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Old 10-18-2012, 11:56 AM   #1
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Exclamation 98 engine mount ?'s (3 point vs 4 point) 75k Maintenance

Never really had a formal introduction here. My name is Justin. 98 986 White just turned 75k miles.

I have recently purchased an engine mount - PN - 98737502305


My mechanic is also a little new to porsche's also. But is a 20+ year mechanic. With this being a straight forward job, He wanted to do this for me. He uses 2012 Alldata for information on cars. Upon looking up the engine mount. He noticed I purchased version 2, not version one.

I had him print out the two pages for me.



In the pic if it's hard to read states: There are two model version of engine brackets. Allocation occurs according to the number of screw connection points. The 4-point engine bracket must not be installed with the 3-point coolant guide housing (from version 1). Coolant guide housing with a 4-point screw connection and engine bracket with 3-point screw connection. The additional bolting point at the upper right-hand side -arrow- on the coolant guide housing is fastened with a hexagon-head bolt m10 x 60.

I have read on pelican that this mount should work. Also have read in the comments from a guy with a 99 same situation. His fix was purchasing the m10x80 bolt for the upper right hand. Is this safe to do? Only reason why I worry is the information all data states. Do not bolt the 4 to the 3 point. Or can someone further clarify this for me?

For 75k I should be doing engine mount, water pump, hoses, L&n t stat, serpentine belt? I have read that on some of the other threads. 4k Miles ago I had a porsche dealer install new plugs, oil, filter, air filter. What things should I be looking for in the future as far as my next maintenance.

I just walked out and snapped this pic. Newest "cell phone" pic. LOL

Are my wheels stock?

Thanks for any input guys. I appreciate it.
Justin
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Old 10-18-2012, 12:02 PM   #2
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I have NOOOO idea...but sharp looking car.
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Old 10-18-2012, 05:19 PM   #3
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The same engine mount was just delivered to my porch today. According to all comments (and Pelican, and Suncoast) this 987 mount can be used for the 986 too. Just google "boxster engine mount" or search in this forum.
I'll probably put it in next week, getting a bit tired of the vibrations. If it doesn't fit I'll let you know.
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Old 10-19-2012, 11:29 AM   #4
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I have searched... but haven't found an answer to my question. Anyone else?

Thanks
Justin
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Old 10-19-2012, 11:39 AM   #5
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When I replaced the one on my 98' it was OEM with four bolts and that's what it got when the new one went back in...easy breezy.






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Last edited by Eric G; 10-19-2012 at 11:43 AM.
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Old 10-19-2012, 12:03 PM   #6
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Can't comment on the engine mount, but it appears the wheels on yours are the optional alloys from a 2003-2004 model.
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Old 10-19-2012, 12:34 PM   #7
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Hi and welcome,
This is the later spec part as you have noted, I fitted the same to my 98 car, its no problem using 3 points instead of the 4. I spoke to a Porsche specialist and they supply these for all models now as the bush is more durable (although I recently changed one for a friend on his 987 that had 35k and its was already broken!)

Its a very straight forward job as long as you can support the engine - 1.5 hours max.

A true fix from Porsche would have been a twin bush front mount or at least something more substantial.

Ref the serpentine belt, I woul change at 75k or sooner depending on condition. Its a 15 minute job from inside the car.
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Last edited by srad34; 10-19-2012 at 12:37 PM.
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Old 10-19-2012, 09:33 PM   #8
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Just ordered a serpentine belt.
Going to order some other things. Have it all done at once.

Thanks for the input.
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Old 10-20-2012, 07:38 AM   #9
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Welcome - very nice car!

It is common to use the 4-pt mount to replace the original 3-pt mount. Porsche also recommends using only N-rated tires. Ignore that recommendation too.
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Old 10-20-2012, 07:40 PM   #10
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Just watched a video on youtube for the drive belt. HOLY ******************** that looks easy. Looks like something I'll do myself. Probably have my mechanic do the engine mount this week. Possibly going to order a water pump as well.
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Old 10-25-2012, 02:52 AM   #11
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The how to:
Install Front Engine Mount

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