Question about 2003 Hummer H2

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Clicking noise after speeds of 40 mph constantly coming from instrument panel

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Speedo cable is dry.Remove dash and grease the cable.

Posted on Nov 18, 2009

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Posted on Jan 02, 2017

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My 2001 xterra started making a weird sound between 20 and 35 mph. It sounds like there is a leak in some pressure system.


Common Car Noises and Their Likely Causes Noise More Details Likely Cause Fixing It Clicking noise while turning Starts faint, gradually becomes more noticeable until very loud Failed outer CV joint (constant velocity joint) due to torn boot (most likely) or old age Replace either the whole axle assembly (recommended) or the outer CV joint Water pump noises Difficult to diagnose because of water pump's location Noise usually caused by damage to the bearings in failed water pump Only cure is replacing it. If possible do it at the same time as a timing belt replacement to cut down on labor costs Squeak or squeal from an engine belt Loud, high-pitched squeak or squeal Belts either need adjustment or replacing If belts only squeak when damp, they probably just need adjustment. If they squeak constantly, they probably need to be replaced Exhaust heat shield noises Rattle that you hear when car is idling Damaged heat shield Replace heat shield

Sep 28, 2016 | 2001 Nissan Xterra

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Whistle noise


A whistling noise can be generated by an alternator at high RPM's and indicates a slip ring brush problem or a diode failing . It resembles a frequency whistle.. IT may also be from a leaking gasket and a partially blocked exhaust system from a failed cat converter and at speed and power, the exhaust gas is forced out the hole

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Car Surging


Possible wheel alignment or balance. Have front end checked

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Speedometer Problem


Did you try the instrument self test? With ignition switch in off, press the odometer reset button and while pressing it, switch ignition in run. Now all indicator lamps will come on and you can release the button. All indicators will run to full scale and should return to normal position.
The instrument cluster gets the speed information from the PCM (powertrain control module). The PCM gets the info from the ABS controller. I would pull the fuse from the ABS controller and see if it will change the speed indication. If it does, then the problem is with the ABS controller, if it doesn t, then most probably the instrument cluster is faulty.

May 22, 2013 | 2004 Jeep Grand Cherokee

1 Answer

Speedometer gives false reading after car warms up


Check that the body ground is clean and tight. I'm talking of the connection to your instrument panel. This connection be loose or corroded can make for improper impulses and incorrect readings. Lower impulses at lower speeds may be correct because it doesn't need the power as much for slower impulses. Only makes sense.

Aug 29, 2017 | 1998 Volkswagen Beetle

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2001 BMW 325i Rattling / vibrating and iddle drop at 2000 RPM and 40 MPH


check for problem drive line "U" joints or cv joints

Apr 24, 2017 | 2001 BMW 3 Series

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78 mark V 460 : humming noise at acceleration and between a range of rpm


Exhaust touching under somewhere when engine torque increased, Egr tube, or anti-backfire valve at rear of engine etc. Other possibilities, Motor mount (especially opposite side) , transmission mount. Have you tried brake torque to see how much engine shifts? Once your up to higher speeds, less torque required to push that Big thing down the road. ha ha.
What type of noise is it, if you can describe? Have U-joints been checked?

Apr 05, 2012 | Lincoln Cars & Trucks

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Humming noise between 40-50 mph


tire shape ,wheel balance.any leakage at wheels.

Oct 02, 2009 | 2004 Chevrolet TrailBlazer

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