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<title>Home - All Categories - C4 Corvettes  - 1990 - 1995 Corvette ZR-1  </title>
<link>https://www.corvetteactioncenter.com/tech/knowledgebase/category/c4-corvettes/1990-1995-corvette-zr-1/87/</link>
<description>This RSS Feed contains Articles of Category in the knowledge base. You can click on the title to view its content. </description>
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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/gm-press-release-november-7-1996-chevrolet-lt5-impala-ss-tim-allen-s-way-of-saying-get-me-to-the-show-on-time-835.html</guid>
										<title>GM Press Release:  November 7, 1996:  Chevrolet LT5 Impala SS: Tim Allen`s Way of Saying &lsquo;Get Me To The Show On Time`</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/gm-press-release-november-7-1996-chevrolet-lt5-impala-ss-tim-allen-s-way-of-saying-get-me-to-the-show-on-time-835.html</link>
										<description><![CDATA[General Motors Media Press Release FOR RELEASE: November 7, 1996 CONTACT(S):&nbsp; Chevrolet/Geo Communications Phone:&nbsp; (800) CHEVY-MI or: (810) 492-8841 Fax: (810) 492-8853 Chevrolet LT5 Impala SS: Tim Allen's Way of Saying &lsquo;Get Me To The...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1995-corvette-service-bulletin-high-effort-shifting-into-gears-after-cold-soak-590.html</guid>
										<title>1995 Corvette: Service Bulletin: High Effort Shifting into Gears After Cold Soak</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1995-corvette-service-bulletin-high-effort-shifting-into-gears-after-cold-soak-590.html</link>
										<description><![CDATA[  Subject:  High Effort Shifting into Gears After Cold Soak (Contact Technical Assistance)   Model and Year:  1995 Chevrolet Corvette With 5.7L Engine (Vins J and P - RPOs LT5 and LT1) and 6-Speed Manual Transmission   Source:  Chevrolet Product...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1995-corvette-recall-high-shift-effort-into-reverse-gear-on-manual-transmission-592.html</guid>
										<title>1995 Corvette: Recall: High Shift Effort Into Reverse Gear on Manual Transmission</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1995-corvette-recall-high-shift-effort-into-reverse-gear-on-manual-transmission-592.html</link>
										<description><![CDATA[Subject: Product Campaign - High Shift Effort Into Reverse Gear on Manual TransmissionModel and Year: 1995 Chevrolet CorvetteSource: Chevrolet Product CampaignBulletin Number: 95-C-16To: All Chevrolet/Geo DealersGeneral Motors has determined that...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1994-1995-corvette-zr-1-wheel-touch-up-paint-477.html</guid>
										<title>1994 - 1995 Corvette ZR-1: Wheel Touch-Up Paint</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1994-1995-corvette-zr-1-wheel-touch-up-paint-477.html</link>
										<description><![CDATA[The correct color code for the 1994 - 1995 Corvette ZR-1 5-spoke wheels is Dupont #C9201 or GM #WH9819.

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1994-1995-corvette-zr-1-characteristics-of-a-l-dunn-cylinder-heads-478.html</guid>
										<title>1994 - 1995 Corvette ZR-1: Characteristics of A.L. Dunn Cylinder Heads</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1994-1995-corvette-zr-1-characteristics-of-a-l-dunn-cylinder-heads-478.html</link>
										<description><![CDATA[From Greg Van Deventer, Mercury Marine - October 18, 2000: "The A.L. Dunn cylinder heads have as cast intake and exhaust ports.&nbsp; All cylinder heads up to that point were from the same mold.&nbsp; The '90 - '92 cylinder heads were as cast, ...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1993-1994-corvette-service-bulletin-intermittent-asr-service-light-633.html</guid>
										<title>1993 - 1994 Corvette: Service Bulletin: Intermittent ASR Service Light</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1993-1994-corvette-service-bulletin-intermittent-asr-service-light-633.html</link>
										<description><![CDATA[Subject: INTERMITTENT ASR SERVICE LIGHT (REPLACE MEM-CAL)Model and Year: 1993-94 CHEVROLET CORVETTE WITH 5.7L ENGINE (VIN J - RPO LT5) AND MANUAL 6-SPEED (ML9) TRANSMISSIONSource: Chevrolet Service BulletinBulletin Number: 47-50-01CONDITION:SOME...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1992-corvette-zr-1-service-bulletin-lack-of-wide-open-throttle-engine-underpower-479.html</guid>
										<title>1992 Corvette ZR-1: Service Bulletin: Lack of Wide Open Throttle Engine Underpower</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1992-corvette-zr-1-service-bulletin-lack-of-wide-open-throttle-engine-underpower-479.html</link>
										<description><![CDATA[ Subject:  LACK OF WOT-LOW ENGINE POWER REVISED CABLE ADJUSTMENT PROC.   Model and Year:  1992 CORVETTE ZR-1 WITH 5.7L ENGINE AND MANUAL TRANSMISSION   Source:  Chevrolet Product Emission Campaign   Bulletin Number:  92-214A-7B - (07/01/1992) THIS...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1992-1996-corvette-tech-article-quietly-powerful-how-to-build-a-c4-lt1-4-5-exhaust-that-gains-28-hp-and-is-quiet-512.html</guid>
										<title>1992 - 1996 Corvette: Tech Article: Quietly Powerful: How to Build a C4 LT1/4/5 Exhaust that Gains 28 hp and...is Quiet</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1992-1996-corvette-tech-article-quietly-powerful-how-to-build-a-c4-lt1-4-5-exhaust-that-gains-28-hp-and-is-quiet-512.html</link>
										<description><![CDATA[Quietly Powerful: How to Build a C4 LT1/4/5 Exhaust that Gains 28 hp and...is Quiet  Text and Images by Hib Halverson  &copy;2003 Shark Communications  No Use Without Permission  &nbsp;           Click image for larger view    A Flowmaster cat-back...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1991-corvette-service-bulletin-loss-of-heat-cooling-control-672.html</guid>
										<title>1991 Corvette: Service Bulletin: Loss of Heat/Cooling Control</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1991-corvette-service-bulletin-loss-of-heat-cooling-control-672.html</link>
										<description><![CDATA[Subject: LOSS OF HEAT/COOLING CONTROL REVISED PROGRAMER AVAILABLE Model and Year:1991 CORVETTE WITH 5.7L ENGINESource: Chevrolet Service BulletinBulletin Number: 91-200-1A - (02/04/1991) Condition: On some vehicles the temperature of air coming from...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-service-bulletin-loss-of-heating-or-cooling-control-673.html</guid>
										<title>1990 Corvette: Service Bulletin: Loss of Heating or Cooling Control</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-service-bulletin-loss-of-heating-or-cooling-control-673.html</link>
										<description><![CDATA[Subject: Loss of Heating or Cooling Control - New ProgrammerModel and Year: 1990 CORVETTESource: Chevrolet Service BulletinBulletin Number: 90-378-1A - (10/25/1990)TO: ALL CHEVROLET DEALERSCondition:The customer may comment on a loss of heating or...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-service-bulletin-l98-and-lt5-revised-air-conditioning-control-circuit-diagnosis-722.html</guid>
										<title>1990 Corvette: Service Bulletin: L98 and LT5: Revised Air Conditioning Control Circuit Diagnosis</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-service-bulletin-l98-and-lt5-revised-air-conditioning-control-circuit-diagnosis-722.html</link>
										<description><![CDATA[  Subject:  REVISED AIR CONDITIONING CONTROL CIRCUIT DIAGNOSIS   Model and Year:  1990 CORVETTE WITH 5.7L L98 AND LT5 ENGINES   Source:  Chevrolet Dealer Service Bulletin   Bulletin Number:  90-400-6E   THIS BULLETIN CANCELS AND SUPERSEDES DEALER...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-recall-product-campaign-90c07-instrument-panel-wire-abrasion-565.html</guid>
										<title>1990 Corvette: Recall: Product Campaign 90C07 Instrument Panel Wire Abrasion</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-recall-product-campaign-90c07-instrument-panel-wire-abrasion-565.html</link>
										<description><![CDATA[  Model Year:  1990 w/ L98 or LT5 Engine   Subject:  Product Campaign 90C07 Instrument Panel Wire Abrasion   Source:  Chevrolet Dealer Product Campaign Bulletin   Number:  90C07   Section:  &nbsp; 8C   Date:  January, 1990   TO: ALL CHEVROLET DEALERS...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-recall-instrument-panel-wire-abrasion-repair-566.html</guid>
										<title>1990 Corvette: Recall: Instrument Panel Wire Abrasion - Repair</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-recall-instrument-panel-wire-abrasion-repair-566.html</link>
										<description><![CDATA[Subject: CAMPAIGN: INSTRUMENT PANEL WIRE ABRASION - REPAIR Model and Year: 1990 CHEVROLET CORVETTE W/ L98 OR LT5 ENGINESource: Chevrolet Service BulletinBulletin Number: 90-C-07 - (01/17/1990) General Motors has determined that certain 1990 Chevrolet...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-recall-inoperative-parking-brake-639.html</guid>
										<title>1990 Corvette: Recall: Inoperative Parking Brake</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-recall-inoperative-parking-brake-639.html</link>
										<description><![CDATA[Subject: CAMPAIGN: INOPERATIVE PARKING BRAKE Model and Year: 1990 CHEVROLET CORVETTESource: Chevrolet Service BulletinBulletin Number: 90-C-09 - (01/24/1990) General Motors has determined that certain 1990 Chevrolet Corvette model vehicles may...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-zr-1-service-bulletin-leaking-radiator-hose-service-480.html</guid>
										<title>1990 Corvette ZR-1: Service Bulletin: Leaking Radiator Hose Service</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-zr-1-service-bulletin-leaking-radiator-hose-service-480.html</link>
										<description><![CDATA[Subject: LEAKING RADIATOR HOSE SERVICE (REPLACEMENT OF RADIATOR HOSE)Model and Year: 1990 CORVETTE WITH 5.7L (VIN CODE J) ENGINESource: Chevrolet Service BulletinBulletin Number: 90-308-6B - (07/19/1990) TO: ALL CHEVROLET DEALERS Condition: Some of...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-zr-1-campaign-fuel-lines-may-crack-fuel-leak-481.html</guid>
										<title>1990 Corvette ZR-1: Campaign: Fuel Lines May Crack / Fuel Leak</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-zr-1-campaign-fuel-lines-may-crack-fuel-leak-481.html</link>
										<description><![CDATA[Subject: CAMPAIGN: FUEL LINES MAY CRACK/FUEL LEAK Model and Year: 1990 CHEVROLET CORVETTES WITH LT5 ENGINESSource: Chevrolet Service BulletinBulletin Number: 90-C-10 - (01/30/1990) The National Traffic and Motor Vehicle Safety Act, as amended,...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-zr-1-service-bulletin-engine-exchange-program-1018.html</guid>
										<title>1990 Corvette ZR-1:  Service Bulletin:  Engine Exchange Program</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-corvette-zr-1-service-bulletin-engine-exchange-program-1018.html</link>
										<description><![CDATA[ Subject:  &nbsp; Engine Exchange Program   Model and Year: &nbsp;  1990 Corvette with LT5 (VIN Code J) Engine   Source:&nbsp;  Chevrolet Dealer Service Bulletin    Bulletin No:&nbsp;&nbsp;  90-59-6    Section:  &nbsp; 6    Date:&nbsp;&nbsp;&nbsp; ...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-wheel-well-locating-the-panel-that-fits-in-the-rear-portion-of-the-right-front-wheel-well-488.html</guid>
										<title>1990 - 1995 Corvette ZR-1: Wheel Well: Locating the panel that fits in the rear portion of the right front wheel well</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-wheel-well-locating-the-panel-that-fits-in-the-rear-portion-of-the-right-front-wheel-well-488.html</link>
										<description><![CDATA[You won't find that GM discontinued part (discontinued in 1999) unless it's from someone parting-out&nbsp;or willing to sell a part of an assembly.SECRET:Try a non-ZR1 panel and retrofit it by drilling holes to attach a ZR1's control modules/relays...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-technical-article-lt5-secondary-port-operation-vacuum-diagnosis-482.html</guid>
										<title>1990 - 1995 Corvette ZR-1: Technical Article: LT5 Secondary Port Operation &amp; Vacuum Diagnosis</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-technical-article-lt5-secondary-port-operation-vacuum-diagnosis-482.html</link>
										<description><![CDATA[LT5 Secondary Port Operation &amp; Vacuum Diagnosis by Robert Loszewski  Copyright 2001   Before getting into diagnosing the LT5 engine's secondary port vacuum system, I thought it would be a good idea to take this opportunity to clear up a few...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-diagnosing-low-tire-pressure-warning-system-codes-5.html</guid>
										<title>1990 - 1995 Corvette ZR-1: Diagnosing Low Tire Pressure Warning System Codes</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-diagnosing-low-tire-pressure-warning-system-codes-5.html</link>
										<description><![CDATA[The following article appeared in the Spring 2014 issue of the NCRS Corvette Restorer, written by Mike Ingham and is used here with his permission:     Adventures In LTPWS Land     by Mike Ingham    This story concerns the Low Tire Pressure Warning...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-body-emblem-part-numbers-489.html</guid>
										<title>1990 - 1995 Corvette ZR-1: Body Emblem Part Numbers</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-body-emblem-part-numbers-489.html</link>
										<description><![CDATA[The following are part numbers for the various emblems on a ZR-1. Always check&nbsp;with your local Chevrolet dealer for the latest part number for these items:"CORVETTE" Emblem - Rear Bumper10153697 --- 1990 Turquoise Metallic (42U)10172314 --- 1991...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-ac-compressor-specifications-491.html</guid>
										<title>1990 - 1995 Corvette | ZR-1: AC Compressor Specifications</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1995-corvette-zr-1-ac-compressor-specifications-491.html</link>
										<description><![CDATA[Type: NippondensoDisplacement: LT5 - 10.0 cubic inches L98 - 12.7 cubic inches

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1992-corvette-zr-1-service-bulletin-no-start-condition-replace-starter-485.html</guid>
										<title>1990 - 1992 Corvette ZR-1: Service Bulletin: No Start Condition (Replace Starter)</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1992-corvette-zr-1-service-bulletin-no-start-condition-replace-starter-485.html</link>
										<description><![CDATA[ Subject:  NO START CONDITION (STARTER CORROSION-REPLACE STARTER)   Model and Year:  1990-1992 Corvette, Engine Code J (LT5)   Source:  Chevrolet Service Bulletin   Bulletin Number:  92-307-6 - (09/21/1992)  CONDITION:  Some ZR1 Corvettes may exhibit...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1992-corvette-zr-1-service-bulletin-engine-service-program-483.html</guid>
										<title>1990 - 1992 Corvette ZR-1: Service Bulletin: Engine Service Program</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1992-corvette-zr-1-service-bulletin-engine-service-program-483.html</link>
										<description><![CDATA[Subject: ENGINE SERVICE PROGRAM - LT5 5.7L CORVETTE ZR1 ENGINE (VIN CODE J)Model and Year: 1990-92 CORVETTE ZR1Source: Chevrolet Service BulletinBulletin Number: 92-228-6 - (06/01/1992) THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO....]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1992-corvette-zr-1-service-bulletin-engine-noise-install-bushing-486.html</guid>
										<title>1990 - 1992 Corvette ZR-1: Service Bulletin: Engine Noise - Install Bushing</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1992-corvette-zr-1-service-bulletin-engine-noise-install-bushing-486.html</link>
										<description><![CDATA[Subject: ENGINE NOISE-INSTALL BUSHING 5.7L V8 (RPO LT5)Model and Year: 1990-92 CORVETTE WITH 5.7L ENGINE (RPO LT5) AND MANUAL TRANSMISSIONSource: Chevrolet Service BulletinBulletin Number: 92-230-6 - (06/15/1992) Condition: Some owners of 1990-92...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1991-corvette-service-bulletin-hard-start-on-hot-restart-increased-idle-speed-484.html</guid>
										<title>1990 - 1991 Corvette: Service Bulletin: Hard Start on Hot Restart / Increased Idle Speed</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1990-1991-corvette-service-bulletin-hard-start-on-hot-restart-increased-idle-speed-484.html</link>
										<description><![CDATA[Subject: HARD STARTING DURING A HOT RESTART, INCREASE IN IDLE SPEEDS, AND IDLE FLUCTUATION (REPLACE MEM-CAL) Model and Year: 1990-91 CHEVROLET CORVETTE WITH 5.7L ENGINE (VIN J - RPO LT5) AND MANUAL 6-SPEED TRANSMISSION (ML9)Source: Chevrolet Service...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1996-corvette-service-bulletin-information-on-corvette-zf-6-speed-manual-transmission-service-procedure-602.html</guid>
										<title>1989 - 1996 Corvette: Service Bulletin: Information on Corvette ZF 6-Speed Manual Transmission Service Procedure</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1996-corvette-service-bulletin-information-on-corvette-zf-6-speed-manual-transmission-service-procedure-602.html</link>
										<description><![CDATA[  Model Year:  1989-96 CHEVROLET CORVETTE WITH ZF 6-SPEED MANUAL TRANSMISSION (ML9)   Subject:  INFORMATION ON CORVETTE ZF 6-SPEED MANUAL TRANSMISSION SERVICE PROCEDURE   Source:  Chevrolet Dealer Service Bulletin   Bulletin Number:  77-72-04  ...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1996-corvette-differences-between-first-and-second-generation-zf-6-speed-transmissions-605.html</guid>
										<title>1989 - 1996 Corvette: Differences between First and Second Generation ZF 6-Speed Transmissions</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1996-corvette-differences-between-first-and-second-generation-zf-6-speed-transmissions-605.html</link>
										<description><![CDATA[From ZF regarding ZF transmission noise and differences between the ZF used in early and late ZR-1s - July 12, 2000: "All S6-40 transmissions installed in the C4 Corvette contain 100% helical gears.&nbsp; In fact, all of the gearboxes ZF produces for...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1990-corvette-service-bulletin-transmission-exchange-program-6-speed-m-t-ml9-604.html</guid>
										<title>1989 - 1990 Corvette: Service Bulletin: Transmission Exchange Program 6 Speed M/T (ML9)</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1990-corvette-service-bulletin-transmission-exchange-program-6-speed-m-t-ml9-604.html</link>
										<description><![CDATA[Subject: TRANS. EXCHANGE PROGRAM 6 SPEED M/T (ML9)Model and Year: 1989-91 CORVETTE ZF 6-SPEED MANUAL TRANSMISSION WITH ML9 OPTIONSource: Chevrolet Service BulletinBulletin Number: 91-89-7B - (10/31/1990) TO: ALL CHEVROLET DEALERS THIS BULLETIN...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1990-corvette-howling-or-squealing-sound-coming-from-clutch-601.html</guid>
										<title>1989 - 1990 Corvette: Howling, or Squealing Sound Coming From Clutch</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1989-1990-corvette-howling-or-squealing-sound-coming-from-clutch-601.html</link>
										<description><![CDATA[From Jim Ingle, GM Powertrain Engineer:"The problem you're most likely experiencing is a noisy crankshaft pilot bushing. There is a later design released for service that tends to retain grease better than the one you have and therefore doesn't...]]></description>

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										<guid>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1988-1990-corvette-service-bulletin-power-steering-shudder-groan-624.html</guid>
										<title>1988 - 1990 Corvette: Service Bulletin: Power Steering Shudder / Groan</title>
										<link>https://www.corvetteactioncenter.com/tech/knowledgebase/article/1988-1990-corvette-service-bulletin-power-steering-shudder-groan-624.html</link>
										<description><![CDATA[ Subject:  POWER STEERING SHUDDER/GROAN INSTALL P/S COOLER &amp; HOSE   Model and Year:  1988-90 CORVETTE WITH 5.7L ENGINE   Source:  Chevrolet Service Bulletin   Bulletin Number:  90-376-3B - (10/25/1990)  Condition:  Some 1988-90 Y-cars with either...]]></description>

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