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#1 |
![]() Join Date: Apr 2017
Location: Missouri
Posts: 46
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With the key in the On position the vacuum pump keeps running. Occasionally it stops for a second and then keeps running. Is it supposed to stop? Does this mean I have a leak?
Thanks, Jim |
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#2 |
![]() Join Date: Aug 2006
Location: McLean, VA
Posts: 3,710
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Yes. You have a leak within secondary vacuum system most likely under the plenum.
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#3 |
![]() Join Date: Apr 2017
Location: Missouri
Posts: 46
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Thanks for confirming. Can't wait
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#4 |
![]() Join Date: Dec 2007
Location: NYC
Posts: 1,182
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Make sure you don't burn out the pump I would disconnect it till you fix the leak. I seen people asking as much as 400 for the pump
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90 Chevy ZR1 LPE #2315 'SOLD' 90 Chevy ZR1 LPE #2774 'SOLD' 91 Chevy ZR1 Callaway aerobody 91 Chevy ZR1 #1512 91 Chevy ZR1 #951 95 Chevy ZR1 #338 'SOLD' 91 BMW 850i 94 BMW 850csi 95 BMW 850csi 94 Lotus Esprit S4 07 Benz CLS550 06 BMW M5 "SOLD" |
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#5 | |
![]() ![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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#6 |
Join Date: Aug 2005
Location: Scottsdale, AZ
Posts: 2,450
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#7 |
Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,056
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The pump can be found new shipped to your door for less than $130,same pump used in a KODIAC KICK,direct bolt on for 91-95,plug is different for 1990. Anybody know the part number for the new solenoid valve?
Last edited by Z51JEFF; 06-18-2017 at 10:03 PM. |
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#8 |
![]() ![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Check with Jerry Downey @ Jerry's Gaskets.com
__________________
Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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#9 | |
![]() Join Date: Jul 2009
Location: Texas
Posts: 793
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FYI Paul there is a cheaper option https://www.stockwiseauto.com/a1-car...D=pwf386101g1& Dave Last edited by mgbrv8; 06-19-2017 at 02:44 PM. |
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#10 | |
![]() ![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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I assume you meant "cheaper" than Jerry's part. Otherwise I don't know how ya can get cheaper than eliminating all the secondary port throttles entirely! (is what I meant). Parts that don't exist don't cost much, and the never fail! Jerry sells a new OEM pump and is listed for ~ $176.00 The one on your link sells for $56.xx and says it is "remanufactured". Choices....
__________________
Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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