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16:10:43 - 04/26/2024
V8 Dakotas
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cetris
Dodge Dakota
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3/02/2002
09:00:53
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 Subject: '00 QC Tranny Service
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Message:
I have a 2000 QC, 4.7L, 4X4, AT with 30,000 miles and need to get my transmission serviced. My owner’s manual says I should have the 45RFE tranny service (Maint Sched A) performed at 30,000 mile intervals. I have heard that the owner’s manuals for the ’01 and ’02 models state that the same (I think) 45RFE tranny now uses ATF+4 and that the service interval (Maint Sched A) is 100,000 miles instead of 30,000. Can anybody out there confirm if this is true for the ‘01 and ‘02 models? If so, can I have the ATF+3 in my '00 changed out and replaced with ATF+4 and increase the service interval to 100,000 miles?
I talked to two different local dealers about this and got two different stories…naturally. Dealer #1 says they use ATF+4 in all 45RFE transmissions now, regardless of model year. BUT, they do not do a complete transmission flush because the pressure required to perform the flush is much higher than normal operating pressures and can damage the torque converter. So, they only drain what is in the pan (about half of total in the tranny?), change the two filters, and top it off with ATF+4. They do not recommend extending the interval to anything greater than the original 30,000 miles stated in the owner’s manual for the ’00 trucks. Not what I wanted to hear.
Dealer #2 says that they do not want to mix ATF+3 and ATF+4 together- they would prefer to stay with whatever was in there from the factory. Also, they won’t do the complete system flush either. But there reasoning is that they don’t want to “disturb” the particles that have settled out in the torque converter, but would rather just leave them alone. Is think this guy is full of sh*t on both of these issues. No wonder I hate letting anyone work on my vehicles.
What do you think? What I really wanted to do was get some one to tell me that they would flush out the old ATF+3 and replace it with ATF+4, replace the filters, and I wouldn't need another tranny service for another 100,000 miles. Oh yea, both dealers wanted about $165 for the service without a flush.
Thanks in advance.
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dasman
Dodge Dakota
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3/02/2002
09:51:01
| RE: '00 QC Tranny Service
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Message:
I suggest talking to someone from dodge or taking it to a masterlube. The last time I was at my local dodge dealer I read a poster about some special process they have for flushing your tranny. Both masterlube and dodge will flush it, but I don't know if they will replace the ATF+3 with ATF+4. You'll just have to check it out for yourself.
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Sunburn
Dodge Dakota
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3/02/2002
19:43:34
|  RE: '00 QC Tranny Service
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Message:
Here's a link to a TSB on the subject:
http://dodgeram.org/tech/tsb/2001/21-006-01.htm
The bottom line is DC does not support extending the service intervals when ATF+4 is put into a tranny that originally used ATF+3. I don't know if there is a good technical reason for this or if the lawyers and beancounters in the warranty department had a say in it.
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