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02-26-2018
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#1 |
Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,079
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Oil pressure guage jumping around.
This only happens at highway speeds,is this the sending unit going out and is it the sender on the oil filter housing?
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02-26-2018
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#2 |
  
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Oil pressure guage jumping around.
I would change out the Dash Gauge Sensor......you did not say what the readings were?
Jerry's Oil Pressure Sensor Dash Gauge Easy to remove and easier to install. I think Channel Locks as it is like 1/4 inch pipe thread. 27 mm Open End wrench will fit also  
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Left Clickable links -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 02-27-2018 at 12:47 AM. |
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02-26-2018
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#3 |
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Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,079
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Re: Oil pressure guage jumping around.
Thanks Cliff now where can I find the socket to remove it and where can I find the sender?
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02-27-2018
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#4 |
Join Date: Oct 2004
Location: Folsom CA
Posts: 1,655
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Re: Oil pressure guage jumping around.
Jerry's Gaskets for the Oil Pressure sender:
http://www.jerrysgaskets.com/search....sensor&x=0&y=0
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TomC '90ZR1 #792 Honorary Pirate [B]If it ain't FUN, you're doing something terribly WRONG. [/B] |
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02-27-2018
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#5 |
Join Date: Mar 2006
Location: Olive Branch,MS
Posts: 291
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Re: Oil pressure guage jumping around.
My 95 use to jump around and it was the oil pressure switch. The plastic part had come loose from the Big nut it connects to. Changed switch and had proper readings.
Good Luck. 
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02-27-2018
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#6 | |
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Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Oil pressure guage jumping around.
Quote:
Removing Oil Pressure Switch TIPS Paul Workman removed the Oil Filter Adapter with great success to get at the Oil Pressure Switch 
__________________
Left Clickable links -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 02-27-2018 at 01:32 PM. |
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02-27-2018
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#7 |
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Join Date: Jan 2012
Location: Dallastown, PA
Posts: 189
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Re: Oil pressure guage jumping around.
Be sure to buy from Jerry. I tried two different ones acquired locally from nationwide retailers and both were junk. In both cases they had been calibrated incorrectly or not calibrated at all. The one I bought from Jerry worked properly every time. Jim
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02-27-2018
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#8 | |
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Join Date: Mar 2006
Location: Olive Branch,MS
Posts: 291
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Re: Oil pressure guage jumping around.
Quote:
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02-27-2018
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#9 |
   
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Oil pressure guage jumping around.
I think I have replaced three of these on the 91 in 12 years. The failure rate is high on these. I remember the one time the gauge dropped to zero and I shut the car off immediately. The last two failures were the waggity needle failure.
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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03-02-2018
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#10 |
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Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,079
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Re: Oil pressure guage jumping around.
Thanks for the info everybody,I’ll have to get in touch with Jerry for the part and the socket.
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