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Paccar engine have 5 faults

Customer Question
Paccar engine have 5 faults
Submitted: 1 year ago.Category: Medium and Heavy Trucks
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Answered in 5 hours by:
3/17/2016
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago
Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,397
Experience: ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
Verified

My name is ***** ***** I will assist you.

The only time I see those code together is when the EGR valve is bad.

I would pull it and try cleaning the soot out of it first. If it is sticky, even a little bit, replace it.

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Customer reply replied 1 year ago
Ok sir I will replace tomrorow
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

Let me know the result.

Thanks.

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Customer reply replied 1 year ago
Can I get location of egr please last 6 vin 332546 paccar mx13 epa10
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

On the passenger side of the engine, you will see a long pipe. Just under that is a smaller pipe that goes to a square box valve. That is the EGR.

CLICK HERE and go to the bottom, last page. You will see the breakdown of the engine showing the EGR valve location.

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Customer reply replied 1 year ago
This is a diffrent engine then the one I have engine sreial number is *****
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

That is what I had come up on Paccar site. Odd...

Let me check again.

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Customer reply replied 1 year ago
I've been having a lot of hard time with paccar hard truck to get info on and very different engines
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

Look at this picture.

See where his hand is? That is the EGR cooler. Then you have that brass looking pipe going to the left to that box, that is the EGR. That box is what needs to be checked. That is the EGR valve.

When doing this repair, you will need a computer to program the EGR and you will need to send toe cooler out to be cleaned at a radiator shop. It will need to be checked for cracks as well because a crack is what makes the EGR go bad from the coolant getting into it.

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Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

It doesn't look different. Same engine, jsut different size.

See the pic I attached. I just marked the EGR on your engine.

If you are not that familiar with this engine, I highly suggest getting a workshop manual from Paccar for this engine before tackling the job to learn where the components are and to know the torques specs. You will need it if you never tackled a repair like this. Just a suggestion.

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Customer reply replied 1 year ago
Yea I hve the maunel but it's for a. Epa13 not a 10 and I've worked on nothing but Detroit but need to do these jobs on this paccar engine I got a contact with this customer and all his fleet is paccar engines
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

They are very similar to Cummins engines, if that helps. They just have some really weird torques and adjustments. Some are metric, some are standard. I don;t like them because of that.

The EGR valve will be somewhat simple. Pull the air filter to get it from the top so you don;t have to mess with the turbo to get room. Now if you are a big guy like I am, you may not have a choice, but some of the Peterbilt trucks you can access from the doghouse. Not all.

Drain the coolant, remove the lines, undo that brass pip clamps on both sides just enought to be loose on the right and enough to separate on the left. Then pull the 6 bolts holding the valve on and hit it with a hammer to break the metal seal (Paccar will use a sticky sealer to hold the seal in place at the plant) and the EGR valve should be free.

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Customer reply replied 1 year ago
Ok great thanks ! And yea lucky I am a small guy I can get in tight spaces lol.. Ok so does the egr really have to be program or calibrated ?
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

Sometimes on these engines, yes. You have to do the counts calibration like you would on the Detroit engines. Most times I install the EGR, reset the codes, run a regen and the calibration is done with the learn from doing the regen. There are those random times I have to do a rest on the counts to get the codes to clear out. If your tool can do that, then you are good to go. It doesn;t need programming ability or anything. Same read/write level as a level 1 for regen will activate the counts reset.

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Customer reply replied 1 year ago
understood i took it off and it was stuck i banged it and its loose now the price on this thing is $2500 plus core i have to wait to confirm with customer . also the Shaft has play forward and backward is that normal?
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

If it is the forward and backward like I'm thinking, no. There shouldn't be play.

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Customer reply replied 1 year ago
like pushing it ! not side to side it seems like the erg valve separates from the actuator do they sell it sepreratly
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

It separates, but they don't always sell it separate. That's where Paccar puts the hurting to people.

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Customer reply replied 1 year ago
great my customer almost had a heart attack with the price ! keep you posted
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

Ask Paccar for just he EGR side and for a brekadown to be sent to you with part numbers/pricing.

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Customer reply replied 1 year ago
Ok sir will do
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

Have a great night!

Let me know the result!

Thanks

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Jeremy
Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,397
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Experience: ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

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