13-24 ohms for 98) on the '97 drive train.
Best of luck, Lucien
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So which is the preferred way - to use the 98 harness/PCM, along with swapping TCC solenoid, or just bring the 97 harness/PCM over to the 98? I'd actually prefer to use the 97 stuff, if possible.
Dave
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Dave, the engine harness has a 42 pin connector (C130) that connects with the cars wiring harness. This, like the PCM connector, has a slightly different pin setup from '97 to '98 so you want to match the PCM/Engine Harness/Car Harness. Put the '98 harness and '98 TCC solenoid on the '97 drive train in the '98 car.
Lucien


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