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05-17-2011
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#1 |
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Join Date: May 2004
Location: Finland
Posts: 123
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Coolant leak, Water pump?
My -90 ZR1 is leaking coolant. It comes a little by little from middle. There is coolant under car and today Low coolant light come on. Course it come from middle and my hoses and radiator are changed years ago. I think maybe its water pump.
Is ZR1 water pump different than others and how much it usually cost? Need to get this fixed ASAP. 
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05-17-2011
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#2 |
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Coolant leak, Water pump?
Mika,
Some of the guys have gotten water pumps from NAPA and Corvette Central and used them sucessfully. If I recall correctly, they are in the neighborhood of $200.00. I have not personally used those pumps. If you are not able to find one that can be shipped to you, I have one (1) OE pump left for sale, but it is more expensive than those i mentioned. Please see the JerrysGaskets.com website if you are interested.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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05-17-2011
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#3 | |
 
Join Date: Feb 2009
Location: Alexandria, Virginia
Posts: 1,467
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Re: Coolant leak, Water pump?
Quote:
Rich
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1990 Bright Red Coupe #608 380 Stroker, Ported Heads/Intake/Housings/TB Haibeck Secondary Delete Chip / Pete's Cams George Braml Intake / FIC Injectors Coated SW Headers / Corsa Bill Boudreau B/B ZF6 / Viper 4.10 gears Ron Davis Radiator Pioneer AVIC-Z140BH NAV Fikse FM5's 285 / 335 / C6 Brakes WAZOO Member |
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05-17-2011
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#4 |
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Join Date: May 2004
Location: Finland
Posts: 123
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Re: Coolant leak, Water pump?
150USD doesnt sound bad at all. I have seen 400USD at Ebay etc.
I think pump is orginal and car has now 126 000km. |
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05-17-2011
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#5 |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Coolant leak, Water pump?
Before you replace the pump. Check to make sure all the bolts are tight. The pumps are aluminum and tend to loosen over time. You just never know you might get lucky.
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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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05-17-2011
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#6 |
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Join Date: May 2004
Location: Finland
Posts: 123
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Re: Coolant leak, Water pump?
Thank you
I call service first thing tomorrow. |
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05-18-2011
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#7 |
Join Date: Aug 2008
Location: Houston 90 Red ZR-1
Posts: 2,320
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Re: Coolant leak, Water pump?
Mika I had to replace my water pump also on my 90. Mine started out as a small leak and toward the end it turned into a raging flood gushing out. Check with a mirror to see if coolant is leaking out of the hole on the underside of the pump.
 I got my pump from corvette central with gasket for $199.  I decided to go with Samco hoses. Im still waiting on the hoses. They wont be here till june when the temperature will be 104 degrees 85% humidity. I just can't wait. |
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05-18-2011
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#8 |
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Join Date: May 2004
Location: Finland
Posts: 123
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Re: Coolant leak, Water pump?
I am at Corvette service now. New pump cost 480 euros
 Good that they have Pump and I got time so fast. But it's very expensive I guess it's original part. Don't know how there is so big difference at Prizes. |
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05-18-2011
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#9 |
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Join Date: May 2004
Location: Finland
Posts: 123
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Re: Coolant leak, Water pump?
Total cost 813 euros
 Pump, new belt and coolant. I sit there 4 hours
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05-18-2011
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#10 | |
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Join Date: Jul 2009
Location: Redding Calif
Posts: 223
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Re: Coolant leak, Water pump?
Quote:
 DAMN! That's a lot of money in anyone's currency.
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1994 ZR-1 # 0102...SOLD |
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