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Would you fix it if it isn't broke?


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Here's the deal:

 

I have about 5000 miles left on my extended warranty on my 2002 1500 Suburban 4x4 with 70,000 miles on her. It sounds like a bearing in the alternator is about to explode, so it's going in for that, plus a brake recall I've been putting off.

 

I've had some intermittant clunks, etc from different areas, but nothing that seems to be persistant, so I doubt they would be able to reproduce them while in for service. Things I'm contemplating include intermediate steering shaft lube,

nickel-plated slip yoke, and getting synthetic lube into the front differential, being I use 4wd most often in the winter here in MN. There is curently a black vent cover on the front differential, which leads me to believe there is still dyno lube in it.

 

Assuming the slip yoke gets replaced, a couple other questions. Would a new TC rear output seal be a good idea if it was replaced less than 20K ago? Also, my understanding is that the new slip yokes come with the u-joint installed, so the front would get changed. Do I bother with the rear, or wait? I don't mind paying for some PM, but the dealer cost on OEM u-joints is out of this world (at least it was when I looked into getting them for my '94, which ultimately received aftermarkets).

 

I'm on great terms with the service manager, so I don't think getting the work done would be a problem. It just seems every time I fix something that isn't broke, it comes back to bite me in the rear!!!

 

Thanks for any input!!!

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  • 3 weeks later...
Here's the deal:

 

I have about 5000 miles left on my extended warranty on my 2002 1500 Suburban 4x4 with 70,000 miles on her.  It sounds like a bearing in the alternator is about to explode, so it's going in for that, plus a brake recall I've been putting off.

 

I've had some intermittant clunks, etc from different areas, but nothing that seems to be persistant, so I doubt they would be able to reproduce them while in for service.  Things I'm contemplating include intermediate steering shaft lube,

nickel-plated slip yoke, and getting synthetic lube into the front differential, being I use 4wd most often in the winter here in MN.  There is curently a black vent cover on the front differential, which leads me to believe there is still dyno lube in it.

 

Assuming the slip yoke gets replaced, a couple other questions.  Would a new TC rear output seal be a good idea if it was replaced less than 20K ago?  Also, my understanding is that the new slip yokes come with the u-joint installed, so the front would get changed.  Do I bother with the rear, or wait?  I don't mind paying for some PM, but the dealer cost on OEM u-joints is out of this world (at least it was when I looked into getting them for my '94, which ultimately received aftermarkets).

 

I'm on great terms with the service manager, so I don't think getting the work done would be a problem.  It just seems every time I fix something that isn't broke, it comes back to bite me in the rear!!!

 

Thanks for any input!!!

 

 

 

 

Defnatly. I'd take it to the dealer in a heartbeat. You paid x number of dollars for that service plan. They should honor it. Otherwise its free money. I'd take it to em, and tell you want new alternator. As for the other stuff...I'm not really that knowledgeable about it.

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Yep - the alternator is getting done for sure. I'm just wondering, as long as it is in the shop, if I should have them do some of the other mentioned items, or leave well enough alone? I'm wanting to change to synthetic in the front diff, so if they will do it and install the correct vent connector, no-brainer. I also can't think of any downside to having a new slip yoke installed, just wonder about the seal (which was recently replaced) and the rear u-joint. The one item that really has me on the fence is the intermediate shaft - I know this is a problem area with many, but my truck, with 70K, has never had the "clunk".

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