1995 Bonneville Supercharger coupler and bearing replacement
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1995 Bonneville Supercharger coupler and bearing replacement
I have a 1995 Bonneville SE with a supercharged package. Noticed noise earlier this year coming from the snout of the supercharger. It is the exact same sound as the coupler. I have reviewed the directions and that is no problem. I am just in the process of ordering the coupler, but I have two questions. First, someone mentioned that 95 and older superchargers have to be removed to change the coupler. Does the supercharger really have to be removed as it is -20 outside and I am not all that enthusiastic about removing something if it is not absolutely crucial. Secondly, while I have the supercharger nostril off it seems to only make sense to change the bearings in the snout as well. I have a variety of bearing pullers and so on and experience changing bearings. Is there any tool specifically that I am going to need to pull the bearings. I have changed the supercharger fluid religiously since 90,000 km (when I got it) every 10,000 km or 6,000 miles. I have put an electronic stethoscope on the housing and the bearing seem to be in good shape. Just looking to get some info on this before I order the kit from Intense tomorrow.
Thanks
Chris
Thanks
Chris
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Here this will help you out on part.
http://www.cardomain.com/ride/479367/2
I had to do this in the summer on my 94 SSEi my bearings didn't rattle and they were not loose so I only did the gaskets and the coupler. Good luck
http://www.cardomain.com/ride/479367/2
I had to do this in the summer on my 94 SSEi my bearings didn't rattle and they were not loose so I only did the gaskets and the coupler. Good luck
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Not looking forward to doing this at all.... it just keeps snowing here. Thanks for the info, those pictures on that link helped out immensely. Going to order the gasket set, rubber seals and needle bearing grease. I am actually debating grabbing a second supercharger at the boneyard to completely rebuild and just pull one and switch it. Can a 96 and up supercharger be bolted to a Gen 1 motor or did they change it too much? Anyone know?
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OKay, thanks for clarifying that one. Saved me an afternoon at the wrecker pulling one of each apart to compare them. Bit the bullet and ordered everything to complete the project. Now to sit and wait for it all to show up. And today, for entertainment purposes, the heater blower motor quit working, now I have to whack the motor to get it to work. Needless to say it is on order.
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Yeah I got around to changing it back in late January when we had a nice blast of some decently warm weather. I had also found that my front exhaust manifold had cracked as well. I had a list of things to do and some time to do it. Most of the difficulty was ordering parts from GM as I came across things that needed to be replaced that were unexpected. The aftermarket was out of stock on things like throttle body gaskets, fuel injector seals and so on. GM special ordered the pieces in and I managed to get the whole thing back together over the course of 3 days including replacing the exhaust manifold that I found on a 57,000 km 1995 supercharged Buick Park Avenue that I found at the wrecker for $35.00. Sure a whole lot cheaper than the 265.00 from an online parts store. The whole thing has been together for 3500 trouble free km since and everything seems to have worked out perfectly. I changed the nostril bearings, outer seal, and greased the needle bearings for the rotor at the back of the supercharger with that special high heat grease from intense racing. The supercharger is whisper quiet and cannot be happier with it.
I have mentioned that I have changed the supercharger fluid on the car every 10,000 km since I got it 4 and a half years ago and the supercharger has always been nice and quiet and there was no putrid smell from the fluid when I popped open the casing, infact it was actually very clean internally. The bearings were in good condition but I opted to change them as I had already ordered them and had the thing apart.
Special thanks to Graham who sent me an email asking whether I have rebuilt the supercharger or not. I tried to respond and found out I am too junior a member or such to send a PM back. Thanks to everyone else who helped out with info. The whole project went off without a hitch.
Cheers everyone!
Chris
I have mentioned that I have changed the supercharger fluid on the car every 10,000 km since I got it 4 and a half years ago and the supercharger has always been nice and quiet and there was no putrid smell from the fluid when I popped open the casing, infact it was actually very clean internally. The bearings were in good condition but I opted to change them as I had already ordered them and had the thing apart.
Special thanks to Graham who sent me an email asking whether I have rebuilt the supercharger or not. I tried to respond and found out I am too junior a member or such to send a PM back. Thanks to everyone else who helped out with info. The whole project went off without a hitch.
Cheers everyone!
Chris
Last edited by retiredstudent; 02-15-2010 at 09:02 PM. Reason: more info
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No, nothing was too hard at all. With the pictures supplied by the members of the Bonneville forum I had a good idea of what to expect before tearing into the project. I found other little things along the way that needed fixing or replacing that were also dealt with. I really had about 6-7 hours of working on the car total, and the rest of the time was searching and calling around for parts and gaskets. The exhaust manifold I was dreading removing, I had fears of seized bolts breaking in the head and the VERY limitted space was also added fun. Having the vast array of pneumatic tools in my shop at home made it easier to remove the one on my car, but did nothing for me at the auto wrecker on a cold and snowy day as the 2 bolts in the collector pipe were seized and needed to be twisted until they broke. The skinned knuckes have healed now and the car is back to giving me smiles per miles again.
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