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Recommended Posts

Posted (edited)

I was driving my car the other day and the check engine light went on.  Today I drove to an auto parts store to read the error codes, P0410 & P1411.  Error codes related to emissions and cold starts.  Long story short, driving home I hear an odd squeaking noise, pull into the garage and see this.  A bracket holding the alternator broke, shredding my serpentine belt and possibly trashing my engine.  

 

Does anyone know the part number of the broken bracket?  

Is this a DIY replacement?

Also, if I remove the screws hold the bracket to the engine case will coolant or oil come out?  

 

Thanks in advance for your help.  

 

 

 

 

 

pcar2.jpg

pcar.jpg

pcar3.jpg

Edited by Pat
Posted

That coolant lid/bracket can be replaced $380 from sunset porsche parts 99710102100

 

You can alao try to find a used one.

 

Coolant will pour out if you remove the lid without draining the coolant first. Suggest you upgrade to the 997 150A new alternator from Bosch (cheaper).

 

 

 

 

Posted

Thanks for the assistance.  New part and gasket coming in.  A couple of questions?

 

How do I drain the coolant?  If so, does it need a new crush washer?

Do I need to apply something like gasket sealer?

What do I torque the bolts at for the bracket(on the left side) and the roller bolt holding(right side) of the alternator?

Posted (edited)
10 minutes ago, Pat said:

Thanks for the assistance.  New part and gasket coming in.  A couple of questions?

 

How do I drain the coolant?  If so, does it need a new crush washer?

Do I need to apply something like gasket sealer?

What do I torque the bolts at for the bracket(on the left side) and the roller bolt holding(right side) of the alternator?

Sure.

1) See figure 4 here. Yes, a new crush washer would be ideal. Also you may want to use a vacuum tool to refill.

2) No gasket sealer. There should be a metal gasket 99610133150 for that coolant lid/bracket

3) I'll get back to you on this

Edited by Ahsai
Posted

Ahsai, you mean 9.0 in/lb, right?

 

Also, do I add 100% coolant, or mix 50/50 blend?  The link you posted to Pelican didn't say either way.  

 

Thanks!!

 

 

Posted (edited)

You need to add distilled water to the coolant to get a 50/50 mix.

 

It IS inlb, which is inch x lb, the proper unit for torque. 90inlb means a force of e.g. 90lb applied at 1inch from the bolt or 1lb applied at 90inches from the bolt, or any combo that multiply to 90inlb.

 

 

Edited by Ahsai
Posted

Thanks.  What do I torque down the bolts for the alternator?  Also, what should the bolts for the rollers be torqued at?

 

I'm almost there.  

Posted

The M10 long bolt the alternator pivots on should be 34ftlb if it's grade 8.8. It's 48ftlb if it's grade 10.9.

 

No idea about the second bolt on the alternator.

 

The idle pulley M8 should be 17ftlb

 

Note M10 means the shank of the bolt is 10mm in diameter and M8 means 8mm.

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