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Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 8438
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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Need help with Tripac apu, Frightliner col 2007 Detroit, I

Customer Question

Need help with Tripac apu
JA: What's the make/model/year of your truck? Engine type?
Customer: Frightliner col 2007 Detroit
JA: Are you fixing your truck yourself? What have you tried so far?
Customer: I changed oil, changed the fuel/water separator...the apu will crank, but it won't start.
JA: Anything else you want the truck mechanic to know before I connect you?
Customer: no
Submitted: 4 months ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 4 months ago.

Hi I'm Wayne

I will help you with this

did you fill the fuel filter before installing it

do you have any codes

Customer: replied 4 months ago.
I did.
Expert:  Wayne replied 4 months ago.

Hi

do you have any smoke cranking it over

do you have any codes

Expert:  Wayne replied 4 months ago.

Hi I see you requested a phone call

I can not call at this time

Ja charges a extra $26.00 for the call

we can work from here

Customer: replied 4 months ago.
Yeah I got grey smoke, its feels like it want to start, but all it does is cranking
Customer: replied 4 months ago.
I cleared the code by pressing the button under the bed
Expert:  Wayne replied 4 months ago.

Thank you for that

did you bleed the injectors

I suggest to do that

Customer: replied 4 months ago.
I have it have primer? how do I go about doing that..with pics plz if possible. Thanks
Expert:  Wayne replied 4 months ago.

I have no pics

on the side of the injector pump is a bleed screw

it is10 mm, with a slot on the head, loosen that

and use primer pump, to bleed out all air

or if you can not find that , loosen the injector lines

17 mm, ans crank over until you see no bubbles

just fuel, tighten down and start engine

I hope this helped you

Hi. If this helped you,

please remember to rate my answer 3 or more stars.

If more info is needed, use the reply button -

NOT THE POOR/BAD SERVICE

Expert:  Wayne replied 4 months ago.

Hi

Just a follow up with you

did my answer help you

I know you don't work for free

please rate my answer so I don't work for Free

Wayne

Customer: replied 3 months ago.
Sorry Wayne, just got off work. But I spent my Sunday priming that apu and nothing happened, the fuel didn't come out. Its still cranks over and over, but it won't start. Not sure what else to do, I will not have time to touch it again till Thursday. Let me get a hold of u then.
Expert:  Wayne replied 3 months ago.

Hi

That is fine,

are you getting any grey smoke while cranking

we can start to check more things as you get time

Customer: replied 3 months ago.
it has grey smoke. I was thinking, there is a nut right on top of the fuel pump. Can I remove it and manually add fuel there, while priming it?
Expert:  Wayne replied 3 months ago.

Hi

No .... that is the bleeder screw

did you loosen that and crank over to no bubbles a just fuel coming out

Customer: replied 3 months ago.
I did, no fuel is coming out....
Expert:  Wayne replied 3 months ago.

Thank you for that

that says the fuel transfer per pump has failed

Wayne

Expert:  Wayne replied 3 months ago.

Hi

Just a follow up with you

did my answer help you

let me know, please

Customer: replied 3 months ago.
Hello Wayne, I am waiting to buy Fuel Pump, I ordered online, it will be here sometime next week...it was too expensive at my local TK.
Expert:  Wayne replied 3 months ago.

HI

OK, Thank you let me know

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