Question about 2003 Chevrolet Silverado 3500

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Where do you check the gresse on the transfer case

Posted by Anonymous on

  • yadayada
    yadayada Mar 19, 2011

    do you mean IN the transfer case? and it doen't use grease it uses ATF

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  • Master
  • 492 Answers

There should be a square plug of the side of the case.

Posted on Mar 19, 2011

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Have 2004 Chevy1500z71&service 4wd message comes onafter it in 4H but it still worksHad fluids changed 2 yrs ago.Goes into 4wdfine&seems like it runs good. Comes on sometime even not in 4wd. Thanks


Which transfer case does your truck have ?
SERVICE 4WD
Refer to
?€¢
Transfer Case Description and Operation for the Transfer Case - NVG 149-NP3


?€¢
Transfer Case Description and Operation for the Transfer Case - NVG 246-NP8


?€¢
Transfer Case Description and Operation for the Transfer Case - NVG 261-NP2


?€¢
Transfer Case Description and Operation for the Transfer Case - NVG 263-NP1


The SERVICE 4WD indicator is located in the instrument panel cluster (IPC), and shares the common power and ground of the IPC. The transfer case shift control module controls the service indicator by sending the IPC a Class 2 message. This indicator may be controlled with the scan tool using the IPC device controls.
You should take it to the dealer an have it checked for DTC'S -diagnostic trouble codes

Jan 07, 2016 | Cars & Trucks

1 Answer

Service awd light comes on and off awd doesn't work when light is on


You need to check wiring an connectors at the transfer case shift control module an check power an grounds at the module ! If all seams good there a scan tool will need to be hooked up to check for codes ! If none of this makes no sense or you don't under stand any of this you need to take it to someone who does !

1

Was the Transfer Case Diagnostic System Check performed?
--
Go to Step 2
Go to Transfer Case Diagnostic System Check

2

  1. Install the Scan Tool .
  2. Turn the ignition ON, engine OFF.
  3. Use a Scan Tool in order to command the SERVICE indicator (AWD/4WD) lamp OFF.
Does the SERVICE indicator (AWD/4WD) lamp turn off?
--
Go to Step 3
Go to Step 4

3

Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement .
Is the repair complete?
--
Go to Transfer Case Diagnostic System Check
--

4

Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel.
Is the repair complete?
--
Go to Step 5

Feb 23, 2015 | 1999 Oldsmobile Bravada

1 Answer

Changed to 4wheel drive low and I can't get it to change back to 2 wheel drive.


1999 Blazer. Thing's to check. 4x4 problem. There's an actuator pump under your battery plate. Make sure its in good shape and its working proper. Next check the cable that runs from the pump to the front transfer case. Then check the actuator switch on the front transfer case. Then check the vacuum lines from the front transfer case to the rear transfer case, that should be right under the drivers side door. There's also a actuator switch on the rear transfer case witch two vacuum lines run out of. Check them also, and last check your fluid level in your transfer case. Start from the beginning to the end. Don't forget to use your 4x4 every know and then to keep it up to power. Its not like the good old days. Where a pull of the lever on the floor engaged the 4x4. I hope this helps.

Apr 09, 2014 | 1999 Chevrolet Blazer

1 Answer

I have a leak in the transfer case, just had the shop replace so seals in the engine and now they say transfer case is leaking shouldn't that have been checked then?


the engine and transfer case are to totally different monsters your transfer case controls the four wheel drive if your engine was leaking oil and they replaced some seals most likely they seen grease and oil on the transfer case and assumed it was leaking from the leaking engine that is directly above it even if you dont use the four wheel drive I would still sugest getting that fixed because the axles still turn inside there and you dont want those bearings drying up and going bad

Jan 25, 2013 | 2004 Hyundai Santa Fe

1 Answer

No power to fuel pump for a 89 nissan sentra


Hi Gresse, Have the fuel pump relay checked for operation and also check the fuse. Sometimes these vehicles are fitted with an anti theft device which may remain dormant for years and suddenly begin working for no apparent reason. If that is the case you will need to have the key re encoded. regards John.

Mar 29, 2012 | 1989 Nissan Sentra 4 Door

1 Answer

2003 F-150 regular cab automatic transmission and the 4WD will not engage.


Operationally vacuum shifts the front axle between 2WD and 4WD mode. The GEM ( Generic Electronics Module ) applies ground to the solenoid needed for the mode selected on the switch ( for ESOF ) or when the transfer case shift lever is moved ( MSOF ).The contact plates in the transfer case signal the GEM that the transfer case is engaged, and the Vacuum solenoids need to be activated ( either 2WD to 4WD or 4WD to 2WD ).


Lift and support the front of the truck so the front wheels are off the ground ( take safety precautions, chock wheels, jack stands, etc )
Key on, engage 4x4 and try to turn the front drive shaft.
- If it turns it is a problem with the transfer case.
- If it doesn't it is a front axle engagement problem.

- If the front drive shaft does not turn :
•With the truck running ( with front wheel back on the ground ), switch from 2WD to 4WD and back again, the vacuum shift motor should move the lever on the front axle.
{ picture of shift motor }
-- If the vacuum shift motor does not move:
•Check for vacuum on the lines while shifting between modes. Pink vacuum line is 2WD mode, Light Blue vacuum line is 4WD.
•Check the fuses for the 4WD system and the solenoids.
•Check the vacuum lines from the vacuum shift motor to the solenoids on the firewall.
•Check the vacuum lines from the solenoids to the vacuum reservoir box behind the battery.
•Check the vacuum reservoir box for cracks.
•Typical solution is the vacuum lines ( to the solenoids or to the vacuum shift motor ) are cracked or the vacuum shift motor has a cracked diaphragm and has water in it.
•Could be the shift plate contacts in the transfer case are corroded / not making good contact, and not activating the solenoids.
sscullys_111.jpg

- If the front drive shaft turns:
•For ESOF system
-- Check the fuses for the transfer case, engine compartment fuse panel, 17 & Cab fuse panel fuses 13 and 23 ( verify with owners manual, 97-97 & 99-03 MY can be slightly different on some items ).
-- Try hitting the transfer case with a dead blow hammer ( do not use a metal hammer, it can damage the transfer case ) to see if the transfer case shift motor is hung up .
-- Check the transfer case connector, to make sure the connector pins are clean and making good contact.
•For MSOF systems
-- Check that the shift linkage on the transfer case is moving when the lever is moved from 2W to 4H and 4L.

Jan 10, 2011 | 2003 Ford F150 Regular Cab

1 Answer

I have a 2003 gmc envoy the service 4wd light came on and 4wd didnt engage what do you think the the problem is


Possible the actuator on the front axle is bad! You need to see if the front drive shaft is rotating when the 4HI is engaged with out running yourselft over in the process.

There is one actuator on the axle and one on the transfer case, the one on the trnsfer case locks the drive shaft in ans out of 4HI and 4LO. The actuator on the frontaxle locsk the front drive shaft in
.

Also, try the wires going to the front actuator, they seem to break very easy and short, also the front Actuator, check it.
  1. Raise and support the truck on jackstands.
  2. Drain the transfer case.
  3. Disconnect the speedometer cable.
  4. On models equipped with the NP208 transfer case, place the case in the 4H position.
  5. Remove the skid plate and if necessary, the crossmember support.
  6. If necessary, on trucks with automatic transmission, disconnect the strut rod.
  7. Tag and unplug all electrical connections and hoses from the transfer case.
  8. On models equipped with the NP208 transfer case, remove the parking brake cable guide from the pivot on the right frame rail.
  9. Matchmark the driveshafts, disconnect them, and remove them.
  10. Disconnect the shift lever rod.
  11. Support the transfer case and remove the bolts attaching the transfer case to transmission adapter.
  12. Move the transfer case to the rear until the input shaft clears the adapter and lower the transfer case from the truck.

Sounds as though you a have a problem with the switch itself, although it could be the encoder on the transfer case , me--- I would have it checked at a transmision shop where they have a computer to check it. Every time you unhook a wire on the truck , you should have the + cable off the battery, cause this puts another code into your main computer.

Keep us uopdated.

Dec 22, 2010 | 2003 GMC Envoy

2 Answers

2002 yukon front end wont engage


2002 GMC Yukon

2002 GMC Yukon

2004 TRANSMISSION Transfer Case - NVG 149-NP (One Speed Automatic) - SUV

2004 TRANSMISSION Transfer Case - NVG 149-NP (One Speed Automatic) - SUV

TRANSFER CASE NO FRONT DRIVE

Transfer Case No Front Drive

Cause

Correction

DEFINITION: The transfer case is not delivering engine torque to the front propeller shaft.

Review the Symptoms - Transfer Case and perform the necessary inspections.

Viscous coupling faulty 1. Inspect the transfer case fluid for being black. If the fluid is

black, it is most likely caused by a viscous coupling failure.

2. Test for a faulty viscous coupling. Refer to Transfer Case

Description and Operation.

3. Disassemble the transfer case. Refer to Transfer Case

Disassemble in Transfer Case - NVG 149-NP3 Unit Repair.

4. Inspect the viscous coupling for a bulged cover. Refer to

Cleaning and Inspection in Transfer Case - NVG 149-NP3 Unit

Repair.

5. Replace the viscous coupling if it is faulty. Refer to Transfer

Case Assemble in Transfer Case - NVG 149-NP3 Unit Repair.

Planetary carrier faulty 1. Disassemble the transfer case. Refer to Transfer Case

Disassemble in Transfer Case - NVG 149-NP3 Unit Repair.

2. Inspect for faulty planetary carrier components. Refer to

Cleaning and Inspection in Transfer Case - NVG 149-NP3 Unit

Repair.

3. Replace any faulty planetary carrier components. Refer to

Transfer Case Assemble in Transfer Case - NVG 149-NP3 Unit

Repair.

Oct 19, 2010 | GMC Yukon Cars & Trucks

2 Answers

What kinda oil do you use for the transfer case


it is from gm a blue oil called automatic transfer case oin

Nov 07, 2009 | 1999 GMC Jimmy

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