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09-21-2011
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#1 |
 
Join Date: Apr 2009
Location: Tokorozawa-City,Saitama,JAPAN
Posts: 19
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Transmission problem:Please help!
A gearbox of my friend's '93 ZR-1 did not work definitely.
He can't put it in First gear and second gear.About this problem, the solenoid which controlled 1 to 4 of the gearbox regarded us as a cause. However, I do not think that He can't send Gear to first and second, because a solenoid breaks down. I thought that I might be due elsewhere. I thought about whether it would not be the serious trouble in more gearboxes. I looked for the thread about this problem, but I was not able to find it. Please please help to solve this problem. |
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09-21-2011
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#2 |
 
Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
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Re: Transmission problem:Please help!
It is difficult to understand the problem.
I doubt the 1 to 4 solenoid is the problem. (It is called CAGs) Please tell me. Are the other gears shifts ok? 1 NG ? 2 NG ? 3 OK ? 4 OK ? 5 OK ? 6 OK ?
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Scott  Vett owner since 1979._It's about the car and the people |
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09-21-2011
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#3 |
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Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
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Re: Transmission problem:Please help!
Also does it go into reverse ok?
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Scott Vett owner since 1979._It's about the car and the people |
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09-21-2011
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#4 |
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Join Date: Apr 2009
Location: Tokorozawa-City,Saitama,JAPAN
Posts: 19
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Re: Transmission problem:Please help!
Dear Mr.scottfab>
Thank you for your quick reply. Yes. His ZR cannot send Gear to only first gear,second gear. And shift lever does not fall down to 1,2gates. 3,4,5,6,and reverse are all right. 1 NG 2 NG 3 OK 4 OK 5 OK 6 OK R OK Thanks for your help. Kenji. |
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09-21-2011
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#5 |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,153
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Re: Transmission problem:Please help!
Sounds like a bad clutch master cylinder or bad slave master cylinder.
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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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09-21-2011
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#6 |
 
Join Date: May 2005
Location: Georgia Mountains
Posts: 926
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Re: Transmission problem:Please help!
Check your clutch fluid ... I recently replaced both the slave & master cylinders because of a slow leak (slave was bad). If you do have a leak, consider replacing both slave & master at the same time.
George |
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09-21-2011
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#7 |
Join Date: Mar 2004
Location: Found Member
Posts: 4,346
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Re: Transmission problem:Please help!
Order the master and slave here :
http://www.zfdoc.com/ And don't use the car untill it's fixed. If you do use the car the fix will cost much more.
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Frank Urbo. NCM Lifetime member # 982 Registry Founding # 237 |
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09-21-2011
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#8 |
 Join Date: Sep 2011
Location: montgomery tx
Posts: 65
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Re: Transmission problem:Please help!
Sounds like a clutch and slave cylinder problem i would also check the oil in trans to see if there is debris or contaminants hope this helps.
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09-21-2011
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#9 |
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Join Date: Jun 2009
Location: I live at Devens, one run at a time
Posts: 455
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Re: Transmission problem:Please help!
If the 1-4 solenoid stuck at 4th gear position this could cause the "shifter won't move to 1-2 gate". I (thankfully) have not had to look at that, but how hard is it to remove the solenoid?
Good luck, - Jeff
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[I]91 ZR-1 #1840, autocrossing in SCCA BSP. FIC S/S's DRM chip/Watson/Borla/lid/LW batt&headlights, springs, shocks, pads & lines, quick rack & Turn One, camber brace, 32/22mm sways, A/C halfway deleted 17x11 & 12 CCW's, 315 & 335 Hoosier A6s [/I] |
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09-21-2011
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#10 |
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Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
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Re: Transmission problem:Please help!
Kenji, I certainly agree with others you should check the master and slave cylinder as well as fluid level however, based on what you have described you may have lost the 1 & 2 gear synchro.
Unfortunately if this is true, it is not easy to fix. I have rebuilt the ZF6 transmission before. It is doable but you must be brave and make sure you have the a 10 or 20 ton press available. I can point you at a CD that walks you through the process if a rebuild becomes necessary. I hope the cyclone now in Japan is not where you are.
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Scott Vett owner since 1979._It's about the car and the people |
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