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Old 07-18-2014, 12:39 PM
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Will this hurt my newly rebuilt 2004R?

I just rebuilt my engine and need to break in the cam. I also have a newly rebuilt 2004R behind it that I just installed. Will it hurt the transmission if I run the engine at 2000rpm for 20 minutes while the trans is in park? I have heard different stories about these transmissions being critical on initial use. I have about 2 quarts of fluid in the converter already and will put more in the trans but I think it may pump dry while the engine is breaking in.
Advise please.

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Old 07-18-2014, 12:43 PM
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trans must be full of oil during operation.

Would you run an engine low on oil? Same principle
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Old 07-18-2014, 01:02 PM
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Quote:
Originally Posted by Crosley View Post
trans must be full of oil during operation.

Would you run an engine low on oil? Same principle
I know very little about automatics. So even if the trans is in park then the pump is pumping oil throughout the transmission?
How many quarts would you think a 2004r would take if its completely dry except a couple of quarts in the converter?
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Old 07-18-2014, 01:11 PM
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Simply fire up the engine and add transmission fluid.

Doesn't seem that difficult.
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Old 07-18-2014, 02:31 PM
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You could install a psi gauge on the transmission line to keep an eye on things. If the gauge pressure gets to low start pouring in fluid. Have a funnel in the dipstick ready to go.
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Old 07-18-2014, 03:26 PM
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Holds 11 qts from dry. I would put in 4 or 5, start it and put in 5 more. Someone helping with either keeping the rpms up or filling the transmission would be helpful. You already have 2 in the converter so deduct that from the 11 total.
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Old 07-18-2014, 05:01 PM
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Quote:
Originally Posted by 56don View Post
I know very little about automatics. So even if the trans is in park then the pump is pumping oil throughout the transmission?
How many quarts would you think a 2004r would take if its completely dry except a couple of quarts in the converter?
The engine spins the converter.

The converter spins the pump on the transmittin.

When the transmittin has little oil, the pump is running metal to metal. This Burns the pump up, also damages the converter.

A few hundred $$ in repairs
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Old 07-19-2014, 11:07 AM
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Originally Posted by T-bucket23 View Post
Holds 11 qts from dry. I would put in 4 or 5, start it and put in 5 more. Someone helping with either keeping the rpms up or filling the transmission would be helpful. You already have 2 in the converter so deduct that from the 11 total.
this...

you should always have a few buddies around.. anyways..

it helps find leaks, watch oil psi, water temp.. and grab a fire ex. if needed..
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Old 07-19-2014, 11:18 AM
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good tranny pick. I prefer that over the 700 r4. Their right, tranny has to have lubrication. Run it in every gear for a second or two to get it in every were. Then check fluid level. Make sure to check it several times.
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Old 07-19-2014, 11:41 AM
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this...

you should always have a few buddies around.. anyways..

it helps find leaks, watch oil psi, water temp.. and grab a fire ex. if needed..

Gotta have somebody to open beers.
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Old 07-19-2014, 06:25 PM
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Gotta have somebody to open beers.
Unfortunately, I don't have any buddies, I have to open my own beers. But then I get to drink them all too.... ☺
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Old 07-20-2014, 10:46 AM
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I did a new engine and 2004r install a few years back. Trans and converter holds 11 quarts. I think I poured 3 or 4 into the converter and stabbed it on to the trans then attached to engine. Once installed put another 5 quarts in the trans. On first start up I just got the new engine to idle at around 1200 rpm. Checked timing and add trans fluid till it showed on the dip stick. This didnt take more than a few minutes. Shut the engine off and checked for leaks and such. Then went with the cam manufacture break in spec. No problems with the trans or the engine. Hope you have good luck with the new power plant
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Old 07-20-2014, 11:52 AM
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You didn't go with the cam manufacturer break in spec if you were at 1200rpms for a couple minutes on initial startup.
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Old 07-20-2014, 12:06 PM
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I take it that the O.P.'s concern is not wanting to idle a new engine during break-in while checking and filling the trans. There is a VERY easy solution to this. Unbolt the converter from the flexplate and push it back into the bellhousing. Break in the engine. Reassemble, then worry about the trans. Note that you should have the rear wheels off the ground when you are checking and filling a newly rebuilt trans.
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Old 07-20-2014, 04:23 PM
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Quote:
Originally Posted by joe_padavano View Post
I take it that the O.P.'s concern is not wanting to idle a new engine during break-in while checking and filling the trans. There is a VERY easy solution to this. Unbolt the converter from the flexplate and push it back into the bellhousing. Break in the engine. Reassemble, then worry about the trans. Note that you should have the rear wheels off the ground when you are checking and filling a newly rebuilt trans.

This is what I did. Thanks
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