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#4495743 - 08/23/17 12:31 AM Best lube for disassembled door locks?
LucasDK Offline


Registered: 06/14/11
Posts: 77
Loc: Denmark, Europe
Hi,

I am about to restore my car which means I have fully disassembled all parts. It also means I have all 5 lock cylinders as single units in my hand.

I do understand many people suggest graphite or some dry lube for installed locks as some sort of quick fix if there are any problems.

I am looking for a long term solution because now I have a chance of providing the best lubrication while the locks are out.

Can anyone recommend a solution?

I was thinking of fully submerging all lock cylinders in a synthetic 0W40 engine oil. A 0W40 should stay thin at cold temperatures, the synthetic oil should never gum up as a mineral oil. I would let it drip off and occasionally wipe the excess off until I will install them again in 6 months.

Lucas
_________________________
Toyota Hiace 2,4D (2L engine)
Toyota Corolla AE92, (4A-FE engine)
Ford Model A (3,4 liter engine)

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#4495744 - 08/23/17 12:36 AM Re: Best lube for disassembled door locks? [Re: LucasDK]
dishdude Online   content


Registered: 11/14/08
Posts: 8765
Loc: Phoenix
_________________________
2018 Challenger SRT

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#4495751 - 08/23/17 12:57 AM Re: Best lube for disassembled door locks? [Re: LucasDK]
FermeLaPorte Offline


Registered: 07/25/17
Posts: 472
Loc: Texas (south)
Wd40
_________________________
Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.

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#4495791 - 08/23/17 04:51 AM Re: Best lube for disassembled door locks? [Re: LucasDK]
JHZR2 Offline



Registered: 12/14/02
Posts: 41805
Loc: New Jersey
Not sure Id want oil in there. It will get gummy over time and hold dirt/grit.

Thought silicone or graphite were the right options. Certain rub points internal to the door skin but external to the assembly might get a thin coat of grease like one of the molykote options, shin etsu, etc.

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#4495804 - 08/23/17 05:37 AM Re: Best lube for disassembled door locks? [Re: FermeLaPorte]
JC1 Offline


Registered: 11/29/08
Posts: 3019
Loc: Oshawa, Ontario Canada
Originally Posted By: FermeLaPorte
Wd40


Don't use WD-40. It will attract dirt and dust and gum up your locks. I've used white lithium grease with good results.
_________________________
2015 Grand Caravan SXT Plus 5w-20 PPPP/Wix Filter
1997 Honda Civic CX 5w-30 PPPP/Mahle Filter

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#4495902 - 08/23/17 08:03 AM Re: Best lube for disassembled door locks? [Re: JC1]
Piston_slap Offline


Registered: 08/06/11
Posts: 136
Loc: Va.
Originally Posted By: JC1
Originally Posted By: FermeLaPorte
Wd40


Don't use WD-40. It will attract dirt and dust and gum up your locks. I've used white lithium grease with good results.


What allows white lithium grease to repel dirt and dust? ???
_________________________
1994 Ford Econoline w/302 & 4R70W
Valvoline 10W-40, Motorcraft FL1
Isotope U235

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#4495916 - 08/23/17 08:14 AM Re: Best lube for disassembled door locks? [Re: LucasDK]
JamesBond Offline


Registered: 12/13/06
Posts: 843
Loc: midwest
I use Remington dri-lube on all my locks.

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#4495920 - 08/23/17 08:18 AM Re: Best lube for disassembled door locks? [Re: LucasDK]
kschachn Offline


Registered: 12/26/05
Posts: 9420
Loc: Upper Midwest
I've rebuilt all the lock cylinders on my BMW and a couple on my Toyota, and the thing that works best for me is the little tube of lubricant BMW gives you when you buy a wafer set. I've been unable to find it separately from the kits and I'd like to find something similar. I don't know what that grease is exactly but it works great down to low temperatures and the cylinders never get stiff or gooey.

Originally Posted By: LucasDK
Hi,

I am about to restore my car which means I have fully disassembled all parts. It also means I have all 5 lock cylinders as single units in my hand.

I do understand many people suggest graphite or some dry lube for installed locks as some sort of quick fix if there are any problems.

I am looking for a long term solution because now I have a chance of providing the best lubrication while the locks are out.

Can anyone recommend a solution?

I was thinking of fully submerging all lock cylinders in a synthetic 0W40 engine oil. A 0W40 should stay thin at cold temperatures, the synthetic oil should never gum up as a mineral oil. I would let it drip off and occasionally wipe the excess off until I will install them again in 6 months.
_________________________
1994 BMW 530i, 227K
1996 Honda Accord, 262K
1999 Toyota Sienna, 394K
2000 Toyota ECHO, 267K

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#4495931 - 08/23/17 08:41 AM Re: Best lube for disassembled door locks? [Re: kschachn]
mightymousetech Offline


Registered: 04/03/17
Posts: 1444
Loc: Ontario, Canada
Originally Posted By: kschachn
I've rebuilt all the lock cylinders on my BMW and a couple on my Toyota, and the thing that works best for me is the little tube of lubricant BMW gives you when you buy a wafer set. I've been unable to find it separately from the kits and I'd like to find something similar. I don't know what that grease is exactly but it works great down to low temperatures and the cylinders never get stiff or gooey.

Originally Posted By: LucasDK
Hi,

I am about to restore my car which means I have fully disassembled all parts. It also means I have all 5 lock cylinders as single units in my hand.

I do understand many people suggest graphite or some dry lube for installed locks as some sort of quick fix if there are any problems.

I am looking for a long term solution because now I have a chance of providing the best lubrication while the locks are out.

Can anyone recommend a solution?

I was thinking of fully submerging all lock cylinders in a synthetic 0W40 engine oil. A 0W40 should stay thin at cold temperatures, the synthetic oil should never gum up as a mineral oil. I would let it drip off and occasionally wipe the excess off until I will install them again in 6 months.


Honda provides a similar grease. It is a very, very light silicone grease.
_________________________
Mighty Mouse Tech
Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

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#4496010 - 08/23/17 10:14 AM Re: Best lube for disassembled door locks? [Re: LucasDK]
JeepWJ19 Offline


Registered: 09/09/15
Posts: 933
Loc: PENNSYLVANIA
I'm not too familiar with grease, but what about something like Napa SylGlyde?
_________________________
2002 Jeep WJ 4.0 | Mobil 1 HM 5w30 |
TG8A | 2.5" lift | 148k miles

Software Engineer :]

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#4496063 - 08/23/17 11:54 AM Re: Best lube for disassembled door locks? [Re: LucasDK]
mehullica Offline


Registered: 08/19/09
Posts: 554
Loc: Modesto,CA
My friend is a professional locksmith for the last 30 years & he recommends cleaning all the internals with electrical contact cleaner & using no lubricating products at all. Just keep the keys clean. If the lock has problems already, then use Tri-Flow sparingly.

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#4496135 - 08/23/17 01:37 PM Re: Best lube for disassembled door locks? [Re: LucasDK]
zzyzzx Offline


Registered: 05/18/12
Posts: 4372
Loc: Baltimore, Maryland, USA
I use 5W-30. If I lived in Denmark, I might be tempted to use a lighter grade oil.

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#4496155 - 08/23/17 02:05 PM Re: Best lube for disassembled door locks? [Re: zzyzzx]
LucasDK Offline


Registered: 06/14/11
Posts: 77
Loc: Denmark, Europe
Originally Posted By: zzyzzx
I use 5W-30. If I lived in Denmark, I might be tempted to use a lighter grade oil.


For how many years have you been doing that?

Lucas
_________________________
Toyota Hiace 2,4D (2L engine)
Toyota Corolla AE92, (4A-FE engine)
Ford Model A (3,4 liter engine)

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#4496167 - 08/23/17 02:25 PM Re: Best lube for disassembled door locks? [Re: LucasDK]
bigt61 Offline


Registered: 02/12/13
Posts: 3117
Loc: Virginia
GM makes a door lock lube - but they also recommended Mobil 1 as a substitute. My 92 Suburban has a TSB regarding door lock lube. I always used M1 5W-30 on the doors and the ignition - I lube them every 5 years or so.
_________________________
92 Suburban 2500 7.4L 58k M1_0w40 5yr OCI
99 Olds Aurora 4.0L 91K M1_5w30 5yr OCI
13 Dodge Dart 2.0L 30k PP 0w20 OLM OCI
70 Camaro 5.7L 59k

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#4496203 - 08/23/17 03:22 PM Re: Best lube for disassembled door locks? [Re: LucasDK]
nthach Offline


Registered: 01/02/04
Posts: 3909
Loc: California
When I lube door locks, I prefer a dry film lube or a PTFE-containing product like Super Lube or Tri-Flow grease.

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