What is fuel pressure on a 1997 5.7 gmc suburban

Dennis Mulford

• 1055 Answers
• Posted on Apr 23, 2009

SOURCE: fuel delivery

yes i had the same problem like too never found it but it was the fuel pressure regulator
and on that engine its located below the upper intake you have too pull it off too get too it!!!
it takes about two hours too do the job!!!

SOURCE: Need after-market injection pump, '97 Suburban 6.5 diesel

go to summit racing equipment and they should have one there. I had the same problem on my 1997 z-71

SOURCE: High Oil Pressure in a 1997 GMC Suburban

is the crankcase breather blocked

ZJ Limited

• 17989 Answers
• Posted on Mar 02, 2010

SOURCE: where is the fuel pressure regulator on a 99 gmc

5.7L And 7.4L Engines

1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure.
3. Remove the upper manifold assembly.
   NOTE If the fuel pressure regulator is to be reinstalled, inspect the filter screen (if equipped) for contamination. If the filter screen is contaminated, replace the regulator.
   
4. Disassemble the fuel pressure regulator snap ring retainer.
5. Disassemble the regulator assembly and the O-rings.
6. Discard the O-rings.
   
   Fig. Fuel pressure regulator
   

1. Lubricate the new O-rings with clean engine oil.
2. Install the backup O-ring, the large O-ring, the filter and the small O-ring.
3. Assemble the regulator with the vacuum tube pointing down into the snap ring retainer.
4. Install the upper manifold assembly.
5. Connect the negative battery cable.

SOURCE: what engine oil should I use for my 1997 GMC Suburban

I would use some Castrol High Mileage 10w/30 weight oil.