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#1
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Do extremely cold starts affect glow plug longevity?
Do extremely cold starts adversely affect glow plug longevity? Just wondering if using the block heater may extend the life of my glow plugs. I've been plugging in my 98 pretty consistently this winter....more because I can than any perceived need to.
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#2
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That was my assumption when I installed my manual glow system. Only glow what you need and extend the life of the plugs was my working hypotheses.
An incandescent light bulb is a close analog....at least so it seems.
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Current Stable
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#3
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I used to get 3-4 years out of glow plugs even with the afterglow system that ran them 3 mins every time I started the car...
My current setup is a straight 40 second glow every startup....haven't had a plug fail yet, they've been in there almost 2 years now.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#4
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My logic says yes, if only because with a block heater there isnt a need to double glow and much quicker starts without the engine struggling for a minute to smooth out. I've been using the block heater on the 300TDt since it got cold and the e300 is much much happier since I finally installed the BH cord 3 weeks ago.
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Treetops 06 E320 CDI 127K Miles 87 300TD 231K Miles 99 E300 269K Miles-Sold |
#5
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Quote:
Using the Block Heater is also benefit to saving your Battery and your Starter.
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84 300D, 82 Volvo 244Gl Diesel |
#6
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Hmm I would imagine so but probably not something that I would actively worry about.
My 300D had its glow plugs changed December of 2012. That was nearly 60,000 miles ago. Car starts well at any temperature. Now whether or not it runs well is another story..I think I've got air getting in places it shouldn't be.
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k |
#7
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I am more analytical than others. It is my trade.
I would say NO as there is lack of information. The GP may last longer if the OP disconnects the GP relay AND plugs in the block heater. He is not doing anything different than what is done during every start up.
If the engine fires up quicker then the answer is may be. This info is lacking.
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed. W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html 1 X 2006 CDI 1 x 87 300SDL 1 x 87 300D 1 x 87 300TDT wagon 1 x 83 300D 1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry. |
#8
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What James Dean said, probably has some impact but not something to worry about unless you are the type to run the glowplugs until they die. That isn't a winning strategy to begin with, less so if you live anywhere where it gets seriously cold.
Also if you have that on your lists of questions, your fleet must be behaving really well these days .
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Mac 2002 e320 4matic estate│1985 300d│1980 300td Previous: 1979 & 1982 & 1983 300sd │ 1982 240d “Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22 |
#9
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Haha...very perceptive. When all my cars are working perfectly (like now), I tend to wonder about minor things!
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#10
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YES....the longer they are on....the shorter in time they live!
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#11
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That's why I only use my glow plugs on the first cold start of the day. After that, I generally start the car like I would a gasser.
Dkr. |
#12
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YES....glow plugs have a pre-determined life.....the longer they are switched on...they run a clock....and clock hours on GP's the shorter the life...regardless of outside or inside the environment.
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#13
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Not that I need to re-glow the plugs very often in TX weather but I would say, changing plugs on an OM60x is not as fun as an OM61x.
At the same savings of glow plugs, you might be wearing on your block heater more. I have no idea how hard those are to change but if it burns out to save the plugs, you need to look at which job is less fun/costly.
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#14
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@Eaton...I switched out a non working block heater on my OM603 and plugged it in every night throughout Dec thru March...instant heat...a warm car in a minute or two. Block heaters help starts, but with MB's, you still need the GP's
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#15
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Quote:
However, as the weather got colder....not so much.
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Strelnik Invest in America: Buy a Congressman! 1950 170SD 1951 Citroen 11BN 1953 Citroen 11BNF limo 1953 220a project 1959 180D 1960 190D 1960 Borgward Isabella TS 2dr 1983 240D daily driver 1983 380SL 1990 350SDL daily driver alt 3 x Citroen DS21M, down from 5 3 x Citroen 2CV, down from 6 |
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