Question about 1991 Toyota 4Runner
I live in Minnesota and my 4-Runner has made a very loud noise under the hood/passenger foot area when cold. It used to just do it a small amount and then quit. Now it is way worse. Hitting a bump can trigger it and hitting another bump can make it quit. It also stops making the noise when I come to a complete stop. I just realized it only does it in 2H and not 4H. Any idea what might be causing this?
Hey Jane, .. hhhmmm..Only does it in 2H..not 4H... this tells me that it is in the front wheel drive line..(the noise quits in 4H)..obviously something in the front drive line is loose or worn out... THIS could be a safety issue... PLEASE take it to a qualified professional for a diagnosis...
Posted on Aug 01, 2017
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Posted on Jan 02, 2017
Take ur suv to the nearest high point...Get out of the suv, put it in neutral..and firmly push off of cliff. Problems solved. report it stolen the next morning.
Posted on Mar 17, 2009
Sounds like one of the auxillary belts slipping it may just need tightening up. I think the 4-Runner has two belts one large and one for the steering pump
Posted on May 13, 2009
There is a heater core bypass pipe that runs from the block (under the manifold) to the bacl of theengine where you will see a flat rectangular "sheet metal" thing with a pipe coming out of it. The a rubber hose connects. You need to pull the top air plenums and intake to get to it. The p[ipe flange bolts to the block with silicone rtv as a sealant.
Posted on Nov 27, 2009
If you cannot find a leak then it is probably running too rich if you are also having a rough start and or rough idle. You can find out if it has been running too rich by checking any one of your spark plugs...it will be coated with a lustrous black residue and/or smell like gas. At that point you will have to change them.
You can also try replacing your PCV, a clogged PCV can also allow that type of smell to escape past it's grommet into the engine bay instead of recirculating it back into the system.
Posted on Jan 01, 2010
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