Question about 2002 Acura MDX
2002 Acura MDX, 105K miles, Operating in D5 at low speed (15-25 mph), the vehicle doesn't appear to know what gear to go in. It shifts up/down/up/down and has a lugging type sound. Some vibrating. If I put in D4, it operates fine, however, it does appear to be shifting hard. The shop says I need new transmission at $4400 CDN. My brother, who is a heavy-duty mechanic feels it could be a shift sensor or something electronic.
If a competent transmission shop said you need an overhaul the you need one.
Posted on Jul 11, 2017
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Posted on Jan 02, 2017
SOURCE: rounded-off lug nuts
The auto parts stores cary a special kit for removing these wear eye protection and if you have air tools it will make it much easier. don't use sockets not rated for air tools (they break and will hurt you)
Posted on Nov 05, 2008
Could be vacuum leak or bad ignition wire(s).
I had a similar problem on my "93 Ford probe. The engine idled pretty rough with shakes, Turned out to be a head gasket leaking engine coolant into the cylinder during low rpm's. At fast rpm's it was fine becuase the internal cylinder pressure was greater than the hot coolant pressure & would prevent the coolant from leaking in.
A friend has the same problem with his "94 Blazer 4.3 L, throttle body injection, manual tranny. He hasn't fixed it yet, It started a few weeks ago & is getting worse. His gets a fast idle with hiccups which causes the engine shake. He already checked the EGR valve. He also has a severe exhaust problem, Not oilly but very gray & terrible smelly, but only when the fast idle problem happens. THis fast idle hiccup problem starts when the engine is warmed up.
Posted on Nov 21, 2008
the lug pattern should be 5x100mm, you having the loaded malibu it could be the 5x125mm. if you still have the factory aluminum wheels on there then you can either take one off and look on the back of the wheel you will have to look closely it will tell you though, or you can go to www. tirerack.com there website will navigate you through and give you the proper size. hope this helps. sorry not more specific.
Posted on Feb 28, 2009
The trani is electronically controlled. without a diagnostic computer you are not going to know. It may be the speed sensors (for the trani.) but thats a guess. how long since the last trani service. Fluid level and condition can affect its perfomance. Good luck.
Posted on Apr 29, 2009
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