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Tapers noise when u start the engine - Cars & Trucks

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If you have hydraulic lifters in your engine, they might be dirty and an engine flush might be the answer. Some engines - early 2.5 Subaru - are known for "piston slap", which sounds similar to a tappett noise and goes away when the engine warms up and the piston and piston rings expand.
Make sure you have enough clean oil of the proper viscosity grade in the engine.................

Posted on Nov 24, 2014

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Posted on Jan 02, 2017

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Tapping noise in engine


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Apr 18, 2014 - My engine has developed a strange ticking sound. Its whisper-quiet before an oil change, and then makes a loud tapping after a new filter and ...

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Dec 02, 2015 | Cars & Trucks

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Problem keeping it started


Sometimes when you check a battery if you have wiggled it then it starts it could be as simple as a loose connection or dirty posts. On a very small amount of the time the wiggle could just liven the battery up long enough to get another start out of it (this will not work over and over again). From what you write this could be in need of a battery or alternator or just cleaning the battery posts. Without more info I can not say. Does it click and do nothing? Does it make a grrr noise that kinda tapers off to nothing (like it wants to start but just can't get there)? Do the headlights work and are they bright or do they seem weak? Post any info describing any noise it makes or doesn't make (if none) and I will help you more.

Mar 26, 2014 | 1988 Pontiac Firebird

2 Answers

Fan belt is making noise.


If your fan belt is squealing and changes pitch when you accelerate or let off the gas or squeals at first then tapers off, then it is slipping. If it is slipping you could replace the belt (probably a good idea considering the age of the car), or as a temporary fix you can spray the belt with belt dressing. Belt dressing is only a few bucks at any local auto parts store and comes in a spray can. Follow directions on the can.

If it is a different type of noise like a grinding or rattling noise, it could actually be a pulley or any of the devices the belt is used to drive, these can include power steering, AC compressor, idler pulley or water pump to name a few.

My best advice is to replace the belt, and toss the old one in the trunk as an emergency spare. The belt should cost under $20.00 and is money well spent as it is cheaper then being stranded and needing to be towed.

Oct 08, 2010 | 2001 Ford Taurus

2 Answers

2006 AUDI A4 2.0 HAS A HIGH PITCH SQUEAL AT IDLE TAPERS OFF AT HIGHER RPM -THEN MAKES A WHINING NOISE WHEN ENGINE IS SHUT OFF --ANY IDEAS?


hey not sure if its totally right but the high pitch squeal at when its idleing could be the tentioner pulley bearings on the engine belt not sure about the whining noise when its shut off

Oct 04, 2009 | 2006 Audi A4

1 Answer

Rear diff bearing torque settings 95 trooper


Do you mean the pre loads on the pinion bearings and the crownwheel ?
Pinion is 6 - 11.5 lbs Ins on new  bearings on the big nut as you turn it up the pinion should just start to turn .
, it has a collapsible spacer ..
Crown wheel bearing caps are 80 Ft/Lbs.
Crownwheel bearings are loaded by getting the backlash to 006' - 008' thou and putting a 002' shim each side to load the tapers up .

Sep 30, 2009 | 1992 Isuzu Trooper

1 Answer

Air conditioning drain


You can't see it in the engine compartment because it empties into the frame rail on the passenger side. If it's plugged you have to clean it from the inside. Can you see on the inside of the vehicle where it tapers down on the bottom of the case and goes thru the firewall?

Aug 20, 2009 | 1996 Jeep Grand Cherokee

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Audi A4 2006 2.0 Turbo Quattro, with 13000 miles. Problem: When warmed up, check engine light comes on and a loud squeal is heard. Tapers off when gas is pressed. Power remains OK. Air control system...


Hi,
the squeal is caused by a belt,not tensioned correctly ,I would check the cambelt tension first and then the serpentine belt,if not obvious you need to take to a Audi trained garage.If you plug in a code reader it will help point you in the right direction by the fault code.

Jul 17, 2009 | 2006 Audi A4

2 Answers

Loud rattleling noise from engine comapartment


Replace the timing belt & tensioner.

Jul 08, 2008 | 1991 Toyota Celica

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