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Volvo Maintenance and Repair
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Should I be worried about that engine vibration (it lasts maybe one second)? Anyone has any idea what that could be. One of my friends suggested it could be the engine mount, but the car idles perfectly, and rides even better.
Please, if you can help, let me know. YOu can also email me at jaymoka1@yahoo.com. Thank you, very much for your help.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
If ABS is never activated then the pressure should NOT be down, but if the system should for some reason have a slow leak then the pumpmotor will likely be restarted for each and every brake application. After ten restarts (92 LS400) the ECU "faults" the system.
Restarting the car gives you another "ten tries".
Its not too tough of a job to do yourself, so I'd get the part ASAP and wait for the first non-freezing day and get it done.
hope these instructions help:
http://www.volvospeed.com/Repair/o2sensor1.htm
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
A speedo shop can rebuild it for you. Only problem is your car is now TMU(True miles unknown, on the title)
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
since the poster hasn't commented back, I guess we are probably talking about this for no reason, but, hey, its not like there are a lot of problems flying around here.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
The trip odometer reads 000 and doesn't advance and the regular odometer is stuck on 201455. I guess it's to the shop. I was confused since the functions in the trip computer still work. I recently had a rear oil seal repair (and the clutch replaced since they were in there) - maybe it is related. Thanks for your response.
I purchased a 2002 s60 T5 and yesterday when I was driving it home I experienced a weird sensation. When I pressed the breaks at one intersection, the steering wheel move to the left but the car did not seem to move with it. I pressed the breaks again and the wheel went to the left again. After that I had to straighten the steering wheel to keep driving. This did not happen again. Was this the Dynamic stability control system kicking in? The car has brand new pads and rotors and the roads were slightly wet.
Thanks
As far as DSC, I couldn't tell you, but I don't believe it should be doing anything when braking. That's what ABS is for.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
When system detects some, even small wheel spin or lateral move of the vehicle, it either applies the brakes or adjust the torque to the appropriate wheel.
So, on the wet road, if due to the different friction in the brakes of the different wheels, one wheel appear to rotate faster or slower than the other, the DSTC will kick in.
Dynamic Stability and Traction Control (DSTC) is a sophisticated stabilization system which, in addition to the STC functions, intervenes and corrects any tendency to skid. A number of sensors monitor the rotational speed of all four wheels, the driver's steering wheel input -- e.g. the steering angle -- and the course of the car. The DSTC control unit processes these signals and, if any deviation from the norm is detected, such as the start of a rear-wheel skid, the system intervenes and gently activates the brakes to the appropriate wheel to put the car back on course again. It also reduces engine power if necessary.
Also, how can it apply brakes to a particular wheel when you are hitting your brakes and applying them to all wheels?
I really think (and I'm not saying I'm right, but this was my understanding) that DSC is implemented while driving and skidding. So your foot is on the gas, you slide, the system brakes at the appropriate wheels to get you under control.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
I see your point and it made me think, however, my understanding is (but I might be wrong), that once you have the DSTC on your car it takes over the ABS. The ABS becomes a sub-system that is used by DSTC.
I would want to hear from the expert on this subject.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
thanks.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
DSTC only functions in spin-out situations.
When driving thru a curve at high speeds for example, if the tail of the car starts to come around the DSTC system will activate the appropriate brake caliper to maintain the proper path.
ABS on the other hand will modulate all the brakes simultaneously if you hit the brake pedal while driving on a less than perfect surface.
The law in general does not prohibit a quote from the source, when that source is clearly indicated, unless quoting is explicitly prohibited.
The disclaimer on swedespeed says:
No photos, news stories, graphics, or Swedespeed logos may be used or reproduced without written permission
I have not done any of those.
But it's all right, your are the boss...
For the future reference, what would you consider as a reasonable length for the quotes?
The agreement specifies 25 words limit for the "outgoing" quotes. What would be that number, in your mind, for the "incoming" quotes from other sources?
Thanks.
And according to that article, the DSTC works in both braking and driving situations. Is that not true?
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
And if you read the official Volvo site, the ABS is not even mentioned as a feature, only STS, DSTC and TRACS ( for AWD, where applicable).
The 4 channel ABS system is designed to operate the 4 brakes independently in ABS mode, true.
My DSTC explanation was simple, but I just wanted everyone to know what the system was designed to do w/out going into engineeringese.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
And as usual, when something is over simplified - the sense is gone too.
The DSTC was designed to improve the safe handling of the car under all circumstances.
The DSTC operates all the time, under all driving conditions, from the time you turn the ignition key on, till the time you remove the ignition key off the lock.
Whether it interferes or not with your actions - that is a different story, but do not be confused - the sensors monitor the car's "behavior" constantly, and the system is ready to react in milliseconds, unless your turn it off.
For instance, it even works when car is still stationary. In winter I was getting out of the snow pile and no matter how hard I will press on the gas pedal, the DSTC will not let my FWD to spin. Try it, and you will understand my amazement. The feeling is totally counter intuitive at first - the engine revs up, but the wheels are turning really slow, digging you out from the snow.
Volvomax is totally off mark contrasting the DSTC to the ABS. The ABS is a subsystem of the DSTC, but not an independent system, unless you turn DSTC off.
According to all the sources the DSTC is a "marriage" of specifically enhanced ABS and ECU (electronic control unit).
http://www.swedespeed.com/news/publish/Features/printer_38.html
Any ideas? Thanks!
I think the confusion lies in reading articles such as you posted which only discuss DSTC. Everything in that article is true, I'm sure, but in relation to DSTC. For its part, yes, it utilizes the ABS and ECU. But the ABS does not, in turn, utilize the DSTC.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
The initial question was: Is the jolt in the steering wheel during the braking on the wet surface, while car maintains perfectly straight caused by DSTC?
The answer is - Yes, and I do not think it is debatable.
It is like saying that when someone intentionally touches something with his hand, that movement is not a product of that someone will, because, while sleeping, hands can move "independently" of that person consciences.
Remember, that the person who asked the question has stated that the car has DSTC and it was on.
And when thinking of dependency, remember your own body. The ECU is the "brains", the ABS is the "hand", the yaw sensor is the "eye", but DSTC is a whole body.
Yes, you can detach the hand from the body, but will it be the same?
Please do not be.
I am not confused.
So, let's be happy :-)
DSTC had nothing to do w/ your straight line snow traction. That was the STC part of the system. Yes, DSTC incorporates STC. DSTC is a yaw control program. Sorry to be splitting hairs.
I had sprayed the contacts with the electronic contact cleaner - available in any hardware store - and then, tied the male and female part of the connector together, crisscrossed over the latch to ensure better connection. It did cure the problem.
My problem was that once I start the car, the speedometer will work, but over sudden, the gauge will start oscillating from the read to zero, and eventually just fall to the zero mark. It would operate again, if you give the combination a nice kick with your fist. That drove me to the conclusion that the problem is electrical and is related to the loosen connection.
Any info is greatly appreciated!
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S
The only injectors that I could ever hear were the Bosch electro-mechanical injectors that Mercedes and Porsche used to use.