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Search: Posts Made By: TransEngineer
Forum: 5.7L V8 Specific Topics Today, 07:37 AM
Replies: 8
Views: 13,845
Posted By TransEngineer
The official recommendation is for a simple pan...

The official recommendation is for a simple pan drop and filter change. I cannot give you a recommendation either way for a "power flush" since I am not familiar with the details on how these...
Forum: 5.7L (345 cu in) HEMI V8 Specific Topics 04-18-2015, 08:44 AM
Replies: 4
Views: 103
Posted By TransEngineer
OK, that clarifies things. I can't think of...

OK, that clarifies things.

I can't think of anything in the transmission that would cause a "lack of power." But one possibility could be the torque converter. One element in the converter is...
Forum: 5.7L V8 Specific Topics 04-17-2015, 02:47 PM
Replies: 13
Views: 177
Posted By TransEngineer
That shouldn't be a problem, assuming it was...

That shouldn't be a problem, assuming it was reasonably clean.
Forum: 5.7L V8 Specific Topics 04-17-2015, 07:31 AM
Replies: 13
Views: 177
Posted By TransEngineer
P0876 is a UD Pressure Switch Rationality fault,...

P0876 is a UD Pressure Switch Rationality fault, which indicates a loss of pressure in the UD clutch passage. That would match up with the P0732 and P0733 (Gear Ratio Error in 2nd / 3rd) faults. ...
Forum: 5.7L (345 cu in) HEMI V8 Specific Topics 04-17-2015, 07:27 AM
Replies: 4
Views: 103
Posted By TransEngineer
When trans is in limp-in (direct gear only), it...

When trans is in limp-in (direct gear only), it will indeed feel super sluggish from a stop. Do you know what fault codes were set?
Forum: 2014 Dodge Ram Forum 04-17-2015, 07:25 AM
Replies: 6
Views: 286
Posted By TransEngineer
Yeah, you need the dealer to read the TCM / GSM...

Yeah, you need the dealer to read the TCM / GSM (Gear Shift Module) faults to see what's up.

I am not an expert on the 8-speed, but with the "stop and shift to Park" message, I would suspect there...
Forum: 5.7L V8 Specific Topics 04-16-2015, 03:23 PM
Replies: 13
Views: 177
Posted By TransEngineer
So, no short to ground then? You probably don't...

So, no short to ground then? You probably don't need to bother checking all the other circuits. P0750 is related to the LR circuit, and it sounds like that measures OK. If the main 12V wire is OK...
Forum: 5.7L V8 Specific Topics 04-16-2015, 07:15 AM
Replies: 8
Views: 13,845
Posted By TransEngineer
How long did you let it drain for? A typical pan...

How long did you let it drain for? A typical pan drop on an RFE does indeed require about 6-1/2 quarts to refill, but if you let it drain for a long time, you can get up to half of the fluid in the...
Forum: 5.7L V8 Specific Topics 04-16-2015, 06:41 AM
Replies: 13
Views: 177
Posted By TransEngineer
Yes, the wire to pin 10 on the trans is the main...

Yes, the wire to pin 10 on the trans is the main 12V power feed to the trans and PCM. It is directly connected to three different pins on the PCM, and then since it feeds all the solenoids in the...
Forum: 5.7L V8 Specific Topics 04-15-2015, 07:41 AM
Replies: 11
Views: 181
Posted By TransEngineer
Maybe get a scan tool that displays current and...

Maybe get a scan tool that displays current and target gear, TCC state, and throttle position reading. That would let you see exactly what's going on.
Forum: 5.7L V8 Specific Topics 04-15-2015, 07:38 AM
Replies: 13
Views: 177
Posted By TransEngineer
If you don't want to monkey around looking for...

If you don't want to monkey around looking for the bad spot, just replace the entire wire with a new one. Doesn't even have to run inside all the conduit, etc. Just cut the existing wire near each...
Forum: 2010 Dodge Ram Forum 04-15-2015, 07:32 AM
Replies: 1
Views: 93
Posted By TransEngineer
Do you get the noise right before EVERY shift, or...

Do you get the noise right before EVERY shift, or only certain ones? Is it only at certain throttle openings, or all the time (whether light or heavy throttle)? Does it happen at a particular...
Forum: 4.7L PowerTech V8 Specific Topics 04-14-2015, 07:18 AM
Replies: 1
Views: 67
Posted By TransEngineer
Step one would be to have your dealer quicklearn...

Step one would be to have your dealer quicklearn the trans (they do this using a scan tool). This resets and re-learns all the Clutch Volume Index (CVI) values, and may therefore correct the problem.
Forum: 5.7L V8 Specific Topics 04-14-2015, 07:15 AM
Replies: 11
Views: 181
Posted By TransEngineer
I suspect the TCC is unlocking due to throttle...

I suspect the TCC is unlocking due to throttle backout as you crest the grade. So probably normal in that regard. Try driving with your foot (no cruise control) and hold the throttle steady as you...
Forum: 5.7L V8 Specific Topics 04-13-2015, 02:49 PM
Replies: 20
Views: 3,804
Posted By TransEngineer
52119435AF is the white-connector solenoid module...

52119435AF is the white-connector solenoid module and will work on any RFE-series transmission.
Forum: 5.7L V8 Specific Topics 04-13-2015, 11:43 AM
Replies: 11
Views: 181
Posted By TransEngineer
I don't think so. Trans shift pattern is based...

I don't think so. Trans shift pattern is based on throttle angle, so there has to be some way for the PCM to know what the throttle angle is. That would be from the TPS reading.
Forum: 5.7L V8 Specific Topics 04-13-2015, 07:13 AM
Replies: 20
Views: 3,804
Posted By TransEngineer
The solenoid module (aka solenoid pack) is common...

The solenoid module (aka solenoid pack) is common between 545RFE and 68RFE, so the short answer is that a 68RFE solenoid module will work in a 545RFE (and vice versa). Note, however, that the...
Forum: 5.7L V8 Specific Topics 04-11-2015, 07:02 AM
Replies: 11
Views: 181
Posted By TransEngineer
Not really. With no faults, I'd assume (if it...

Not really. With no faults, I'd assume (if it really is going in and out of lockup) that the PCM is commanding that, for some reason. So not likely a trans / converter problem.

Maybe a dealer...
Forum: 5.7L V8 Specific Topics 04-10-2015, 07:36 AM
Replies: 13
Views: 177
Posted By TransEngineer
P0706 (Trans Range Sensor Rationality) means the...

P0706 (Trans Range Sensor Rationality) means the PCM read an invalid PRNDL code from the trans range sensor. This is usually due to a wiring problem / poor connection. But this is the least of your...
Forum: 5.7L V8 Specific Topics 04-10-2015, 07:16 AM
Replies: 11
Views: 181
Posted By TransEngineer
Are you sure of what you have? I don't believe...

Are you sure of what you have? I don't believe the 5.9L engine (nor the 47RE trans) was offered in 2007 MY. You likely have the 5.7L Hemi engine with 545RFE trans (no governor pressure sensor /...
Forum: 2012 Dodge Ram Forum 04-06-2015, 07:27 AM
Replies: 3
Views: 276
Posted By TransEngineer
Offhand, I wouldn't think it would be...

Offhand, I wouldn't think it would be transmission-related. The trans should be in 1st gear (with TCC unlocked) when taking off from a stop, and should remain in that state until the 1-2 upshift. ...
Forum: 5.7L V8 Specific Topics 04-05-2015, 08:26 AM
Replies: 17
Views: 1,318
Posted By TransEngineer
All of the RFE solenoids are contained within a...

All of the RFE solenoids are contained within a single module (the "solenoid pack", sometimes referred to as simply the "solenoid" although it actually contains 6 or 7 individual solenoids). So you...
Forum: 2012 Dodge Ram Forum 04-04-2015, 08:03 AM
Replies: 6
Views: 324
Posted By TransEngineer
I don't quite follow what you're saying here. ...

I don't quite follow what you're saying here. Did you think that downshifting 4-2P will mess up the transmission? (It shouldn't).
Forum: 2011 Dodge Ram Forum 04-03-2015, 07:48 AM
Replies: 68
Views: 18,309
Posted By TransEngineer
Stock stall speed for a 2012 5.7L truck with...

Stock stall speed for a 2012 5.7L truck with 65RFE trans should be about 2340 RPM.

I don't have a copy of the converter performance curve for the R/T model, so I can't calculate the R/T stall...
Forum: 2012 Dodge Ram Forum 04-03-2015, 07:39 AM
Replies: 6
Views: 324
Posted By TransEngineer
I would say probably, yes. I would have to look...

I would say probably, yes. I would have to look up the specific shift calibration, and calculate output speed at 65 mph (based on your tire size and axle ratio) to confirm that for sure. But my gut...
Showing results 1 to 25 of 500

 
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