Question about 2003 Jeep Liberty

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Jeep cherokee diesel whistling noise when i accelerate

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: loud whistling noise while driving.

There was a tech service message to move the luggage racks to behind the rear door, if your noise is from wind this should solve the problem

Posted on Dec 28, 2008

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  • 341 Answers

SOURCE: whistling Jeep grand cherokee 1999

Sounds like a vacuum leak. Check that all your vacuum lines are attached and in good condition.

Posted on Jan 03, 2009

  • 1 Answer

SOURCE: Jeep grand cherokee 2.5 turbo diesel power loss

hi i have bean told it is the number 1 injector with the wire attached you might need it replaced thanks

Posted on Sep 21, 2009

BlakeMoo
  • 14 Answers

SOURCE: 2001 Jeep Wrangler makes whistling sound except

if you have an aftermarket intake on the jeep the throttle body is making the whistle... there are many aftermarket throttle body spacers out there that can eliminate this...
if you dont than I think that we have the same problem... might be a vacuum leak if the jeep idles funny or it could be an exhaust manifold leak... I'll let you know if I figure out mine. :)

Posted on Dec 01, 2009

  • 1 Answer

SOURCE: there is a whistling noise when i let off the

I have the same prob. Someone suggested it was a bearing connected to my power steering. You know, the steering is great when the whine hasn't started, and gets a bit wonky when it has started up. My whine is way too loud for a vaccum hose, so I am gonna look into this possibility.

Posted on Dec 08, 2009

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1 Answer

My 93 jeep grand cherokee laredo 5.2 has a loud whistling when accelerating. It has killed my fuel economy and i have no power when down shifting. I have already checked all fluids


Possibly the catalytic converter is plugged/broken up. I have seen this several times. It will idle fine, then when accelerating, it will whistle loudly and will not accelerate very well. Exhaust is your problem.

Apr 03, 2016 | Jeep Cars & Trucks

1 Answer

Whistling sound upon acceleration


Tyres, brakes, turbo, transmission, axle ...

Jul 06, 2017 | 2000 Jeep Grand Cherokee Limited

1 Answer

1995 jeep wrangler whistling noise when accelerator pedal not down


Sounds like a vac leak, could be the power brake booster or a hose.

Jul 29, 2012 | 1995 Jeep Wrangler

1 Answer

I have a 2000 jeep grand cherokee. When i crank the car, the oil pressure gauge goes all the way over to 80. It stays that way while I'm driving. Sometimes it will drop slightly as I accelerate , but goes...


whistling noise is prob. intake leak or emmissions air flow problem, the oil gauge, is either , oilpump screen clogged, or gauge prob. or if a lot of miles it could be the engine is just getting weak, or oil pump itself. check oil level, and sensor for leaks .

Mar 30, 2011 | 2000 Jeep Grand Cherokee

2 Answers

High pitched whistle noise coming from engine


it sounds to me like it is a blower motor not the engine.(heater fan)

Dec 16, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Whistling can not find any vacuum leaks if you accelerate the whistling goes away


Sounds silly, but you can easily trace the source of the noise by taking a short piece of garden or heater hose, putting one end to your ear and using the opposite end as a probe. It works like a directional microphone and will lead you right to the noise source!! At higher rpm's the noise likely does not go away, but becomes hypersonic and beyond your hearing range.

Jul 26, 2009 | 1999 Jeep Grand Cherokee

3 Answers

There is a whistling noise when i let off the accelerator but it stops as soon as i accelerate again. It does happen at idel


Check vacuum hoses in area where you think it's coming from, for being disconnected or cracked.

Mar 27, 2009 | 2000 Jeep Cherokee

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