Question about 1994 Volvo 850
Cruise control will not function now. Checked fuses but don't know what else to check.
Posted by Anonymous on
Check vacuum line and cable from the cruise unit. You need a factory scan tool to check it beyond that unless you are real good with a volt meter.
Posted on Apr 15, 2015
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Posted on Jan 02, 2017
SOURCE: Cruise control for 1996 960volvo
I had approached a local garage that specialize in import cars and asked for some advice on my issue. They gave me some ideas to try and look for. remember that I am mechanically incline when it comes to most things. Feeling armed with some good info, I went home to work on some of their suggestions. One suggestions was to check the brakeing switch that works off the brake pedal movement. As everyone knows, when you touch the brake when cruise is on it cancels out the cruise functions. The mechanic said that if this was not working properly the the cruise control would not work as well. I was also told to check all the vacume lines that have to deal with the cruise assembly. Upon inspection of the lines I noticed some vacume modules. So I tapped all the modules with a rubber handled screw driver as well.
Later that day I took the car for a drive and tried the cruise control and low and behold, it worked. This advice cost me just a little bit of my time and thats all. I am so gratefull for the advice that was given to me from Alpine Motors that led to a simple fix for my issue, that I when to the local donut shop and bought a large box of treats for them. I was fortunate this time arround, but I didn't give up hope that this issue was not as serious as it seems to be.
Posted on Jul 01, 2008
SOURCE: cruise control won't engage
most likely the clock spring is not the problem because when u push the button the dash light cruise comes on.wich means that you do not have an open circuit.with a light tester check to see if you are getting power to the cruise control servo.if you are then replace it.if no power you will need a new cruise control stick on the steering column.
Posted on Jan 08, 2009
You're going to have to figure out what's causing the misfire. The car is almost 10 years old, so change the plugs to start with. If you still have a misfire, go to auto zone and have them pull the codes to find out which cylinder is the issue. Then figure out fuel or spark? Coil or injector? Was there a lean code? Check for a vacuum leak. Change the fuel filter and air filter for maintanence. The cruise control may be another issue.
Posted on Aug 06, 2009
On my 2002 S80 T6, the problem is the brake booster diaphragm position sensor's failure (Volvo 2002 S80 T6 part #31261486--other years, models might be different). This is essentially a piston-driven potentiometer that tells the cruise control system when you've applied the brakes, signaling it to switch off control of the throttle. It's mounted on the back of the brake booster with a wire circlip. It's not easy to get at, and I had to remove the cross-brace between the shock mounts to get at it more easily. The part's about $90 from online parts sources, more at the dealer, plus my dealer wanted a king's ransom to install, $400, parts and labor! While not easy to get to, it's fairly easy to replace--just BE SURE to pump the brakes a lot, engine off, before removing it so that residual booster vacuum won't **** the rubber o-ring around the sensor's cylindrical body into the booster chamber. Hardest, most aggravating part is removing and replacing that steel circlip that holds the sensor in place. Dropping that little steel band into the back of the engine bay kicks off a whole new adventure!
Posted on Dec 05, 2009
could be a bad clocksping the airbag is on it to but one of the thin film "wires" that are glued to it may have cracked.all the switches are on one "wire" the resistance of each switch is how the body control computer knows what button is pushed. i broke one of those clocksprings accidently when i worked at volvo so thats how i know those things are/were 1400.00$ i would take it to the dealer to have them diagnose and repair. the clock spring breaks real easy when you take off the steering wheel.
Posted on Apr 24, 2010
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