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Cadillac Repair/1994 sts 32v northstar 4.6l

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Question
how do you go about install connecting rod bearings .and if the connecting rod caps have grooves can you reuse them

Answer
Hello,

This is no longer my specialty and I haven't replaced bearings for years, however if you are doing this on your own and you don't want future problems, I would highly recommend the use of a service manual meant for that car. This means no general information from the repair books you get in book stores and I have even found inconsistencies in Mitchell on Demand.

Even when I did engine work, I relied only on one form of information and that was from the source, the factory service manual. this included installation of components such as bearings that were critical as to where the oiling holes were installed, the torque specs, no matter what it was. In stead of paying hundreds and doing long searches, you should be able to find all the information you need at http://www.alldata.com The cost is $30 for the first car with others costing $16 a year for a download available on your computer for a year, covering not only the engine, but everything related to the car. This is where I go for when I need specifics on a vehicle repair.

When it comes to take down of the lower end of an engine, they are all pretty much the same, but if you don't want a future failure in your installation of these components, you have to use the factory information as it relates to the engine in a 1994 Cadillac, or all your work may be in vain.

Good Luck!

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Rob Painter

Expertise

Alarm system questions cannot be answered on this forum. These systems are not what I can answer. Without being physically at the vehicle and not knowing what kind of electrical service has been done on the vehicle, there is no possible way to give an accurate answer over the internet. My expertise is in Ignition/key based anti-theft systems. These issues include GM VATS (resistor chip in key blade) PASSLOCK (MRD)-ignition lock rotation based, no special ignition key and the PKIII Transponder (computer chip in key) systems. These systems are not alarm based and are integral with the starting of the engine. This is why I cannot diagnose alarm problems without physically looking at the vehicle: Alarm systems are a completely different annimal than ignition key/lock based anti-theft system. Many alarm questions come from vehicles 10 years old, and since older, many hands that had been involved over the years.I am an expert in all GM factory (ignition/key based)systems. Alarm system questions pose to many situations beyond my knowledge as to what has been done to the vehicle over the years. Some guy may have actually wired the stereo into the alarm system. Who knows? Over my past 30 years in vehicle wiring repair, I have seen unbelievable wiring disaters done by guys that consider themselves "mechanics." I have seen stereos and alarms intalled using surgical tape. I have seen modules burn up, un-fused circuits, wiring jambed between the doors and even lamp cord used for a starter kill. To answer alarm questions over the internet without examining the vehicle is like asking; What does it take to remove a dent?

Experience

Education/Credentials-ASE certified. 11 years with a GM dealer and 17 years with a repair facility dealing with only the repair of theft recovered vehicles.

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