Question about 1998 Nissan Altima
Gpcella: with no disrespect intended, depending on what you have determined to be the muffler under the car, will dictate the wrench sizes.
Typically the catalytic converter bolts are 17 mm.
The bolts holding the other pipe sections could have two possible wrench sizes. 14 mm and 12 mm. In most cases, you will need two of the 14 and 12 mm sizes because they are a nut and bolt design.
It would be advisable to have WD-40 or a similar product to help free up the corrosion which often is found on exhaust bolts.
The pipe to catalytic converter will have a gasket, Make sure you have one if you plan to remove the pipe.
CAUTION!!!! If you find that the bolts are seized: spray the penetrating oil on the bolts, let them sit for a few minutes and try again. However, when you try, rock the wrenches back and forth like you are trying to loosen it and tighten them. This way, you are less likely to snap the bolt. A gentle rocking usually will break the nut and bolt free.
Posted on Jul 28, 2009
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Posted on Jan 02, 2017
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