question about seized locks...

anyweb

Senior Member
Joined
Jul 15, 2005
Messages
3,169
Reaction score
382
Age
58
Location
Sweden
Website
www.niallbrady.com
Your Mercedes
c238,w120 (diesel)
hi all

with all the chat about locks seizing up i wanted to ask a question that some of you may have some ideas on....

you know those high pressure water hoses that clean dust from just about anything, well what if i was to connect one up to my lock and aim it in the lock hole, with some towels etc placed directly behind to catch the spray etc, would that free up the crap inside or not ????
 

brianbrian

Senior Member
Joined
Sep 27, 2008
Messages
2,758
Reaction score
191
Age
82
Location
cockney in the West Country
Your Mercedes
w124 250D, SL129-deisel
Would have thought water would make things worse, oil and grease and opening boot with key occasionally is what i would recommend.
 

dave.robbo

Senior Member
Joined
May 24, 2008
Messages
311
Reaction score
2
Age
54
Location
Gloucester
Your Mercedes
2004 SLK 350 R171
Spray grease or WD40. Or, ideally, a strip down, clean and re-build, using lots of grease on re-assembly.
 
OP
anyweb

anyweb

Senior Member
Joined
Jul 15, 2005
Messages
3,169
Reaction score
382
Age
58
Location
Sweden
Website
www.niallbrady.com
Your Mercedes
c238,w120 (diesel)
  • Thread Starter
  • Thread starter
  • #5
you do realise i'm talking about high pressure as in via a compressor, just to get the crap out, wouldnt that do it ? oil could be applied aftewards....
 

bigasotonuk

Senior Member
Joined
Nov 14, 2006
Messages
5,331
Reaction score
58
Age
57
Location
Southampton UK
Your Mercedes
C43/55 AMG 1999 / C230K 1997
Give it a go, they high pressure wash the hulls of ships with water now, rather than shot blast them, I would give it a liberal soaking of plus gas after, and I would be inclined to remove it from the car first.
 

dave.robbo

Senior Member
Joined
May 24, 2008
Messages
311
Reaction score
2
Age
54
Location
Gloucester
Your Mercedes
2004 SLK 350 R171
I don't think high pressure water would do it, no.

It would need oil and constant movement, i.e. the key going in and out to move the crud around enough to get it (sort of) working again.
 

Dec

Senior Member
Joined
Nov 30, 2005
Messages
3,300
Reaction score
5
Location
Ireland.
Your Mercedes
W202
I don’t think it would work any better than WD40, there isn’t that much crap in there it just looks worse (in my picture) than it is.
And thanks for your help with the pictures much appreciated.

Dec
 
OP
anyweb

anyweb

Senior Member
Joined
Jul 15, 2005
Messages
3,169
Reaction score
382
Age
58
Location
Sweden
Website
www.niallbrady.com
Your Mercedes
c238,w120 (diesel)
  • Thread Starter
  • Thread starter
  • #9
ok i'll see what happens, i was just wondering

thanks all..
 

mikestrivens

Senior Member
Joined
Nov 21, 2008
Messages
2,715
Reaction score
147
Location
Stockport
Your Mercedes
1995 W124 320TE, 1998 R129 SL500, 2016 Triumph Tiger 800 XCx
Just thought you should read what is said about WD40 and locks in wikipedia

Caution

* WD-40 is not an electrical contact cleaner. It leaves a sticky residue that can attract dust.
* WD-40 should never be used in locks for the same reason. Locks should be cleaned with isopropyl alcohol, allowed to dry thoroughly and lubricated with dry graphite powder.


I would use PTFE myself for the locks
 

Dec

Senior Member
Joined
Nov 30, 2005
Messages
3,300
Reaction score
5
Location
Ireland.
Your Mercedes
W202
Mike, I completely agree with you regarding WD40 but as penetrating oil it is excellent at freeing up parts but no use as a long-term lubricant.

How dose this dry graphite powder work, I don’t know anything about it?

Dec
 

dave.robbo

Senior Member
Joined
May 24, 2008
Messages
311
Reaction score
2
Age
54
Location
Gloucester
Your Mercedes
2004 SLK 350 R171
Dry graphite powder works sort of like adding a non-stick coating to the metal bits.

Ever had a sticky zip? Run a pencil up and down the zip a few times. The graphite in the 'lead' lubricates the zip, and it won't stick any more.

Not sure how to get it into a lock, though!
 

television

Always remembered RIP
Joined
Mar 14, 2005
Messages
164,073
Reaction score
382
Age
90
Location
Daventry
Your Mercedes
2002 SL500, 216 CL500, all fully loaded
PTFE is an excellent product for locks, it is very light weight and never dries.

With graphite just make the key a little bit oily and dip the key into the graphite and insert the key a few times
 

Geoff W

Senior Member
Joined
Oct 1, 2006
Messages
138
Reaction score
0
Age
60
Location
Derbyshire
The Graphite we use in domestic locks comes in a little bottle with a very fine long nozzle which you poke in the lock and squeeze the bottle (like a little puffer bottle) it does lubricate extremely well and does not attract dust and crud like a "wet" oil does.
Regards Geoff.
 

wireman

Senior Member
Joined
Sep 20, 2005
Messages
2,632
Reaction score
3
Location
lancashire
Your Mercedes
nice 201 2.5D 1993 & very nice 129 SL500 1994
Use the graphite it is much superior in resistance to washing of either by spray or rubbing action, graphite powder is also very green being an inert natural mineral. PTFE is truly horrid in eco terms and treatment lacks longevity, the solvent base of such sprays are also an eco nightmare.
 

Number_Cruncher

Senior Member
Joined
Oct 10, 2007
Messages
1,806
Reaction score
3
Your Mercedes
1995 W124 E300D TE
Once you have freed off the door lock, the only thing that you should use to lubricate it is grease.

Huf, the company who supply MB with door locks developed their own grease in conjunction with Fuchs (they put about 1 gram in each lock).

Injecting grease using a syringe body works well.
 

television

Always remembered RIP
Joined
Mar 14, 2005
Messages
164,073
Reaction score
382
Age
90
Location
Daventry
Your Mercedes
2002 SL500, 216 CL500, all fully loaded
Once you have freed off the door lock, the only thing that you should use to lubricate it is grease.

Huf, the company who supply MB with door locks developed their own grease in conjunction with Fuchs (they put about 1 gram in each lock).

Injecting grease using a syringe body works well.

Only white grease and no other
 

Dec

Senior Member
Joined
Nov 30, 2005
Messages
3,300
Reaction score
5
Location
Ireland.
Your Mercedes
W202
Once you have freed off the door lock, the only thing that you should use to lubricate it is grease.

Huf, the company who supply MB with door locks developed their own grease in conjunction with Fuchs (they put about 1 gram in each lock).

Injecting grease using a syringe body works well.

Grease is what I used on the boot lock when I took it apart and with respect to the other suggestions I too think that grease is the best lubricant for the job.
Now injecting with a syringe, that’s an idea, must try it.

Dec
 


GAD was founded in 2009 where we developed bespoke ECU Remapping software for motorsport clients, moving forward, we have extended to road vehicles for both performance and economy,
contact GAD Tuninghttp://www.GADTuning.co.ukto discuss your requirements.
Top Bottom