I have a 2008 Nissan Altima 2.5SL. It has a strong vibration around 1800RPM. I have had the all motor and transmission mounts checked, transaxle assembly and the transmission replaced (under warranty) with no improvement. The dealer is telling me it is a balance shaft and that I need to replace the engine for $6000.00 Does this diagnosis sound correct? Could it be anything else? Is there anything I can do to correct this without replacing the engine? If not is there a cheaper source for an engine replacement. Finally if I continue to drive it with this problem will it damage the engine further and eventually fail?

Check for loss engine motor mounts and transmission mount
Also check the air tube (TOP AND BOTTOM) for hairline crack.

A loss motor mount can cause excessive vibration and damage the air inlet tube.

Jan 15, 2014 | Cars & Trucks

1 Answer

I have a 2008 Nissan Altima 2.5SL. It has a strong vibration around 1800RPM. I have had the all motor and transmission mounts checked, transaxle assembly and the transmission replaced (under warranty) with...

the book shows it as a v9 3.5 l with a chain drive years 2002-2012
there is also an altima 2.4 l 1993-2001 another chain driven engine
both have balance shafts
If the chain has been replaced lately , it could be an improperly fitment of the balance shaft
If not I suspect that it could be a worn chain that needs replacing and the vibration is coming from lack of chain tension
the book does not show ant belt driven engines with a balance shaft
at this point I would take it to an accredited professional service center with experience on your engine and have a proper diagnosis done and quote
a new engine is the last thing I would be talking about

Apr 13, 2017 | Nissan Altima Cars & Trucks

2 Answers

NEED T LOCATE SPEED SENSOR ON A 2003 NISSAN ALTIMA

Hello irmagrita
The speed sensor is located on the right front front of the transaxle near
the right axle flange. With automatic transmission.

On the manual trans. it's located on the transaxle.
I hope this helps.

Jul 10, 2010 | 2003 Nissan Altima

1 Answer

My car's dash rumbles very hard when idling and in reverse. My friend said something in the (AUTO) transmission is causing the hard idling. Any ideas?

Good afternoon. Sounds like you need to check the engine/transmission mounts. Bad mounts will cause a vibration you are describing and will transmit normal engine vibration into the frame of vehicle causing vibration to occur. Most mounts are made of rubber but some are filled with oil and are called hydro-mounts. Check all mounts for cracked rubber at mount where it attatches to engine,transmission and frame. Hope you find this information useful! Have a great day!

Oct 04, 2009 | 2001 Nissan Altima

3 Answers

Vibration on 2003 Altima 2.4

first check motor mounts ,them put in drive with the a/c on if you feel vibrates check the alternator some times have vibration and the mechanic made the mistake and change the pully.

CHECK THE ALTERNATOR

Jun 30, 2009 | 2003 Nissan Altima

1 Answer

94 Nissan Altima

Its a '94 so engine or tranny mounts are a strong possibility...
You would need to seek the help of a mechanic to replace them.

Jan 13, 2009 | 1995 Nissan Altima

2 Answers

2003 Nissan Altima

i heard it could be the steering column

Oct 07, 2008 | 2003 Nissan Altima

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6ya staff · Answer 1 · 1/2/2017 12:00:00 AM

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Phil Lovisek · Answer 2 · 8/14/2008 12:00:00 AM

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SOURCE: vibration

trans overdive lockup

Posted on Aug 14, 2008

sankenawi · Answer 3 · 10/17/2008 12:00:00 AM

Check your exhaust system, some bolts used to loose or gone on Altima 02-06. Especially check the bolt close to the joint between exhaust manifold and front pipe. Check if your sway bar rubbing your exhaust pipe.

kelvin smotherman · Answer 4 · 11/8/2008 12:00:00 AM

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341 Answers

SOURCE: transmission failure 2003 TL

there is no schedule replacement for motor mounts it there way of getting money from you to cover there cost to replace trans

Posted on Nov 08, 2008

sujithandrew · Answer 5 · 1/12/2009 12:00:00 AM

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2 Answers

SOURCE: after replacment of t; belt vibration on engine

you have to change the shaft also

Posted on Jan 12, 2009

Clint Smock · Answer 6 · 5/4/2009 12:00:00 AM

Clint Smock

4669 Answers

SOURCE: replace the engine motor mounts and the transmission mount. Would like to know how to do it. Thanks.

Check the frame mounts too. You will have to loosen the bolts and jack the motor up with a jack and a woodblock.

Posted on May 04, 2009

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