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myamoto1's Avatar
 
Join Date: Sep 2007
Location: Camas, WA
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How to remove your Grease/Dust Caps in 5 minutes

Big thanks goes to those who posted on their methods, as it led me to mine (although I'm sure others have used a similar approach). I can't remember which thread it was, but someone's quote was loosely, "I'm hoping someone can just say , here's a $10 solution." Well, I bought at the local Ace and came in just over $11. I'm sure you'd break the sub-$10 range buying at a big box store.

OK, so here's what I did. I guess I should first qualify, that the 5 minute time does not include parts aquisition nor the drilling. So depending upon where your local pluming store is, figure in another 20 minutes...

Materials:
2x3 ABS coupler
1.5" ABS recessed plug
1 10x1.5 bolt (the longer the better)
1 10x1.5 nut
2 large fender washers
OPTIONAL - 5 gal bucket opener (I already had this so cost was zero)

Step 1: Drill a hole in the center of the plug
Step 2: Set plug in coupler
Step 3: Thread nut onto bolt, followed by 2 washers
Step 4: Insert above assembly into hole created in step 1
Step 5: Place... screw it - just look at the pics. If you can't figure it out from there, bring your car to a shop














Rinse and repeat as necessary...
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Josh
85 M491 Coupe - "Fat Bastard"
Old 03-30-2010, 07:54 PM
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WERK I's Avatar
 
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Location: Wisconsin
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Josh,
Aren't those ABS couplers a god-send?! I swore the damn thing should fracture in a thousand pieces, but I've using the same one for the past 8 years!
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Dave
'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 03-31-2010, 05:22 AM
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Great idea!
Old 03-31-2010, 05:34 AM
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Dave - I know exactly what you mean! I bought the longest bolt Ace had, and it just barely reached. Once I had cranked the nut down, exposing about 1/2" of thread showing, I was positive my contraption would implode/explode at any second.
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Josh
85 M491 Coupe - "Fat Bastard"
Old 03-31-2010, 07:12 AM
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Very nice approach. It's important to remember to counter-hold the head on the bolt as you turn the nut. When I tried to get my cap off using the all-thread and plate on the studs approach I ended up popping the little threaded nipple off. I think two things contributed to this: 1) I'm not sure my caps have ever been off in their 23 year 41k mile history and more importantly, 2) when I was cranking the nut on the all-thread without counter-holding the rod, it was cranking in through the nipple and bottoming on the cap itself. It ended up being more of a nipple puller than a cap puller. If taking the all-thread approach I would recommend a jam nut at the nipple to prevent this from happening again.
Old 03-31-2010, 09:50 AM
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clever idea!
Old 04-01-2010, 04:46 AM
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Couple of things;
The white ABS couplers will work as well.
If you have problems finding a metric bolt long enough, you can use these studs as well. You can find them everywhere, Home Depot, Lowes, ACE HW, etc. I believe it is 3/8" , about 3 feet in length (then cut to length you desire) The threads are so close to the metric equivalent, that it go in without damaging either threads and will provide sufficient clamping to get the job done. Just be sure to use a hardened washer and nut to secure the stud to the grease cap.


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Dave
'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 04-01-2010, 06:37 AM
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I think your all-thread approach is probably an even easier/better approach. You can confirm you have full thread engagement and don't have to hunt blindly for the threaded nipple. On my first attempt, I only had 2 threads engaged and it popped out. However, once the plug settled into the coupler, I was able to easily engage the threads completely.
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Josh
85 M491 Coupe - "Fat Bastard"
Old 04-01-2010, 08:21 AM
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