Speedometer 10 mph fast at 70 mph motor and transmission run normal, i checked the ohms on the sensor and got 2140 ohms.
SOURCE: location of speed sensor on 2004 silverado automatic transmission
the speed sensor is located generally on the tailshaft housing or in other words where the driveshaft slides into transmission has a small black sensor with a couple of wires going to it. those trucks have a bad problem with the cluster going out on them though. more than likely that is going to be your problem. you have to take cluster to dealership (new one) and they have to burn the current mileage into it.
SOURCE: runs fine at startup, after warming up it dies at low speed 5-10
Fuel pump? That is odd, it seems there is no issue with getting fuel. I would check the idle and the choke settings. Try tweaking those a bit.
SOURCE: transmission
www.tvmadeez.com/tvinstadj.php
This is great info, need to pressure check trans to properly set up trans. for long life, check it out
Be cool
SOURCE: the speedometer of our 1994 silverado just started
Change the speed sensor on the transmission and see if the problem goes away.
SOURCE: my speedometer needle has moved all the way to the
The Vehicle Velocity sensor is located at the tail-shaft of the transmission on the drivers side. It's common for the wire leads to get damaged by corrosion or the sensor it self. Note: when there is a problem with that sensor, you will also experience Transmission problems like not shifting and a check engine light on the dash. Without that being mentioned I'm going to say it's your gauge cluster that has gone bad.
That is good news that:.
GM
has had a issue with the clusters in the
2003-2005 trucks. The cluster will be replaced for free for your truck
if it has less then 70k miles. I would take it to your local dealer
and tell them that the voltage gauge sticks at times. They should order
one for you, takes 1-2 days and replace it for you at no charge. If
this does not fix the problem, you will have a new cluster at no
charge.Unless the battery light comes on, the alternator should be
good. This is a copy of the GM bulletin.
#07187C: Special Coverage Adjustment - Instrument Panel Cluster Gauge Needle Function - (Mar 20, 2009)
This special coverage covers the condition
described above for a period of 7 years or 70,000 miles (110,000 km),
whichever occurs first, from the date the vehicle was originally placed
in service, regardless of ownership.
Dealers are to replace the instrument panel
cluster after the condition has been verified. The repairs will be made
at no charge to the customer.
For verified failures between 70,001 miles
(110,001 km) and 80,000 miles (130,000 km) on U.S. vehicles, dealers
are to provide the customer with an instrument panel cluster (IPC)
only. Any additional costs, including labor to replace the instrument
panel cluster, will be the responsibility of the customer. Dealers are
responsible for the return of the customer's IPC back to the Electronic
Service Center.
For vehicles covered by Vehicle Service
Contracts, all eligible claims with repair orders on or after September
28, 2007 for 2003-2004 model year vehicles, and March 23, 2009 for 2005
model year vehicles, are covered by this special coverage and must be
submitted using the labor operation codes provided with this bulletin.
Claims with repair orders prior to September 28, 2007 for 2003-2004
model year vehicles, or March 23, 2009 for 2005 model year vehicles,
must be submitted to the Service Contract provider.
Involved are all 2003 and 2004 model
year and certain U.S. 2005 Cadillac Escalade, Escalade ESV, and
Escalade EXT; Chevrolet Avalanche, Silverado, Suburban, and Tahoe; and
GMC Sierra, Yukon, and Yukon XL vehicles built within the following VIN
breakpoints: 51100014-51247028 / 5E100002-5E223209 / 5F800001-5F882297 / 5Z100003-5Z224691
Good luck friend.
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