89 - CorvetteForum - Chevrolet Corvette Forum Discussion

Thread / Thread Starter

Last Post

Replies

Views

Forum

Sticky

Post your best pics.

(

1 2 3 ... Last Page)

Mohammed_z on Jun 5, 2011

Apr 19, 2026 12:29 PM
by 1993C4LT1

4,029

1,079,606

C4 General Discussion

1984, 84, 85, 89, 96, corvette, engine, fit, mounts, roof, sunroof, targa, top, tops, vette

Will an '89 targa top fit an '85 ?

L8C4 on Jul 12, 2010

Jan 31, 2026 04:03 PM
by Oldboyztoy

11

7,925

C4 General Discussion

89, car, chevrolet, corvette, dealership, dr, history, swinson, tink, tulsa, tulsaok, wilkerson

Wilkerson Chevrolet in Tulsa, OK anyone have any info?

solaris_vii on Oct 27, 2010

Jan 3, 2026 01:14 PM
by TKX 5-SPEED C3

14

3,833

C3 General

1989, 3rd, 89, brake, bulbs, c4, corvette, defogger, fix, high, light, repair, stop, wiring, working

1989 3rd brake light - who had the fix for no light (bad switch??)

*89x2* on Apr 7, 2003

Oct 23, 2025 08:13 PM
by *89x2*

15

4,510

C4 General Discussion

Replace lifters and timing chain same time??

Qiken on Apr 9, 2009

Oct 22, 2025 09:21 AM
by bjankuski

9

561

C4 Tech/Performance

89, bolt, bolts, c5, corvette, easy, hand, happen, inch, intake, lbs, manifold, overtorque, spins, torque, torqued

What could it be, over torqued the intake manifold bolt?

(

1 2)

c4vetteontop on Feb 16, 2007

Jun 17, 2025 09:07 AM
by lucky131969

25

12,581

C5 Tech

2000, 89, acceleration, corvette, engine, fuel, gas, gm, knock, ls3, noise, recommends, regular, rpm, run

Regular Gas in the 2008 LS3?

(

1 2)

Badbee on Sep 12, 2007

Mar 26, 2025 07:27 PM
by cadbob

26

11,348

C6 Corvette General Discussion

89, brace, bracing, convertibles, corvette, garage, removal, remove, xbrace

Convertible X-brace Removal/intall

90 Convertible on Sep 4, 2004

Mar 21, 2025 01:02 PM
by jazfe

14

3,453

C4 Tech/Performance

1984, 1987, 1990, 1992, 89, c4, corvette, factory, greenwood, houston, package, packages, pakage, pictures, texas

Greenwood package?

dkelly3854 on Dec 20, 2003

Feb 11, 2025 12:18 AM
by CajunCatholic

13

39,680

C4 General Discussion

1990, 89, 90, correct, corvette, stopped, tach, tachometer, wire, working

90 vette tach, not working?

99magneticred on May 10, 2009

Nov 17, 2024 03:56 PM
by beermanpete

12

5,352

C4 Tech/Performance

1984, 1990, 89, 91, brake, c4, corvette, cylender, cylinder, kit, master, rebuild, rebuilt, replacing, vette

Anyone rebuild there c4 Master Cylinder?

7SPD Z52 on Nov 17, 2009

Oct 18, 2024 01:35 PM
by Gale Banks 80'

14

8,562

Autocrossing & Roadracing

1986, 1996, 89, c5, corvette, drip, fuel, key, pressure, rail, schrader, spray, valve, vette

no fuel pressure

judwall on Apr 18, 2012

Jun 6, 2024 08:37 PM
by Sabre34

14

15,956

C4 Tech/Performance

1989, 89, corvette, distributer, distributor, gm, hole, l98, leak, leaks, manifold, oil, pressure, top, wet

Oil leak behind the distributor on '89 L98?

TheCorvetteKid on Jul 16, 2005

Mar 6, 2024 05:34 PM
by Sabre34

9

4,269

C4 Tech/Performance

1989, 89, c4, chart, corvette, exchanger, location, low, oil, pressure, problem, psi, sensor, switch, vette

89 corvette oil pressure

(

1 2)

Petar Allen on Oct 17, 2010

Mar 3, 2024 02:28 PM
by Father of Seven

29

17,283

C4 Tech/Performance

1996, 89, 94, black, c4, cal, corvette, cowl, hood, induction, panel, plenum, satin, scoop, scooped

C4 Cowl Induction Hood

(

1 2 3 ... Last Page)

tpi 421 vette on Apr 13, 2012

Jan 20, 2024 05:18 PM
by James93LT1

86

66,145

C4 Tech/Performance

3rd, 89, brake, c4, corvette, light, working

Third Brake Light- Not working-Help!

vettesareme on Sep 20, 2005

Dec 21, 2023 07:06 PM
by Speed Racer X

16

2,652

C4 General Discussion

1000, 89, alpine, alumapro, cap, causing, cde9881, corvette, eclipse, fared, interference, optimus, procsw, replaced, speaker, speakers, stereo

What do you run in your system?

(

1 2 3 ... Last Page)

fej on Feb 10, 2006

Dec 30, 2022 07:27 PM
by LS WON

174

221,783

Audio/Electronics

1984, 86, 87, 89, 96, c4, c5, corvette, fit, greenwood, install, rims, sale, vette, wagon, wheels

C5 Wagon Wheels on a C4

(

1 2 3)

bluesilver82 on Oct 18, 2011

Dec 13, 2022 01:16 PM
by vinco

43

25,574

C4 General Discussion

1989, 86, 88, 89, chevy, corvette, engin, engine, harness, tpi, vette, wire, wireing, wiring, zr1

What are the differences in 86,87,88,89 engine wiring harness?

corvette95 on Apr 17, 2011

Nov 15, 2022 08:02 AM
by davesly

10

4,952

C4 Tech/Performance

Question for anyone who has a C4 vette, thats a 91 or older.

(

1 2 3)

**IceMan** on May 28, 2008

Aug 25, 2022 08:23 PM
by jts90vette

41

4,778

C4 General Discussion

40, 89, battery, chevy, gas, iac, instal, mph, pedal, pintle, reset, retract, retracting, testing, volt

how do i retract the IAC pintle when installing it into a new throttle body?

(

1 2)

dizwiz24 on Jul 28, 2010

Feb 20, 2022 09:55 PM
by Tacogod1313

24

12,655

C4 Tech/Performance

84, 89, c4, c5, chevy, circuit, corvette, courtesy, door, fuse, located, lock, locks, power, problem, relay, short

Power door locks inop

(

1 2)

cypher85 on Oct 29, 2010

Jan 25, 2022 08:30 PM
by CorvetteRules

20

4,649

C4 Tech/Performance

86, 89, access, actuator, blend, corvette, door, heat, located, location, mix, mod, olds, temp, vette

How to access the blend door on an 89? Heat only slightly warm.

twilightcall on Nov 5, 2005

Sep 18, 2021 01:00 PM
by Thinxman

14

7,211

C4 Tech/Performance

1985, 1991, 350, 89, c4, chevy, corvette, data, distributor, drive, fix, gear, main, oem, piece, rear, removal, seal, specs, technical, wheel

C4 Technical Summary and FAQ - Please Read on a Regular Basis.

(

1 2 3 ... Last Page)

bogus on Nov 25, 2004

Jul 1, 2021 09:14 PM
by JETS C3-C4

98

207,301

C4 Tech/Performance

44, 89, code, condition, corvette, exhaust, header, hole, indication, leak, lean, manifold, oxygen, running, sensor

Code 44 Lean Exhaust

Pwnage1337 on Aug 25, 2009

Jun 28, 2021 09:14 PM
by Lemon Pro

19

9,799

C4 Tech/Performance

1989, 89, c4, convertible, corvette, hardtop, headliner, leaks, parts, pictures, removable, removal, sale, targa, top

1989 removable hardtop question

IndianLan on Aug 8, 2011

Jun 28, 2021 08:17 AM
by bac22

6

4,246

C4 General Discussion

1989, 89, actuator, acuator, c4, corvette, diagram, door, headlight, module, motor, opening, relay, relays, wherr

89 headlight actuator relay

tacameron on Jan 6, 2007

Jun 3, 2021 04:14 PM
by Snakecharmer383

10

9,833

C4 General Discussion

89, bad, c4, corvette, coupling, fuel, gm, j30r10, line, pulsator, pump, purpose, remove, size, submersible

fuel pump pulsator

(

1 2)

RetiredSFC 97 on Jan 23, 2010

May 23, 2021 01:54 PM
by Sabre34

27

12,570

C4 General Discussion

15, 1984, 20, 85, 87, 89, 99, bezel, c4, corvette, din, double, fits, open, put, radio

Pics of the new 84-89 Double Din radio bezel! Add NAV to your C4

(

1 2 3)

Double D Mods on Feb 4, 2011

May 2, 2021 10:04 AM
by Los211

41

41,637

C4 General Discussion

1985, 85, 89, breaker, circuit, cool, corvette, fuse, horn, horne, parts, problems, stopped, wire, wiring

1985 Corvette Horn issues

pghjeeper on May 14, 2011

Feb 3, 2021 01:40 PM
by Tommie40

12

11,232

C4 Tech/Performance

1989, 1989corvette, 89, add, cheap, chevrolet, common, control, convetible, corvete, corvette, engine, idle, mechanical, mods, performace, problems, review

1989 Corvette Problem

Red89'-L98 on Apr 29, 2012

Oct 13, 2020 04:17 AM
by stew86MCSS396

6

6,719

C4 Tech/Performance

1989, 89, c4, chevy, corvette, ecm, fno, fuel, injection, injector, injectors, nmsc, pulse, signal, test

89 Vette No Injector Pulse

(

1 2 3)

PhantomUSA on Jan 21, 2010

Sep 8, 2020 10:31 PM
by Angel Garcia

58

34,783

C4 Tech/Performance

275x40x17, 89, corvette, pressure, tire, tires

275x40x17 tire pressure?

Mustang_Eater on Jun 21, 2010

Jul 9, 2020 01:31 PM
by F22DAD

11

10,286

C4 Tech/Performance

1989, 1995, 89, actuator, blend, blower, c68, corvette, door, mix, motor, remove, repair, temperature, test

89 heat only C68 , blend door won't move

(

1 2)

corvette95 on Jan 25, 2011

Jun 5, 2020 06:51 PM
by Justin Schmidt

28

15,123

C4 Tech/Performance

1991, 410s, 700r4, 89, axle, c4, corvette, g87, gear, gm3, mark, ratios, rear

Rear gear ratios?

(

1 2)

87bob on Mar 7, 2012

Jun 15, 2019 07:13 AM
by WVZR-1

25

13,293

C4 Tech/Performance

1984, 1989, 1994, 5447x, 89, brute, c4, corvette, force, good, joint, joints, spicer, ujoints, universal

Best U Joints for a C4

myscx on Jun 2, 2010

Apr 27, 2019 11:54 AM
by MatthewMiller

15

7,792

C4 General Discussion

1989, 1999, 43, 89, converting, correct, corvette, distributor, electronic, find, l98, number, position, spark, weak, wheres

89 L98 - Replaced distributor - lost correct position to re-install - help!

(

1 2 3)

corvette95 on Jul 6, 2011

Apr 18, 2019 11:02 AM
by 21boy

40

25,447

C4 Tech/Performance

1984, 1995, 2000, 2005, 89, alternator, battery, charge, charging, corvette, diagnosis, forums, lt1, problems, wont

Alternator not charging battery + other problems. HELP!

(

1 2)

kopbet89c4 on Apr 8, 2005

Mar 16, 2019 11:44 PM
by Ed Ramberger

22

14,073

C4 Tech/Performance

1989, 89, add, c4, chip, corvette, cpu, engine, modifications, perforemance, performance, power, prom, streetrunner, upgrades, vette

1989 Performance Chip

mig29man on Jun 4, 2007

Oct 11, 2018 12:18 PM
by 3D-Aircrew

11

12,450

C4 Tech/Performance

88, 89, air, c4, codes, corvette, floe, flow, hot, mas, mass, meter, problem, problems, restart, sensor

Mass Air Flow Meter problems....

RicG on Jun 17, 2011

Jun 19, 2018 06:52 PM
by Zike Gladion

19

9,185

C4 Tech/Performance

1989, 89, 96, bose, corvette, delco, noise, oem, problems, radio, speaker, speakers, troubleshooting, vette, whine

89 Delco-Bose Radio noise

(

1 2)

thomo on Oct 27, 2005

Jul 7, 2017 07:51 PM
by NTR2DR

20

11,025

Audio/Electronics

89, bad, booster, booter, boster, brake, break, c4, change, corvette, diagnosing, effecy, faulty, pooster, power, replacingna, vette

How do I diagnose a bad brake booster on an 89

(

1 2)

jzvette on May 11, 2005

Jul 4, 2017 03:31 PM
by VikingTrad3r

20

12,187

C4 Tech/Performance

1986, 1987, 1989, 86, 89, c4, cap, chevy, corvette, dash, dashpad, emove, pad, removal, remove

86 Upper Dash Pad Removal

rrt898 on Jun 2, 2011

Jun 9, 2017 01:12 AM
by Cliff Harris

12

19,136

C4 General Discussion

15, 1986, 89, c4, circuit, code, cooland, coolant, corvette, cts, iroc, mod, resistor, sensor, temp, thermostat

Coolant Temp Sensor?

(

1 2)

robblk90 on Oct 13, 2002

Apr 12, 2017 11:51 AM
by don hall

23

17,408

C4 Tech/Performance

1984, 89, air, blowing, blows, c4, chevy, cold, corvette, doors, heat, heater, hot, vac, working

The heat wont blow but cold air does in 89 C4

Brutal669x on Jan 19, 2012

Feb 8, 2017 09:45 PM
by Baker86

13

11,904

C4 Tech/Performance

1986, 86, 88, 89, clean, climate, contacts, control, controll, core, corvette, digital, faceplate, heater, problem, problems

1986 Climate Control delima

(

1 2)

funlovnjim on Mar 10, 2009

Jan 3, 2017 04:33 PM
by VikingTrad3r

30

22,661

C4 Tech/Performance

1989, 89, coolant, cooling, corvette, high, normal, operating, range, smog, system, temp, temperature, temps, test, vette

Operating Temperatures for '89

myturn89 on Apr 18, 2009

Oct 17, 2016 10:14 AM
by aklim

17

19,908

C4 Tech/Performance

1984, 1989, 57, 89, corvette, forum, liter, manual, owners, power, price, sale, seat, switch, z51

For Sale 1989 Corvette Z51 with 6-Speed

(

1 2)

Z51Racer on Oct 1, 2011

Sep 7, 2016 06:39 PM
by cv67

27

20,114

C4s for Sale/Wanted

1992, 89, 92, chevy, corvette, difference, fx3, nos, option, pkg, shocks, suspension, suspenson, z07, z51

FX3 suspension questions

(

1 2)

Bruce_in_MN on Nov 24, 2009

Aug 27, 2016 07:50 AM
by aklim

21

20,301

C4 General Discussion

1984, 1985, 882, 89, bulb, bulbs, c3, car, cluster, corvette, guide, instrument, panel, removing, replace, replacement

85-89 Instrument Cluster Bulb replacement Guide

(

1 2 3)

usmc_butler on Nov 29, 2010

Jul 1, 2016 09:05 PM
by petecaballero

56

65,133

C4 General Discussion

1994, 89, battery, corvette, corvettes, crank, drain, engine, jet, kit, lt1, maech, pulley, pulleys, set, smaller, underdrive

jet underdrive pulley set and Mezirere elec pump conflict

MP6 on May 21, 2010

Jun 26, 2016 11:00 AM
by 92C4M6

19

2,210

C4 Tech/Performance

1984, 1988, 1989, 8489, 88, 89, box, car, clove, corvette, dash, glove, kit, location, put, removal

84-89 glovebox> anyone remember>>???

(

1 2)

Kenwood on Sep 27, 2004

May 31, 2016 08:59 PM
by red vet man

27

11,682

C4 Tech/Performance

1984, 1988, 1989, 88, 89, body, c4, corvette, diagram, galleries, lines, pcv, picture, routing, throtle, vaccuum, vacuum, vette

88/89 Vette throttle body vacuum line routing ..need pics

corvette95 on Apr 18, 2010

Apr 25, 2016 03:48 PM
by mlm0

10

19,634

C4 Tech/Performance

1967, 89, aluminum, blue, coast, corvette, date, heads, hood, l89, lynndale, regesty, registry, sale, west

1967 427 L-89 Corvette

(

1 2 3)

-vet on Feb 5, 2007

Oct 23, 2015 06:01 AM
by rich5962

57

17,385

C1 & C2 Corvettes

04, 87, 89, 89corvettes, c0rvette, c5, c6, california, corvette, forums, fuel, government, octane, requirement, run

87 or 89 Octane?

(

1 2 3 ... Last Page)

mattcgoldstein on Oct 26, 2011

Sep 26, 2015 11:07 PM
by 65 Drivr

102

17,687

C6 Corvette General Discussion

89, corvette, l98, main, oil, pan, piece, rear, seal

2 piece vs 1 piece rear main seal pans

BrianCunningham on Feb 14, 2009

Jul 10, 2015 01:49 PM
by Sean Brian Kirby

15

11,976

C4 Tech/Performance

1984, 1996, 2005, 89, corvette, directions, headlight, issues, left, motor, oppisite, problem, problems, replaced, shooting, trouble

headlight motor problems

(

1 2)

silverman6602 on Nov 13, 2006

Jun 2, 2015 12:33 PM
by terry50

29

4,317

C4 General Discussion

1984, 89, block, corvette, diagram, distribitor, eeco, engine, fr12, fuel, fuse, pump, relay, symptoms, turns, warm

89 FUEL PUMP RELAY & fuse PROBLEM

postcar on May 16, 2012

Apr 6, 2015 11:46 PM
by Cliff Harris

8

57,529

C4 Tech/Performance

1990, 89, 90, bleeding, clutch, corvette, cylinder, cylninder, l98, master, replace, screw, slave, spd, zr1

Clutch Slave Cylinder - 1990 L98 6-spd

DSPark13 on Dec 14, 2003

Apr 1, 2015 02:33 PM
by ynot d

19

9,415

C4 Tech/Performance

1989, 1995, 89, 9496, bose, c4, camaro, car, cd, corvette, fit, player, radio, replace, sale, stero, years

1989 radio

Surfside on Jan 16, 2011

Mar 4, 2015 12:25 PM
by Eike

11

7,969

C4 Tech/Performance

89, 9496, c4, controls, corvette, corvetteforum, harness, left, lumbar, pump, seat, seats, sport, switch, wire, working

94-96 Sport Seat wiring tips

VetteMed on Nov 15, 2011

Nov 8, 2014 01:03 PM
by akbeaver

9

22,900

C4 Tech/Performance

89, chevrolet, control, corvette, idle, idling, issue, issues, problem, problems, spark, valve

89 idle issues

(

1 2 3)

pr0t0typ3 on Feb 20, 2012

Oct 16, 2014 08:24 AM
by puufgone

44

7,723

C4 Tech/Performance

1984, 1989, 84, 89, alarm, c4, corvette, deterrent, disable, module, removal, security, system, theft, turn

Eliminating Alarm System on 85 vette

(

1 2)

J H on Feb 8, 2008

Aug 11, 2014 10:05 AM
by cudamax

24

40,883

C4 Tech/Performance

1984, 1989, 89, amp, amplifier, audio, bose, corvette, fuse, location, radio, relay, remove, speaker, trim, unplugging

Bose amp relay location?

dclong on May 10, 2002

Jul 19, 2014 02:41 PM
by JayEmEss

6

11,063

Audio/Electronics

1978, 1981, 1989, 89, belt, c3, camaro, conversion, corvette, drive, install, serpantine, serpentine, set, v6, vette

Serpentine Belt Conversion

jordan89 on Nov 3, 2009

Jul 19, 2014 06:31 AM
by kanvasman

10

3,054

C3 Tech/Performance

87, 89, 96, c4, convertable, convertible, convertibles, corvette, corvettes, dark, hardtop, red, removable, tool, top

C4 Convertible Removable Hardtop, Dark Red Metallic, $999

PaceThis on Jan 13, 2009

Jun 24, 2014 01:40 AM
by 89softie

11

10,626

C4 Parts for Sale/Wanted

89, cool, cooling, corvette, dont, fan, fans, issues, location, problems, relay, sensor, switch, work, working

89 Cooling fan

(

1 2)

jrockw01 on Mar 26, 2005

May 20, 2014 06:28 PM
by marvin503

37

14,355

C4 Tech/Performance

1989, 89, corevette, corvette, corvettes, engine, hot, l98, normal, operating, operation, run, running, safe, temp, temperature

Engine Operating Temperature? What is safe?

myturn89 on Jun 21, 2010

May 3, 2014 08:24 AM
by ex-x-fire

15

15,256

C4 Tech/Performance

1989, 1990, 43, 89, air, bracket, c4, c5, chevrolet, corvette, corvettes, delete, mount, pulley, pump, replacement, s10, smog

Air-pump delete bracket

(

1 2 3)

cadwiz_01Z on Aug 2, 2011

Apr 4, 2014 08:50 AM
by teedunlap

41

15,047

C4 General Discussion

69, 89, c2, corvett, corvette, electric, electro, forum, fuel, inertia, install, installation, pump, pumpwire, switch, wiring

Electric Fuel Pump Wiring

jordan89 on Oct 5, 2011

Mar 5, 2014 10:31 AM
by repriebe

8

10,340

C3 Tech/Performance

Threads Tagged with 89