How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Joe Your Own Question

Joe
Joe, RV Technician
Category: RV
Satisfied Customers: 755
Experience:  Associates Degree in Automotive Technology , 18+ years as RV and Commercial Bus Technician
20245751
Type Your RV Question Here...
Joe is online now
A new question is answered every 9 seconds

88 CHEVY: FUEL PRESSURE REGULATOR..BEEN DISCONTINUED FROM GM DO U KNOW

Customer Question

I HAVE A 88 CHEVY CHASSIS.MY FUEL PRESSURE REGULATOR IS LEAKING.THE PART HAS BEEN DISCONTINUED FROM GM DO U KNOW OF A DIRECT REPLACEMENT OR WHAT IS MY SOLUTION.P-30 WINABAGO
Submitted: 4 years ago.
Category: RV
Expert:  Joe replied 4 years ago.
Hello , my name is Joel

I have read your post , and will do my best to help.

I have never been able to find a direct replacement for the original regulator (part # XXXXX) , but there are many aftermarket regulators available that will work - once the lines and fittings have been adapted.

Another option would be to disconnect the wires from the in-tank booster pump , and install a low pressure electric pump in place of the regulator. Use a "pulse" type aftermarket pump such as Facet that delivers about 5 psi.

3-5 psi of fuel pressure to the mechanical pump would be good. The Quadrajet carburetor will work best with about 3-5 psi at the inlet.

I hope this answers your question.

Please let me know if you still have any concerns on this issue.
Thank you
-Joel
Joe, RV Technician
Category: RV
Satisfied Customers: 755
Experience: Associates Degree in Automotive Technology , 18+ years as RV and Commercial Bus Technician
Joe and other RV Specialists are ready to help you
Customer: replied 4 years ago.
joel while im at it what psi should the boosterpump put out. and if i install the inline one do i wire it to the same wires that fed the booster pump originally.
Expert:  Joe replied 4 years ago.
Ok , that is a good question.

I am not sure how much pressure an unregulated in-tank booster pump will produce , but I suspect it is well above 4-5 psi. Probably more like 12-15 psi max. Being that it is unregulated , it will also vary slightly with load , voltage , temperature etc.........Fuel pressures above 6 psi at the carburetor can cause the engine to flood.

If the in-tank booster pump is working properly , then you should be able to use the same wires. The original booster pump electrical circuit uses a relay , and an oil pressure switch that shuts off the electric pump in case of an accident.

Thank you,

-Joel
Customer: replied 4 years ago.
JOEL IM PURCHASEING A HOLLY REG PART #1135 IT LOOKS LIKE THE EXACT PART ILL LET U KNOW HOW IT WORKS OUT THANKS THANKS PAUL FROM CALI
Expert:  Joe replied 4 years ago.
Sounds good , I hope it is an easy swap !
Customer: replied 4 years ago.

JOEL I JUST RECIEVED THE REGULATOR HOLLY#1135-1 TO 4 IT IS AN EXACT REPLACEMENT FOR MY COACH PASS IT ON.ALSO JUST THE DIAPHRAM CAN ALSO BE PURCHASED WHICH MAKES IT A CHEEP AND EASY FIX

 

Expert:  Joe replied 4 years ago.
Great news !

Thanks for the information !

-Joel

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV. Dutch USA
< Last | Next >
  • Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV. Dutch USA
  • Highly recommend this RV expert. Prompt, good and detailed answers were given. Very willing to help with genuine concern. I will ask for him next time. Jack USA
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
  • used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future. David L. Richmond, TX
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil Marysville, CA
  • Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible. Charles Walnut Creek, CA
  • As a single woman, I really appreciate an excellent and affordable opinion.
    Thank you Geordie, I will not hesitate to contact justanswer in the future!
    Sue Charleston, WV
 
 
 

Meet The Experts:

 
 
 
  • gene

    RV Mechanic

    Satisfied Customers:

    1100
    28 yrs exp in the industry
< Last | Next >
  • http://ww2.justanswer.com/uploads/barcoded06/2009-06-08_030842_gene.jpg gene's Avatar

    gene

    RV Mechanic

    Satisfied Customers:

    1100
    28 yrs exp in the industry
  • http://ww2.justanswer.com/uploads/unclebobsuncle/2009-02-19_010056_jaubu.jpg Nick's Avatar

    Nick

    RVIA Certification

    Satisfied Customers:

    655
    5 years RV repair and reconstruction, Fleetwood RV Training course completion.
  • http://ww2.justanswer.com/uploads/PR/PrimoTenora/2012-7-31_03315_Disneycool.64x64.JPG Steve F.'s Avatar

    Steve F.

    RVIA Certification

    Satisfied Customers:

    441
    Journeyman and Master RV technician, Mechanical & Aerospace Engineer. RVIA Technical Consultant
  • http://ww2.justanswer.com/uploads/rjgibbons408/2009-08-15_002559_scan001001.jpg Randall's Avatar

    Randall

    RVIA Certification

    Satisfied Customers:

    8162
    RVDA/RVIA Master Certified Technician with many years experience.
  • http://ww2.justanswer.com/uploads/gmplus72/2008-12-9_2615_just_answer.jpg Robert's Avatar

    Robert

    RV Mechanic

    Satisfied Customers:

    5678
    10 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
  • http://ww2.justanswer.com/uploads/Guest/2008-01-30_172341_image0.jpg RIP ROBERT's Avatar

    RIP ROBERT

    R.V. TECH & MECHANIC

    Satisfied Customers:

    401
    35 plus years HANDS ON WORK TROUBLE SHOOTING & REPAIRS
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka-Moose)'s Avatar

    Chris (aka-Moose)

    RV Mechanic

    Satisfied Customers:

    263
    16 years of experience
 
 
 
Chat Now With A RV Mechanic
Joe
Joe
RV Mechanic
755 Satisfied Customers
Associates Degree in Automotive Technology , 18+ years as RV and Commercial Bus Technician