| HT4100 4.1, 4.5, 4.9 This forum is to discuss the newer aluminum block Cadillac engines. | Cadillac Forums: 4.1/4100 Distributor Hold down- how to tighten??? 
04-04-07, 12:20 PM
| | Cadillac Owners Member | | | | | 4.1/4100 Distributor Hold down- how to tighten??? Have a 4.1 I worked on this weekend, couldn't get to the distributor hold down bolts, it's in an 83 Fleetwood...
anybody have any luck pulling these distributors? Tightening them?? What size wrench? Special distributor wrench?? (I was thinking crow foot, but don't have many, and didn't know what size.. (I have a few smaller ones..)
thanks
eazy | 
04-04-07, 08:58 PM
| | Cadillac Owners Enthusiast Cadillac(s): 76 Eldo (54k), 76 Eldo (52k), 78 Eldo (9k), 85 Deville (43k) | | Join Date: Jun 2005 Location: Michigan | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? Don't know about the longitudinal engine, but I use a 15mm dist. wrench on my 85 FWD Deville. Yanking the distributor is VERY easy once you get the nut off and the hold down clamp. Just make sure you mark everything. If it's even moderately close upon reassembly, the car will start and you can time it. | 
04-04-07, 09:25 PM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? It is very possible that there is a special wrench for that at an auto parts store. I know that i have one for the older gm products that is basically bent like a upside down L. It just might be worth the $ to buy it and save some frustration. | 
04-04-07, 11:18 PM
| | Cadillac Owners Enthusiast Cadillac(s): 76 Eldo (54k), 76 Eldo (52k), 78 Eldo (9k), 85 Deville (43k) | | Join Date: Jun 2005 Location: Michigan | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? They're easily available and pretty cheap (distributor wrenches). You might also try a stubby wrench. | 
04-05-07, 08:35 AM
| | Cadillac Owners Member | | | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? I have a collection of distributor wrenches, none of them work on the (longitudal) 4100 | 
04-10-07, 10:55 PM
| | Cadillac Owners Member Cadillac(s): 1999 Deville, 1987 Eldorado | | Join Date: Apr 2005 Location: North Carolina | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? Snap-On has the specific wrench for that task on the 4.9 etc. I ordered it directly from their headquarters and it arrived in two days. None of the truck jockeys have it so go direct. It cost me $45.00 for it and it was worth every penny to not have the car's timing botched by the dealer. It works on the 4.1 and 4.9 from 1986 to 1993. | 
04-10-07, 10:56 PM
| | Cadillac Owners Member Cadillac(s): 1999 Deville, 1987 Eldorado | | Join Date: Apr 2005 Location: North Carolina | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? Snap-On has the specific wrench for that task on the 4.9 etc. I ordered it directly from their headquarters and it arrived in two days. None of the truck jockeys have it so go direct. It cost me $45.00 for it and it was worth every penny to not have the car's timing botched by the dealer. It works on the 4.1 and 4.9 from 1986 to 1993. | 
04-12-07, 04:17 PM
| | Cadillac Owners Member | | | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? Thanks Melrose, BUT.. I do much more work on pre 86 RWD caddies w/4.1
(the car being repaired is an 85 (rwd) FWB)
I'll have to look it up in my snap on catalog.... I get 55% off till May | 
04-14-07, 12:54 AM
| | Cadillac Owners Enthusiast Cadillac(s): 76 Eldo (54k), 76 Eldo (52k), 78 Eldo (9k), 85 Deville (43k) | | Join Date: Jun 2005 Location: Michigan | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? Here's what you want:
Snap On part Stock #: S6134.
This part is for, according to Snap On, "1982 and later Cadillac 4.1L V8 and GM 2.8L V6" engines.
Here's the link: http://buy1.snapon.com/catalog/item....re&dir=catalog
Hope the helps! | 
04-14-07, 12:56 AM
| | Cadillac Owners Enthusiast Cadillac(s): 76 Eldo (54k), 76 Eldo (52k), 78 Eldo (9k), 85 Deville (43k) | | Join Date: Jun 2005 Location: Michigan | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? How can you get a discount off on Snap On parts? I love their tools, they're just so darn expensive. | 
04-16-07, 11:48 AM
| | Cadillac Owners Member | | | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? Thanks a lot for the link..
I get 55% off because I am a full time student at a technical school that uses Snap On tools.. They offer us (students) 55% off the majority of Snap On tools (I believe this excludes scan tools, non snap-on products in their catalog(ie-fluke dmm's)
I have a friend that is an instructor at a local Vocational High school, he told me that he'd order tools for me after I'm done with school
To my knowledge, most community colleges that offer "technical" classes (welding, automotive tech) also are entitled to this discount.
If you'd like, I can get my Snap-On rep's phone number, email address.. He'd be able to give you more accurate info... | 
04-22-07, 11:36 AM
|  | Cadillac Owners Member Cadillac(s): 1986 Coupe Deville | | Join Date: Oct 2006 Location: Columbia Md | | | Re: 4.1/4100 Distributor Hold down- how to tighten??? I found my 15mm right angle wrench on Ebay for 12 bucks works great
Tallpat | | Cadillac Discussion Tools | | |
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