Help on tempature gauge

Tiny
KILLOWATT1
  • MEMBER
  • 1994 CHEVROLET SILVERADO
  • 225,000 MILES
Have replaced t-stat & sensors, gauge starts at 0 goes completly to 260 deg. Then drops to about 120 when t-stat opens. Then the hand will rise and fall between the 120 &210 as you drive so im thinking re-build the gauge. Thank you mike
Thursday, January 12th, 2012 AT 4:55 PM

9 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
What about the temp sending unit?
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Thursday, January 12th, 2012 AT 6:37 PM
Tiny
KILLOWATT1
  • MEMBER
  • 4 POSTS
Also changed sending units thanks mike
Was this
answer
helpful?
Yes
No
Friday, January 13th, 2012 AT 7:16 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Yes, it could be the wiring or gage itself. Usually the sending unit provides resistance to ground, so if one wire, you can take it loose, key on, touch wire to ground, see if gage goes to moving. I don't like to peg-out a gage, I use a resistor to test.
Was this
answer
helpful?
Yes
No
Friday, January 13th, 2012 AT 8:36 PM
Tiny
KILLOWATT1
  • MEMBER
  • 4 POSTS
Yes sir the gauge pegs out if momenterly grounded. Do this year modle use a stepper motor on the gauge? Thanks mike
Was this
answer
helpful?
Yes
No
Saturday, January 14th, 2012 AT 6:38 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Did u replace the coolant temp. Sensor?
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Saturday, January 14th, 2012 AT 6:49 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Looks like your gage and wiring are ok, unless the issue is intermittent. I didn't see a stepper motor.
Was this
answer
helpful?
Yes
No
Saturday, January 14th, 2012 AT 7:54 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Coolant temp. Sensor?Is the engine overheating?
Was this
answer
helpful?
Yes
No
Monday, January 16th, 2012 AT 6:53 PM
Tiny
KILLOWATT1
  • MEMBER
  • 4 POSTS
No the truck does not seem to be overheating
Was this
answer
helpful?
Yes
No
Tuesday, January 17th, 2012 AT 7:49 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
If its not over heating and you dont here the engine clatter on axceleration. Its not over heating. Normal swing on a heat gauge is like220 on and 195 off.I cant see yours going to 120. The coolant sensor controls this function also.
Was this
answer
helpful?
Yes
No
Tuesday, January 17th, 2012 AT 9:06 PM

Please login or register to post a reply.

Related General Content

GUIDE
Inquire Here

Sponsored links