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V6-3.7L

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2005 Liberty V6 cranks but won't start - it also shows various MIL codes
Extended cranking can set the P0522 code for lack of oil pressure. The P0581 code has to do with the cruise control circuit. I wouldn't concern myself with this one until the car is running. It may clear itself at...
Question
My car vibrates while braking
Hopefully, the rotors were not warped at installation by failure to use a calibrated torque wrench and observe the required tightening sequence. The only way to rule the rotors in or out as the source of the vibration is to...
Question
Something under my car. Is making a terribly loud popping noise ( multiple multiple pops) 2003 Mercedes ML350
Hello - noises from under the car when starting and stopping are most likely from suspension components, especially with your advanced mileage. The vehicle rocks front-to-back in both scenarios because of shifts in weight distribution. Worn ball joints, control arm...
Question
Vehicle at running temp, turn on heat, no heat - stomp on gas, there is heat - ??? 2004 Jeep Liberty
Hello - regarding your lack of heater function unless the engine is revved up a bit, you have a coolant flow issue. This could be caused by a worn water pump (engine might be running warmer than normal?), a partially...
Question
When I turn the ac on it makes a very loud squeal that stops after a few minutes. 2007 Jeep Commander
Hi there - It's possible that the tensioner/idler pulley for the serpentine belt(https://www.yourmechanic.com/services/loud-squealing-or-rattling-is-coming-from-engine-inspection) by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, give you an accurate assessment of damage and...
Question
The catalytic converters went out on my car.
Hi there. I suggest getting the RV6 Perfomace catalytic converters for your vehicle. Both sets are for your vehicle, however, the RV6 design has a larger pipe and will not restrict the engine during hard acceleration. Also, when replacing the...
Question
What is the best way to replace the catalytic converter?
The y pipe for the catalytic converters connects to the exhaust manifolds near the rear of the engine. There's a transmission crossmember that needs to come out and a couple of brackets, but swivel sockets help out a lot in...
Question
While driving defroster set to hot blows hot air as it should, while idling it is blowing cold air.
First, the coolant level should be checked to make sure the radiator is full. While the overflow tank may be full, the radiator cap must be taken off to check the level inside the radiator. If you find the level...
Question
Making a ticking noise as I drive and in park at idle
Without hearing the noise, it's impossible to say what it is, But I'm going to suggest that you may have a valve noise because that is a sound that most people describe as "ticking" It's is a regular sound that...
Question
Loud Knock
Hi there: In most cases a knocking sound at idle is caused by metal to metal wear. Some of the common causes of this condition include low oil pressure or low oil levels inside the motor or transmission, damage to...
Question
engine speed not more than 3500 rpm
Usually when the engine experiences this condition, the issue is related to the [camshaft]https://www.yourmechanic.com/services/camshaft-position-sensor-replacement) or crankshaft position sensor. These sensors monitor the position of the crankshaft and camshaft in order to determine correct fuel and air ratios. If one of...
Question
Wheel bearings
Hi there: Simply put, wheel bearing replacement is not as easy as replacing front brakes; so it's not a job that I'd recommend completing on your own if you haven't done it before. In regards to buying a good wheel...
Question
Its running hot even when I changed my water pump and thermastat
There are several possible causes when it comes to an overheating issue. A water pump or thermostat are definite possibilities, but there are still quite a few other possibilities. An air pocket in the cooling system, a clogged radiator, or...
Question
Mopar remote starter troubleshooting
I would recommend tracking down a wiring diagram for this vehicle to determine if any damaged wires exist. This wiring diagram will also tell you the location of the remote start control module. This module is like a small computer...
Question
My car loses electrical power due to lose clamps. How much will it cost to get it fixed approx?
Sent billing question to CS about battery cable terminal replacement cost.
Question
Whining sound when accelerating half the time.
Hi there: Although it's possible that the whining noise might be caused by the overdrive, it's also possible that this noise is caused by bad or failing wheel bearings. As the wheel bearings begin to age, they will lose lubricity...
Question
Trouble starting
Hi there: If you're Jeep Liberty had (4) different error codes; it's more than likely one or several of them would give a professional mechanic a good indication as to where your problem exists. In some cases, this issue could...
Question
airaid cold intake installed
Hi there: As much as we'd like to be able to give you a definite reason why your 2014 Mustang is having issues after you installed the Airaid cold intake system, the reality is that it could be multiple problems,...
Question
No compression on two cylinder
Hi there: Although it's impossible for me to know without inspecting the vehicle onsite, I'm not quite certain the compression issue is mechanical here. It's quite common after a head gasket change due to an overheating issue for the crankshaft...
Question
Mercedes Misfire codes Po300 301 302 303
Ruling out ignition or fuel system problems is a lot of work. I usually do it by substituting components from non working cylinders to working cylinders to see if the misfire moves. Misfires on one side of the engine like...

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