Top 10 1995 Chevrolet Caprice Classic Questions & Answers

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Question

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flasher or turn signal switch

the turn signals dont work but the emergency flasher does

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When you select left or right do any of the bulbs come on? If you select left check front and back left side if one of the bulbs did not come on the flasher will not work. Change the bulb that is out. Same with the right. If the fuse for the turn signal is good (check fuse or replace do not use visual, some appear to be good but are not).
The emergency flasher is different from the turn signal flasher. Look at manual for location of turn signal flasher. If you manually lift and lower turn signal control you may hear a clicking under the dash to locate the flasher.

Posted on Jan 12, 2009

Question

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replace fuel pump on 1995 caprice classic

got a 95 caprice classic from father-in-law. Car would not start. I would try the next day and it would start. Then I noticed that if I let it sit for longer than 24hrs it would not start. Have not been able to get it started since. Sounds like it is close to kicking over but not quite enough. After looking at some of these posts, it seems like its fuel pump symptons. My father-in-law says he has had the pump replaced twice. Can I replace the pump myself (how do I get to it?)?. Should I try to replace the fuel pump relay first (and where is it)?

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Un plug fuel pump wires at back of tank mounted on the frame at very rear of car. Remove hose clamps at back of tank going to filler tube and vent. Place a jack with a piece of would on the top of it under the center of the Gas tank. Remove the straps that criss cross the tank. Two in front and two in back. Very slowly lower the tank, there are some fuel lines going to the fuel pump that need to be removed if the tank comes down too far you could bend the pump lines. You will need fuel line tools to remove the lines from the metal lines coming from the pump. Once these are removed lower the tank the rest of the way and pull tank out. There are about five or six 10 mm nuts on the top of the pump hold down ring. Remove the nuts. Then slowly remove the pump from the tank. Be careful of the float for the fuel level you may have to lean the pump to one side as you remove it from the tank... you will only need to replace the pump not the whole module on this model..The pump is in the plastic module. Unplug the wires going to the pump then unsnap the plastic top. Remove the filter from the bottom then push the pump out. Reverse steps with new pump.

Fuel relays on this model almost never go bad. If you hear the pump its not a relay. But just because you hear the pump does not mean the pump is working right. It may be loosing pressure...

Loss of spark was also a problem the the 95 4.3 v8. and the distributor located at the front of the engine behind the damper and water pump was the problem and very expensive....

Posted on May 01, 2009

Question

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95 chevy caprice pass key fault.

When I put the key in the ignition it won't start. It just says pass key fault. I had the key checked by the dealership, and the key is good. How do I fix this? Or what needs to be replaced? Thanks.

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WELL I HAD THE SAME PROB. ON A 95 CHEVY CAPRICE.I REMOVED THE IGNITION AND THE WIRE WAS BROKE.WHEN U TURN THE KEY THE PASS KEY WIRE TURNS WITH THE IGNITION,WHAT A FAULTY DESIGN.ANY HOW BUY A NEW IGNITION AND KEY THAT SHOULD SOLVE THE PROB. GOOD LUCK

Posted on Jun 20, 2010

Question

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car wont start reads pass key fault

car wont start reads pass key fault

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Answer

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Passlock I reset.

1. Attempt to start the car, let it stall, but DO NOT turn the key off! Leave it in RUN.
2. Wait 10 minutes or until the Theft Sys light glows steady instead of blinking.
3. Do not turn the key off, but start it immediately.
4. This should reset your Passlock system.




PASSLOCK I or II DISABLEMENT

The following is a procedure to disable Passlock I or II Systems for vehicles
in which remote start/stop system installations are required. This procedure
is required because a remote start system will not function with the current
Theft Deterrent System (Passlock) which is included on many 1996 and up GM
vehicles.

Please note that this modification is intended to be used only in conjunction
with the installation of a remote start/stop system and does not provide a
procedure to install a remote start/stop system.

CAUSE
If an attempt is made to start a vehicle by a means other than a key rotation
in the ignition switch, the Body Control Module (BCM) will interpret this
start as a vehicle theft and disable the fuel injectors.

CORRECTION
A minor wiring modification may be made to allow the vehicle to be started
remotely. This modification includes adding a switch to allow the customer to
select ?ON? to allow remote starting or ?OFF? for normal Passlock operation.

CAUTION: When this modification is performed and the switch is set to the ON
position, the theft deterrent feature will be disabled. When the theft
deterrent is disabled the SECURITY/THEFT SYSTEM telltale will light up
indicating that the theft deterrent system is NOT functioning.

PASSLOCK MODIFICATION
Refer to appropriate GM service manuals and/or SVMQP Electrical Guideline
Manual for instruction on splicing and electrical connections.
1. Select a suitable on-off switch (see note below) which will be used to
disable/
enable the Passlock System. Mount the switch in a location such that it is
accessible to the driver and will not interfere with normal vehicle operation.


NOTE: This is an extremely low current circuit (approx. 7mA), it is therefore
very important that a high quality, low energy, fast acting switch be
utilized for this application.
2. Turn the ignition switch to the OFF position.
3. Locate the Main Ignition Switch Harness in the Column. GM's Passlock
System wires exit the Ignition Switch Tumbler together and then join with the
Main Ignition Switch Harness. (See http://www.bulldogsecurity.com/ or
http://64.85.6.118/diagrams/diagrams.asp and select your Make, Model and
Year for wire colors and clues on the quickest way to access these wires.)
4. Locate the Yellow Passlock Data Wire which is included in a bundle of
three tiny (20 GA) wires wrapped in friction tape.
Cut this wire and splice a 0.5mm2 (20 GA) yellow wire to each end of the cut
wire.
Keep wire length to a minimum. Route modification wires clear of moving parts.


Connect the yellow wires to the switch such that the contacts are OPEN when
the switch is in the ON position.
5. Turn modification switch to the OFF postion (contacts closed).
6. Start vehicle to verify normal operation. If engine ?cranks but will not
start"
recheck the switch position (contacts should be closed), wire connectors and
modification wiring.

SWITCH OPERATION

To enable remote start:
Start the engine with the ignition key (modification switch must be in the
OFF
position). Turn modification switch to the ON position (contacts open). The
SECURITY/THEFT SYSTEM Telltale will light up indicating that the Passlock
System is inoperative.
Once the SECURITY/THEFT SYSTEM telltale has been on for at least 5 seconds
the vehicle can be turned off and then remotely started.

To disable remote start:
The Passlock System can be reactivated by turning the modification switch OFF
(contacts closed). Vehicle can either be running or off when this is done.

Please note that the VCM/PCM will record Diagnostic Trouble Codes (DTCs)
related to the security system when the modification switch is in the ON
position (circuit open). This is due to the way that the VCM/PCM interprets
this condition.

NOTICE
Any condition which removes battery power from the Vehicle Control
Module/Powertrain Control Module (VCM/PCM) (e.g. dead battery, disconnected
harness connectors, etc.) will prevent the vehicle from being restarted. If
the engine exhibits a ?cranks but will not start? symptom, place the
modification switch in the OFF (contacts closed) position. This will
reactivate the Passlock System and allow the vehicle to be started with the
ignition key




Posted on Dec 12, 2009

Question

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My 1995 chevy caprice classic will not start it

My 1995 chevy caprice classic will not start it turn over but will not crank is it the fuel pump?

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Thanks for choosing FixYa and welcome.

Posted on Apr 30, 2011

Question

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I have a 1995 chevy caprice classic and it keeps

I have a 1995 chevy caprice classic and it keeps overheating, I've changed the thermostat,water pump and I noticed my fans weren't on at all but when I unplug the water pump the fan cuts on.

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Your cooling fan relays are controlled by the Engine Control Module (ECM). What you are unplugging is probably the Engine Coolant Temperature Sensor (ECT). The ECM will default to "fans on" if it loses the circuit to the ECT. (It loses it when you unplug it) This is why the fans come on when you unplug the connector. The engine might be overheating because the ECT may be malfunctioning and "lying" to the computer about what the actual engine temperature is. If this is the case, the ECM is not turning the fans on because it doesn't "think" it is hot enough to need them. Then again, you could have a faulty temperature gauge that is making you think the engine is overheating when it is not. (If it is boiling over, then it is OBVIOUSLY overheating and you can just disregard that last statement.)
Anyway, the only way to properly diagnose the cooling system on your vehicle is to access the live engine data and look to see what temperature the ECM is seing while you take an actual reading with an infrared thermometer or a pyrometer and compare the two. Yhe thermometer or prometer reading should be within about 5 degrees of what the ECM "thinks" the temperature is. If there is a larger error than this then the coolant temp sensor should be replaced. If the reading is within this range and the temperatur gauge reads hot when it is not, then the gauge should be replaced.
Since the fans come on when you unplug the sensor, you know that all the fan circuits are working and the ECM is capable of controlling them, so it almost has to be a computer INPUT problem, not an OUTPUT problem.

Posted on Feb 26, 2011

Question

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Automatic Transmission shifts late and rough after warm

Chevy Caprice 1994 w/ new distributor, check engine light comes on and off around the same time that it has trouble getting out of 1st and 2nd gears (automatic). Giving plenty of gas it does shift but lurching forward and not smooth. Doesn't have this problem when cold. Transmission fluid level and quality are fine. I have a 1991 chevy caprice classic, it had been sitting for a few months and I decided to put it on the road. The first 5 miles everything was fine. I had stopped and started again and noticed that it wouldn't shift out of 1st gear until you wound up the rpms about 5 grand. this was the same for 2nd gear also. But the car has no problems down shifting. All fluid levels are good. Could this be a clogged filter problem?

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Answer

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AS YOUR CAR IS VERY OLD. THE ENGINE PARTS MUST BE VERY OLD. IN THIS SITUATION EVERY CAR DOSENT WORKS PROPER WHEN THE ENGINE BECOMES HOT. YOU JUST NEED TO CHECK AT CHEVY SERVICE CENTER FOR A BETTER SOLUTION. THEY WILL HELP U BETTER AFTER CHECKING YOUR CAR PERSONALLY.

PLS. RATE MY SOLUTION.

NICE DAY

KETAN

Posted on Feb 12, 2009

Question

  • 1,212 People Helped

pass key fault is brinking

pass key fault is brinking car will start batt is good starter istoo

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So the Security light is on or flashing in your vehicle and you are looking at 1 of 3 things. Either the vehicle won't crank over and start, It cranks but dies in a few seconds, or your vehicle shuts off while driving scaring the **** out of you. You have now experienced GM's worst security system ever created. GM's security, also known as Passlock Passkey or Vats.

There are 3 parts in this system:

1.The CHIPKEY
Normally a black resister chip in key which "communicates" to the lock cylinder. Sometimes is hidden in the plastic part of keys in new models. Same concept, might say PK1 PK2 PK3 PL or something similar to that. The newer ones work on frequency. Same thing tho.

2.The LOCK CYLINDER
Inside there are pins that read the chip in the key or the part that reads the frequency on new models. This then "communicates" to the TDM)

3.The TDM
Theft Deterrant Module-Sometimes called the "computer" or "brain". This is the part that sends the signal (**NOTE**) to your car and allows your car to start or continue running depending on your type of system.
If any of these parts are not communicating properly, your SECURITY light will come on and shut down your vehicle. The idea being, that without the chipped key or FOB key, the vehicle wont start and cant be "hotwired" or stolen. Pretty nice when working, but these systems are flawed and the average life is 6-10 years. Every single aspect of this system is expensive to replace and can only be worked on by "authorized" GM service men with out voiding warrenty. Most garages dont even touch them and if they do,
they will sell you every part they can before "fixing" the problem

*QUICK FIX TRICKS*
1st trick
Try a spare key that is newer or used less. The pins wear down with use and so do the keys causing the security to fail.

2nd trick
(if not starting) turn the key forward 2 clicks till right before it would normally start, leave like that for 10 minutes. ( no less ) After 10 minutes, turn key back then forward and your car might start. I did this in my Buick for more than a year. Remember this is a temporary fix... If its shutting down while running, I'm sorry I have no quick fix...
*PERMINANT FIX*
Well since the lifespan of these systems are so short, and are extremely expensive to fix, and in my opinion far worse of a threat to owners than theives, my only perminant suggestion is to eliminate it completely. After a year of 10 minute tricks and a "key bypass" that lasted 2 months. I have only one good suggestion. After surfing the web for hours thru forums and websites i came across http://newrockies.com/passkey to the starter or injectors and so on. Thus eliminating the ENTIRE system COMPLETELY. I came upon a fork in my road. A TDM for $600 in my $1000 car or the $200 bypass. Or throw my car away. Lets say i now drive a Buick with the chip ripped out of the key and the TDM sitting in my glovebox for show
and tell. If you have any questions or anything else. Comment on this post
and i'll get an E-mail to reply to you. If you do choose to buy the bypass,
i have pictures of what a TDM looks like and will definately help you when
installing the newrockies bypass. Good luck
Here is a list of known effected cars that can be fixed with the
newrockies bypass. This is the same list from the site and updates
frequently.
Trucks
.
GMC/Chevy
1998-2006 S10/T10/Sonoma
/Blazer/Jimmy
1998-2007 Suburban/Avalanche
/Tahoe/Yukon
1998-2006 Sierra/Silverado
2002-2008 Trailblazer
2003-2006 SSR
1998-2006 C1500/C2500/C3500
1998-2006 K1500/K2500/K3500
2003-2007 Hummer H2
.
Isuzu
1998-2000 Hombre
2005-2006 I280/I350
2007-2008 I290/I370
.
Cars/Vans
.
Isuzu
2003-2007 Ascender
.
Pontiac
1994-2003 Grand Prix
1998-1999 Montana
2006 Torrent
1996-2005 Grand AM
1994-1998 Trans Sports
1988-1999 Bonneville
1988-2002 Firebird
1995-2005 Sunfire
1996-2002 Trans Am
.
Buick
2004-2007 Rainier
1994-1996 Century
1993-1996 Regal
1982-1999 LeSabre
1991-1996 Park Avenue / Ultra
1994-1996 Roadmaster
1991-1996 Roadmaster Estate Wagon
1982-1999 Riviera
1988-1991 Reatta
1996-1998 Skylark
1982-1990 Electra (all models)
.
Oldsmobile
1996-1998 Achieva
1999-2004 Alero
1994-2004 Aurora
1998-2004 Bravada
1991-1993 Delta 88
1994-1999 Eighty-Eight
1991-1996 Nighty-Eight
1998-2002 Intrigue
1990-1992 Toronado
1994-1997 Cutlass Supreme
1997-1999 Cutlass
1997-1999 LSS/Regency
1997-1999 Silhouette
1991-1996 Custom Cruiser
.
Chevrolet/GMC
1998-2005 Astro/Safari
1998-2008 Envoy
2005-2006 Equinox
1998-2007 Savana/Express
1995-2005 Monte Carlo
1997-1999 Venture
1995-2001 Lumina
1988-2002 Camaro
1995-2005 Cavalier
1982-1991 Corvette
1994-1996 Caprice/Caprice Wagon
1995-1996 Impala SS
2000-2005 Impala
1997-2005 Malibu Classic
1997-2003 Malibu
.
Cadillac
1986-1993 Allante
1982-1996 Fleetwood
1985-1996 Fleetwood Brougham
1992-1995 Seville
1992-1995 SLS/STS
1985-1995 Deville
1994-1995 Deville Concours
1988-1995 ElDorado
1994-1995 ElDorado Touring
1999-2007 Escalade
.
Saturn
2000 LS/LS1/LS2/LW1/LW2
2001-2002 L100/LW100
2001-2003 L200/LW200
2001-2005 L300/LW300
2004-2005 L-Series
2002-2008 VUE
1996-2002 SL/SL1/SL2
1996-2002 SC1/SC2
1996-2002 SW1/SW2

Posted on Mar 30, 2011

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1995 chevy caprice classic

have replaced the fuel pump 2 times in 95 chevy caprice classice. both brand new what is the reason it keeps going bad

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Also do not let tank run low because fuel in tank keeps in tank pump cool. This is why the pump is in the tank.

Posted on Oct 31, 2016

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pass key fault indication light

What does the Pass Key Fault light indicates, what could be the problem when it goes on.

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that means than your antitheft system is not operating right,
if your car has a tilt wheel steering system most likelly you need to replace the ignition lock cylinder
this will be also with intermitant wont star simptom

Posted on May 28, 2008

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