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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #1  
Old 1 Week Ago
Eagle1 Eagle1 is offline
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Join Date: Jan 2018
Location: Novi
Posts: 24
Default Fuel delivery the.

Has anyone had this fuel issue?

Seams that air is getting into the system, I believe it’s from the racor filter unit.

After I shut engine down , the Coach will not start from lack of fuel.
To get it started I must remove the screw on filter and fill with fuel.

I also have been going through filters Which did help.
I have purchached more racor filters but noticed they are 2M. Could this be restricting fuel? Should i try temporarily removing filter and see if there is a difference?

The PO told me it’s best to operate with over a half tank of fuel. My problem seams to get worse with less than half - fuel in the tank..

I have been unable to locate a new 900 racor filter or any parts.
E bay has one but does not have the heater or water sencor.
What would be a replacement for this system?

The raco filter shows vacuumed pressure when engine is off and fuel lines removed from filter. I suspect it is not accurate .

Is there a way I can access the fuel line going into the tank without removing ?
I have good reason to believe that my tank has debris/ rust.

Thank you for any help!

Marty
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Novi, Michigan
1984 PT 35 Gone Fishing
1987 PT 40 Whispering winds

Last edited by Eagle1; 1 Week Ago at 07:33 AM. Reason: more detail
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  #2  
Old 1 Week Ago
f.wernlein f.wernlein is offline
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Location: Woodbridge, VA.
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Racor filters for your 900 series unit are available in 30 micron at NAPA (#FIL3797) and West Marine (Racor #2040N30). 30M is the size to use for your initial filter IMO. 2 M is too restrictive. Filters come with new gasket/o-ring for the Racor lid.

Typically your engine mounted spin on final filter is 2 micron. You want to stay with a 2 micron as your final filter. If you do a # cross reference online you can find many brands...WIX, Baldwin, Fram...available at most auto/truck stores.

Both above can be found online in case lots at good prices over street retail.

I have a FC with the CAT3208...so can't offer much support as to other issue. It does sound that your losing prime...likely a fuel line leak or perhaps be a bad check valve somewhere in the fuel line system.
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  #3  
Old 1 Week Ago
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Bill Pape Bill Pape is offline
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Quote:
Originally Posted by Eagle1 View Post
Has anyone had this fuel issue?

Seams that air is getting into the system, I believe it’s from the racor filter unit.

After I shut engine down , the Coach will not start from lack of fuel.
To get it started I must remove the screw on filter and fill with fuel.

I also have been going through filters Which did help.
I have purchached more racor filters but noticed they are 2M. Could this be restricting fuel? Should i try temporarily removing filter and see if there is a difference?

The PO told me it’s best to operate with over a half tank of fuel. My problem seams to get worse with less than half - fuel in the tank..

I have been unable to locate a new 900 racor filter or any parts.
E bay has one but does not have the heater or water sencor.
What would be a replacement for this system?

The raco filter shows vacuumed pressure when engine is off and fuel lines removed from filter. I suspect it is not accurate .

Is there a way I can access the fuel line going into the tank without removing ?
I have good reason to believe that my tank has debris/ rust.

Thank you for any help!

Marty
Novi NAPA will find the filters & they make all the hydraulic or other special hoses. Filters are always cheaper online if you can wait. Michigan CAT can help but bring a high dollar credit card, Fleetpride is in New Hudson
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  #4  
Old 1 Week Ago
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Randy Dupree Randy Dupree is offline
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Racor stuff is not hard to find,good parts guys are hard to find.
But,a search here on wog would turn up many reports of the racor filter guage sucking air.
plug the 1/4'' copper line back at the racor and see if that helps.
OK,don't plug the line,plug where the line attaches to the racor.
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  #5  
Old 1 Week Ago
Eagle1 Eagle1 is offline
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Thank you,
I will try that later today.
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Novi, Michigan
1984 PT 35 Gone Fishing
1987 PT 40 Whispering winds
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