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4T65-E p1870 Sonnax repair kits

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Old 06-21-2006, 08:04 PM
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Default 4T65-E p1870 Sonnax repair kits

Hi,

I have a 97 Bonneville with the all too common p1870 error code. I am experiencing classic symptoms associated with the code. Is there any manual you can recommend for servicing the 4t65? If not I am assuming to access the valve body I remove the wheel cover on the driver side front wheel well and then remove the transmission access panel. From the quick look around I just did it looks like I won't have to drop the tranny but it will be a tight spot to work in. Any suggestions?

Thanks,
Rob
Old 06-21-2006, 08:47 PM
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The trans will have to be dropped out irregardless of model to gain access into that valve body.
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