|
|
|
#1
|
||||
|
||||
Should I preemptively ream my glow plug holes?
I have never done it and I don't know whether or not the plugs are original. They seem to work fine, but I want to know whether or not it's a good idea to ream the holes now so when I do need to replace them I won't have any problems. Or is this a "if it ain't broke, don't fix it situation"? It would suck if I ended up breaking one or something.
__________________
1983 240D 3.0T 4-speed manual, now sold 1989 Subaru GL Wagon 5-speed Touring Edition |
#2
|
||||
|
||||
I never have on any of ours....and don't plan to....
__________________
-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) |
#3
|
||||
|
||||
Reaming is not a scheduled maintenance item, you only do it if you have to. If you have to, you bet find out why you have to.
__________________
Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort.... 1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles 1987 250td 160k miles English import 2001 jeep turbo diesel 130k miles 1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving |
#4
|
||||
|
||||
I just replace them. Pretty easy job. Why make it complicated and add to the possibility of screwing something up?
__________________
AJ 1985 300D (SOLD) |
#5
|
||||
|
||||
It depends, reaming will usually improve, startup, fuel (mpg), and loingevity of glow plugs.Do you need or want an improvement in any of these areas?
Bosh or Beru, stay away from other brands. |
#6
|
|||
|
|||
Reaming increased the cold weather starting ability of my W116.
__________________
1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#7
|
||||
|
||||
I ream them every time I have the plugs out. Its so easy, why not?
__________________
TC Current stable: - 2004 Mazda RALLYWANKEL - 2007 Saturn sky redline - 2004 Explorer...under surgery. Past: 135i, GTI, 300E, 300SD, 300SD, Stealth |
#8
|
||||
|
||||
Quote:
Glow Plug Reamer broke off in hole!!
__________________
AJ 1985 300D (SOLD) |
#9
|
|||
|
|||
I would not do it unless the glow plug is prone to stuck in the head like newer MBZ. IMHO, mpg, cold start improvements are all in the mind.
__________________
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. |
#10
|
||||
|
||||
Spend your time/money elsewhere.
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#11
|
||||
|
||||
yeah, ream when you replace the plugs.
__________________
1979 300D 220 K miles 1995 C280 109 K miles 1992 Cadillac Eldorado Touring Coupe 57K miles SOLD ******************** 1979 240D 140Kmiles (bought for parents) *SOLD. SAN FRANCISCO/(*San Diego) 1989 300SE 148 K miles *SOLD |
#12
|
|||
|
|||
Be Careful
If you ream the holes, don't force the tool into the hole.
The hole behind the oil filter #5 on my 617 was fairly crusty. I had a hard time getting the tool in and tried to force it in. The tip broke off inside and I had a hard time getting it out. I have pictures of it somewhere in this forum. If I was to do it over again, I would have left it alone. I wonder if I got all the bits out. On the other hand, it was so encrusted, it probably needed it. My 2 cents, Jeff |
#13
|
||||
|
||||
Quote:
Quote from the Thread: "While reaming out a crusty glow plug hole, I forced the tool too much and 1/4 inch broke off the end and is stuck in the hole." This does not sound like somthing that is going to happen to most folks when they Ream the holes on their Glow Plugs. The type of Engine and Glow Plug setup that the Origional Poster has does not have a extensive history of Glow Plugs getting stuck as the later models with the longer Glow Plugs and Aluminum Cylinder Heads do. I think if I was in the Origional Posters situation I would pull one easy to get at Glow Plug and see if it comes out easily. And, if I had a Reamer I would go ahead and Ream that one hole to see how how much Carbon comes out.
__________________
84 300D, 82 Volvo 244Gl Diesel |
#14
|
||||
|
||||
YES
Quote:
Glow plugs link thread http://www.peachparts.com/shopforum/diesel-discussion/137732-glow-plugs-link-thread.html#post1019018 Have a great day.
__________________
ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
#15
|
|||
|
|||
I reamered out mine. I could feel the carbon around the GPs. I wasn't replacing the GPs at that time. I had done a lot of engine work. I wanted to replace the electrical connectors on the wiring and make sure the GPs were torqued properly. There was a bit of carbon reamered out.
I did have some problems with the GP systems a few months ago. The GP light wasn't coming on, and not starting easily. The system checked out good with the Ohm meter. I had to take out each GP and test it with a battery charger. The #1 was bad. The rest glowed with current to them. I put the new one in the #3 cylinder, as it was the hardest to get to and torque. The car started up normally, after that. I did ream the ports again, but not much carbon this time. Tom |
Bookmarks |
Thread Tools | |
Display Modes | |
|
|