Question about 1995 GMC Sierra
The ears through which the sensor is bolted to the frame have rusted off and the sensor is just hanging there, although it seems to still be functioning. Also, I am having great difficulty finding the part since it apparently is no longer made. Any suggestions on where I can find the part. Thanks for your assistance.
The part needs to be securely mounted for it to sense impact and deploy the air bags
that can be achieved by mounting a bracket around it to hold it in place
parts can be obtained from the wreckers / junk yards or generic units from e-bay or quality auto spares shops and while the dealer says that the part is no longer available for that model , it may just have a number change and fit a later model
GM will not make the part but use a manufacturer item and place it in a GM box to inflate the price
Posted on Dec 05, 2017
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Posted on Jan 02, 2017
The front crash sensor is on or near the radiator support under the hood, it is a little square box, one question why do you think it has a problem? it is a mechanical device, a steel ball bearing sitting in an inverted cone, when you crash the ball bearing breaks free of the magnet, that breaks a connection and signals the airbag monitor to fire the airbags, it takes a 5+ MPH impact to set all this in motion, there are side impact sensors as well, the physics of these are a little different, they are measured in G force of the impact, hope all this doesn't bore, one note the fuel that fires the air bag is made by the same folks that make rocket fuel for the solid fuel boosters of the space shuttle.
Posted on Oct 15, 2008
See Figure 2
Fig. 2: Outside mirror-below eyeline type
Posted on Nov 12, 2008
Check coolant level. Check for heat at the heater hose going from water pump to heater core at firewall. Check to see that cable is moving coolant control valve from the closed to open position. Low mileage so it shouldn't be plugged heater core.
Posted on Jan 07, 2010
Testimonial: "You were absolutely correct. Low coolant level. Put in some 50/50 and we're nice and toasty now, but need to find out why coolant was so low. Thanks."
have it tested using a manual gage if still low then main baring ore most likely bad that would mean a over hall if is really low and bearings bad should be making rattle noise when started up first few seconds
Posted on Mar 11, 2010
Testimonial: "thanks alot.truck is not making a rattling noise.we did check it with a manual gauge.it read about 10 at idol. press. gets better as you incr speed"
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