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2004.5, 4x4, ATS built 48RE, 194kmiles, BBI Stage 0.5 w/8-hole nozzles, Original owner. I have exhaust manifold leaks on Cyls 1 & 6 and decided to replace it. While doing so I also removed and inspected/disassembled my stock Holset HE351CW turbo. Turns out the exhaust manifold was not cracked...

Hey all, Haven't posted in a long time. I was going through some of my data and I thought I'd post some numbers for my compression test that I performed in 2019 (when I installed new injectors). This information is mainly for reference and includes a lot of parameters that I thought would be...

The Problem: As the subject states my 48RE, built by ATS approximately 87k miles ago, has developed an issue where is pulls the engine RPM way down and nearly stalls the engine. This only occurs when it’s been sitting for a while, ~12 hours or more, and the engine and transmission are cold or...

I've been using my Smarty Touch to data log some operating parameters. Of concern is my rail pressure at idle. Truck idles fine and runs good but has a slight knock, as in timing knock sound, at idle. Its minute but present. When I shift from park to drive the Actual Rail Pressure (red trace)...

A boost leak condition can be hard to identify if they are somewhat small. I found three leaks yesterday and I was able to fix all by re-aligning the boots on the charge air pipes. I'd characterize the boost leaks I had by the following: Squealing noise during moderate (10psi) to high-boost...

Hello, been a while since I've posted. Placed an order for the subject items and was wondering, for a stock truck with the new mods, what Smarty software people have been using while towing ~10k? Setup: Stock engine with 165k mi. Stock HE351 ATS built 48RE In-tank lift pump (replaced under...

Hello, need some help. I've been reading up on the P1652 code "short to ground on the J1850" which deals with the PCI Bus and I have a very specific question: If D25 (PCI BUS) is shorted to ground will the vehicle stop running? Otherwise if a "module" connected to PCI Bus (i.e. gauge cluster or...

I have a vibration at 70 MPH which blurs the traffic I see in the rear-view mirror. Under 70 MPH seems to be fine, but not perfect. When I remove the front driveshaft the vibration goes away completely up to 104MPH - smooth as silk. I had the front driveshaft rebuilt; when I re-installed...

Does anyone know where I can buy a new front axle (AAM 9.25) ring and pinion with 3.73 ratio for my 2004 ram 2500? AAM discontinued the gears and no longer sells them, it also appears that Yukon does not sell them either. Does anyone know why? AAM sells a 2007+ front ring and pinion (3.73...

WTB - NEW Ring and Pinion for 2003-2006 Ram 2500 Front axle with 3.73 ratio (AAM 9.25) Prefer AAM gear set. Please PM me if you can have or can find one.

Hello, In the process of replacing my ball joints on my 2004.5 Ram 2500 QC, LB, at 135k mi. The OEM ball joints are still in good shape and feel smooth; however, since I'm in the process of repalcing a slew of front end parts (wheel U-Joints, unit bearings, front pinion seal, etc) I'm goint...

Hello, I'm chasing down my dreaded 70 MPH vibration on my 2004.5 long-bed quad-cab automatic Ram 2500. The vibration disappears when I remove my front driveshaft. I'd like to borrow a known good working/non-vibrating front driveshaft from someone in the Golden CO area to swap in and perform a...

A question for TDR members. I noted my T-case front output shaft has radial play and my front driveshaft had some vibration. I took apart the t-case and found both front and rear output bearings had spun in the case. I could grab the outer bearing race and spin by hand. About 3-5 thou...

I have a 2004.5 Auto. The cruise control works on flat ground, but when I hit/hold "accel" or come upon a hill the cruise control disengages and will not operate again until the truck it turned off and back on (one key cycle). To clear the air, the 2004.5 Automatic trucks have a vacuum pump and...

2004. 5 QC, LB, 2500 auto with a front driveshaft vibration. Below is a summary of how I arrived at this conclusion. Question: I swear I've seen a front driveshaft that had actual CV joints at both ends (no cardon joint, just two CV's like a front wheel drive car), was wondering if anyone...

2004. 5 2500, QC, LB 4x4. I have an issue which i believe is rooted in the transmission. It goes like this... 1. ) From a dead stop, transmission warm (140+ degrees), apply throttle lightly, truck moves forward 5 to 10 feet then a small jolt is felt like something is deciding to engage fully...