'08 Compass.. making weird noises. - Jeep Compass Forum
 
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post #1 of 15 Old 05-10-2011, 09:28 PM Thread Starter
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'08 Compass.. making weird noises.

So, I own a 2008 Jeep Compass Sport. I purchased my Compass back in July of 2010. About 2 months ago, I noticed my Compass making weird noises. It was sort of a knocking noise and NOW it's making a weird squeaking noise. I brought it to the dealership that I bought it from, they told me it's the A.C. compressor and idler and tensioner. They quoted me over $1000, now mind you, I have a 4 month old baby I have to take care of. So, I definitely can not afford $1000. I brought it to a different mechanic, he said it's absolutely NOT the A.C. compressor but possibly the idler and tensioner. He also said he thinks it's the Powersteering pump. So, we had him replace the powersteering pump. It's still making all the noises, hasn't gotten better it's actually gotten much worse. Now he says it's the alternator.. IDK what the hell it is and I can't be dishing out all of this money for it not to be the issue. I need some help with this. Is it the alternator, idler and tensioner?
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post #2 of 15 Old 05-12-2011, 11:47 AM
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The power steering pump should be switched back to the original (non defective one) no charge. It is up to you to continue with this hit or miss mechanic or go to the stealership who really have "the know how" to fix problems they are familiar with.
If the dealer was to replace the AC compressor and it was not the problem they would for sure put back the original part but they are right more often then not.
(Just my two cents for what they are worth)
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post #3 of 15 Old 05-12-2011, 09:36 PM
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Many things under the hood can make a noise. There are also many types of noises. The best answer if from a knowledgeable mechanic there listening and checking this problem out. Its impossible for us to say. Especially on the information on hand.

Jeep Compass 2009
4x4, 2.4L, CVT
North Edition
heated seats, TPMS
General Altimax RT43 P225/65R17
Yellow Fog Lamps
CLASS III Curtis Hitch
SOLD @ 153,000km Oct. 2018 THE END !!
Belleville, Ontario, Canada

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post #4 of 15 Old 05-12-2011, 10:03 PM
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check for the noise yourself. If the noise is present regardless if the a/c is on or not...then its not the compressor. drop a little water on the belt..if the noise changes then you know its either a pulley,belt,or tentioner. if not continue to try to isolate sounds. move things around...when metal touches metal, it can also squeal. Also, get a long screwdriver put the handle end to your ear and touch the other end to components under the hood. Just be careful. Happy hunting
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post #5 of 15 Old 06-27-2011, 07:36 AM
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If the alternator pulley goes bad, it may sound like a worn out timing belt and tensioner. The alternator pulley has a built in clutch mechanism that actually helps smooth out the rotation and tension on the serpentine belt. This is the reason why the belt runs so smoothly on the pulleys in an engine with a good alternator clutch. If you can remove the belt, you can find out if the alternator clutch is bad because when you rock it back and forth you will feel a great looseness if its bad. Only do this if you are a mechanic or thoroughly familiar with working on engines ok?
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post #6 of 15 Old 06-27-2011, 11:36 AM
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Clutch on Alternator?

Quote:
Originally Posted by jeepney_driver View Post
... The alternator pulley has a built in clutch mechanism that actually helps smooth out the rotation and tension on the serpentine belt. ...?
I have not seen a clutch on the end of an alternator before. Is this new for these engines. What purpose would be solved by putting a clutch on the alternator shaft (they've always been direct drive). I have seen one way clutches (free wheel the shaft if spinning the opposite direction). The only other type is what is typically used on the A/C compressor to engage it and don't see the reason for need that after decades of direct drive applications either. Seem like an unnecessary point of failure if thats what has been done here.

Jeep Compass 2009
4x4, 2.4L, CVT
North Edition
heated seats, TPMS
General Altimax RT43 P225/65R17
Yellow Fog Lamps
CLASS III Curtis Hitch
SOLD @ 153,000km Oct. 2018 THE END !!
Belleville, Ontario, Canada

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post #7 of 15 Old 08-13-2011, 03:34 AM
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When the engine is running, the alternator is always under load. This is due to the fact that it is providing almost all the electrical needs of the car. Not only is it charging the battery, it is also powering the ignition system and the car's computerized systems. When the alternator is charging the battery, the battery is not providing electrical power. It is taking electrical power and also acts as a regulator to help maintain the 13.8 optimum voltage. The power being taken from the alternator is not always smooth. At several points this current fluctuates. Sometimes a little up and sometimes a little down. It happens very fast and causes belt flutter on a non-clutch equipped alternators. The clutch/pulley combination smooths out these fluctuations that's why new engines such as ours run very smoothly and relatively quiet throughout its rev range.

This clutch is small... being built inside the pulley unit. It works very hard and cannot be expected to last forever. When the alternator becomes noisy, this clutch/pulley combo can be replaced. Yes, they can be and the repair will cost less than replacing the entire alternator. Some dealers might recommend replacing the entire alternator tho. Costs around $600.oo Yes it does! It all depends on how many miles you have on your car. If your car has less than 100k miles, then you should consider replacing only the clutch/pulley. This should save you some money. The alternator itself is long lived. My old Bimmer reached 450,ooo miles before I had to replace the alternator.
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post #8 of 15 Old 08-19-2011, 11:16 PM
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Mine started making the same noise a few days ago. Bought and replaced the power steering pump and it wasn't that. I'm just hoping it's a pulley or tensioner because everything else is pretty $$.
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post #9 of 15 Old 08-22-2011, 07:24 PM
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You-all did not checkout my thread about this with a detailed video. Sit back a watch it is posibility its the ADP.

http://www.myjeepcompass.com/forums/...nator-adp.html

Jeep Compass 2009
4x4, 2.4L, CVT
North Edition
heated seats, TPMS
General Altimax RT43 P225/65R17
Yellow Fog Lamps
CLASS III Curtis Hitch
SOLD @ 153,000km Oct. 2018 THE END !!
Belleville, Ontario, Canada

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post #10 of 15 Old 09-13-2011, 11:19 PM Thread Starter
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Thanks guys. It was the alternator.. Unfortunately there's something wrong with my Compass, yet again. If it's not one thing, its another! I was driving home yesterday, I noticed that where it says P R N D, all of those were in the lighted box (the box that indicates what geer you're in.) Everytime I would stop, or start moving again, something under my shift knob was like.. wobbling around. I had to stop and get gas, when I turned my car back on, everything was fine until I started driving again. About 10 feet up the road, everything lit up again but it all started flashing like crazy then my check engine light came on. I took it to Autozone to get the codes.. P0700 and P0708. I guess these have something to do with the transmission. Has anyone else had this problem with their Compass?
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post #11 of 15 Old 09-13-2011, 11:34 PM
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Quote:
Originally Posted by als0102 View Post
Thanks guys. It was the alternator.. Unfortunately there's something wrong with my Compass, yet again. If it's not one thing, its another! I was driving home yesterday, I noticed that where it says P R N D, all of those were in the lighted box (the box that indicates what geer you're in.) Everytime I would stop, or start moving again, something under my shift knob was like.. wobbling around. I had to stop and get gas, when I turned my car back on, everything was fine until I started driving again. About 10 feet up the road, everything lit up again but it all started flashing like crazy then my check engine light came on. I took it to Autozone to get the codes.. P0700 and P0708. I guess these have something to do with the transmission. Has anyone else had this problem with their Compass?
P0700 TRANSMISSION CONTROL SYSTEM MALFUNCTION

P0708 TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION.

Alain
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post #12 of 15 Old 09-13-2011, 11:42 PM
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Ok, REALTUNE's got the info. The following is not Jeep or Compass specific however may be helpful. All tranny related in this family. Maybe a shop manual could shed more light on it. You had your alternator replace. I would have it rechecked because Jeeps historically don't like nor tolerate unstable power or a bad battery. I would very that you power output is 100% first.

CODES:
P0700-P0799 – Transmission
Code Description
P0700 Transmission Control System (MIL Request) Malfunction
P0701 Transmission Control System Range/Performance
P0702 Transmission Control System Electrical
P0703 Torque Converter/Brake Switch B Circuit Malfunction
P0704 Clutch Switch Input Circuit Malfunction
P0705 Transmission Range Sensor Circuit malfunction (PRNDL Input)
P0706 Transmission Range Sensor Circuit Range/Performance
P0707 Transmission Range Sensor Circuit Low Input
P0708 Transmission Range Sensor Circuit High Input
P0709 Transmission Range Sensor Circuit Intermittent
P0710 Transmission Fluid Temperature Sensor A Circuit Malfunction
P0711 Transmission Fluid Temperature Sensor A Circuit Range/Performance
P0712 Transmission Fluid Temperature Sensor A Circuit Low Input
P0713 Transmission Fluid Temperature Sensor A Circuit High Input
P0714 Transmission Fluid Temperature Sensor A Circuit Intermittent
P0715 Input/Turbine Speed Sensor A Circuit Malfunction
P0716 Input/Turbine Speed Sensor A Circuit Range/Performance
P0717 Input/Turbine Speed Sensor A Circuit No Signal
P0718 Input/Turbine Speed Sensor A Circuit Intermittent
P0719 Torque Converter/Brake Switch B Circuit Low
P0720 Output Speed Sensor Circuit Malfunction
P0721 Output Speed Sensor Range/Performance
P0722 Output Speed Sensor No Signal
P0723 Output Speed Sensor Intermittent
P0724 Torque Converter/Brake Switch B Circuit High
P0725 Engine Speed input Circuit Malfunction
P0726 Engine Speed Input Circuit Range/Performance
P0727 Engine Speed Input Circuit No Signal
P0728 Engine Speed Input Circuit Intermittent
P0729 Gear 6 Incorrect Ratio
P0730 Incorrect Gear Ratio
P0731 Gear 1 Incorrect ratio
P0732 Gear 2 Incorrect ratio
P0733 Gear 3 Incorrect ratio
P0734 Gear 4 Incorrect ratio
P0735 Gear 5 Incorrect ratio
P0736 Reverse incorrect gear ratio
P0737 TCM Engine Speed Output Circuit
P0738 TCM Engine Speed Output Circuit Low
P0739 TCM Engine Speed Output Circuit High
P0740 Torque Converter Clutch Circuit Malfunction
P0741 Torque Converter Clutch Circuit Performance or Stuck Off
P0742 Torque Converter Clutch Circuit Stock On
P0743 Torque Converter Clutch Circuit Electrical
P0744 Torque Converter Clutch Circuit Intermittent
P0745 Pressure Control Solenoid A Malfunction
P0746 Pressure Control Solenoid A Performance or Stuck Off
P0747 Pressure Control Solenoid A Stuck On
P0748 Pressure Control Solenoid A Electrical
P0749 Pressure Control Solenoid A Intermittent
P0750 Shift Solenoid A Malfunction
P0751 Shift Solenoid A Performance or Stuck Off
P0752 Shift Solenoid A Stuck On
P0753 Shift Solenoid A Electrical
P0754 Shift Solenoid A Intermittent
P0755 Shift Solenoid B Malfunction
P0756 Shift Solenoid B Performance or Stock Off
P0757 Shift Solenoid B Stuck On
P0758 Shift Solenoid B Electrical
P0759 Shift Solenoid B Intermittent
P0760 Shift Solenoid C Malfunction
P0761 Shift Solenoid C Performance or Stuck Off
P0762 Shift Solenoid C Stuck On
P0763 Shift Solenoid C Electrical
P0764 Shift Solenoid C Intermittent
P0765 Shift Solenoid D Malfunction
P0766 Shift Solenoid D Performance or Stuck Off
P0767 Shift Solenoid D Stuck On
P0768 Shift Solenoid D Electrical
P0769 Shift Solenoid D Intermittent
P0770 Shift Solenoid E Malfunction
P0771 Shift Solenoid E Performance or Stuck Off
P0772 Shift Solenoid E Stuck On
P0773 Shift Solenoid E Electrical
P0774 Shift Solenoid E Intermittent
P0775 Pressure Control Solenoid B
P0776 Pressure Control Solenoid B Performance or Stuck Off
P0777 Pressure Control Solenoid B Stuck on
P0778 Pressure Control Solenoid B Electrical
P0779 Pressure Control Solenoid B Intermittent
P0780 Shift Malfunction
P0781 1-2 Shift Malfunction
P0782 2-3 Shift Malfunction
P0783 3-4 Shift Malfunction
P0784 4-5 Shift Malfunction
P0785 Shift/Timing Solenoid Malfunction
P0786 Shift/Timing Solenoid Range/Performance
P0787 Shift/Timing Solenoid Low
P0788 Shift/Timing Solenoid High
P0789 Shift/Timing Solenoid Intermittent
P0790 Normal/Performance Switch Circuit Malfunction
P0791 Intermediate Shaft Speed Sensor A Circuit
P0792 Intermediate Shaft Speed Sensor A Circuit Range/Performance
P0793 Intermediate Shaft Speed Sensor A Circuit No Signal
P0794 Intermediate Shaft Speed Sensor A Circuit Intermittent
P0795 Pressure Control Solenoid C
P0796 Pressure Control Solenoid C Performance or Stuck Off
P0797 Pressure Control Solenoid C Stuck on
P0798 Pressure Control Solenoid C Electrical
P0799 Pressure Control Solenoid C Intermittent




P0800-P0899 – Transmission
Code Description
P0800 Transfer Case Control System (MIL Request)
P0801 Reverse Inhibit Control Circuit Malfunction
P0802 Transmission Control System MIL Request Circuit/Open
P0803 1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction
P0804 1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction
P0805 Clutch Position Sensor Circuit
P0806 Clutch Position Sensor Circuit Range/Performance
P0807 Clutch Position Sensor Circuit Low
P0808 Clutch Position Sensor Circuit High
P0809 Clutch Position Sensor Circuit Intermittent
P0810 Clutch Position Control Error
P0811 Excessive Clutch Slippage
P0812 Reverse Input Circuit
P0813 Reverse Output Circuit
P0814 Transmission Range Display Circuit
P0815 Upshift Switch Circuit
P0816 Downshift Switch Circuit
P0817 Starter Disable Circuit
P0818 Driveline Disconnect Switch Input Circuit
P0819 Up and Down Shift Switch to Transmission Range Correlation
P0820 Gear Lever X-Y Position Sensor Circuit
P0821 Gear Lever X Position Circuit
P0822 Gear Lever Y Position Circuit
P0823 Gear Lever X Position Circuit Intermittent
P0824 Gear Lever Y Position Circuit Intermittent
P0825 Gear Lever Push-Pull Switch (Shift Anticipate)
P0826 Up and Down Shift Switch Circuit
P0827 Up and Down Shift Switch Circuit Low
P0828 Up and Down Shift Switch Circuit High
P0829 5-6 Shift
P0830 Clutch Pedal Switch A Circuit
P0831 Clutch Pedal Switch A Circuit Low
P0832 Clutch Pedal Switch A Circuit High
P0833 Clutch Pedal Switch B Circuit
P0834 Clutch Pedal Switch B Circuit Low
P0835 Clutch Pedal Switch B Circuit High
P0836 Four Wheel Drive (4WD) Switch Circuit
P0837 Four Wheel Drive (4WD) Switch Circuit Range/Performance
P0838 Four Wheel Drive (4WD) Switch Circuit Low
P0839 Four Wheel Drive (4WD) Switch Circuit High
P0840 Transmission Fluid Pressure Sensor/Switch A Circuit
P0841 Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance
P0842 Transmission Fluid Pressure Sensor/Switch A Circuit Low
P0843 Transmission Fluid Pressure Sensor/Switch A Circuit High
P0844 Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent
P0845 Transmission Fluid Pressure Sensor/Switch B Circuit
P0846 Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance
P0847 Transmission Fluid Pressure Sensor/Switch B Circuit Low
P0848 Transmission Fluid Pressure Sensor/Switch B Circuit High
P0849 Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent
P0850 Park/Neutral Switch Input Circuit
P0851 Park/Neutral Switch Input Circuit Low
P0852 Park/Neutral Switch Input Circuit High
P0853 Drive Switch Input Circuit
P0854 Drive Switch Input Circuit Low
P0855 Drive Switch Input Circuit High
P0856 Traction Control Input Signal
P0857 Traction Control Input Signal Range/Performance
P0858 Traction Control Input Signal Low
P0859 Traction Control Input Signal High
P0860 Gear Shift Module Communication Circuit
P0861 Gear Shift Module Communication Circuit Low
P0862 Gear Shift Module Communication Circuit High
P0863 TCM Communication Circuit
P0864 TCM Communication Circuit Range/Performance
P0865 TCM Communication Circuit Low
P0866 TCM Communication Circuit High
P0867 Transmission Fluid Pressure
P0868 Transmission Fluid Pressure Low
P0869 Transmission Fluid Pressure High
P0870 Transmission Fluid Pressure Sensor/Switch C Circuit
P0871 Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance
P0872 Transmission Fluid Pressure Sensor/Switch C Circuit Low
P0873 Transmission Fluid Pressure Sensor/Switch C Circuit High
P0874 Transmission Fluid Pressure Sensor/Switch C Circuit Intermittent
P0875 Transmission Fluid Pressure Sensor/Switch D Circuit
P0876 Transmission Fluid Pressure Sensor/Switch D Circuit Range/Performance
P0877 Transmission Fluid Pressure Sensor/Switch D Circuit Low
P0878 Transmission Fluid Pressure Sensor/Switch D Circuit High
P0879 Transmission Fluid Pressure Sensor/Switch D Circuit Intermittent
P0880 TCM Power Input Signal
P0881 TCM Power Input Signal Range/Performance
P0882 TCM Power Input Signal Low
P0883 TCM Power Input Signal High
P0884 TCM Power Input Signal Intermittent
P0885 TCM Power Relay Control Circuit/Open
P0886 TCM Power Relay Control Circuit Low
P0887 TCM Power Relay Control Circuit High
P0888 TCM Power Relay Sense Circuit
P0889 TCM Power Relay Sense Circuit Range/Performance
P0890 TCM Power Relay Sense Circuit Low
P0891 TCM Power Relay Sense Circuit High
P0892 TCM Power Relay Sense Circuit Intermittent
P0893 Multiple Gears Engaged
P0894 Transmission Component Slipping
P0895 Shift Time Too Short
P0896 Shift Time Too Long
P0897 Transmission Fluid Deteriorated
P0898 Transmission Control System MIL Request Circuit Low
P0899 Transmission Control System MIL Request Circuit High

Source
OBDII PorwerTrain P Codes

Jeep Compass 2009
4x4, 2.4L, CVT
North Edition
heated seats, TPMS
General Altimax RT43 P225/65R17
Yellow Fog Lamps
CLASS III Curtis Hitch
SOLD @ 153,000km Oct. 2018 THE END !!
Belleville, Ontario, Canada

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post #13 of 15 Old 09-14-2011, 12:44 AM Thread Starter
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Wow, thanks a lot! I tried calling fuccillos, where I purchased if from and explained to the lady all of the issues ive had with it and I've only had it since July 2010. She told me to speak with the general manager so I left him a voice msg lAstnight and still haven heard from him. At this point, im about to get rid of the damn thing. It's giving me nothing but issues.

When we replaced the alternator, we got it from a caliber.. I guess theyre the same thing?
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post #14 of 15 Old 09-14-2011, 01:56 AM
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Well yours is a 2008 and the 2007 seem to have the most problems. If you have or can get an full warranty which also covers suspension etc. you'll be better off. I have been watching mine like a hawk and have everything possible checked not once but twice etc if in doubt. If there even a hint of something while under warranty take it in over and over and other dealers to be certain. So far my front end control arms and tie rod ends are tight. Just checked again today at a dealer and all is sound. Once the warranty is over you don't want a bill a few months down the road.

Good luck

Jeep Compass 2009
4x4, 2.4L, CVT
North Edition
heated seats, TPMS
General Altimax RT43 P225/65R17
Yellow Fog Lamps
CLASS III Curtis Hitch
SOLD @ 153,000km Oct. 2018 THE END !!
Belleville, Ontario, Canada

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post #15 of 15 Old 11-04-2011, 02:42 PM
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noises

I just ran into the same problem with my 2007. There is a clutch pulley that allows the belt to slide with more or less torque, depending on the electrical load needed, which is meant to improve gas mileage. Unfortunately, we were unable to find the pulley alone and had to replace the alternator. Other than have to replace a tie rod end and sway bar links, that the only problem I have had with mine in the 2 years I've owned it.
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