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#1
02-28-2011, 06:06 PM
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The importance of getting underneath your car
This posting is especially aimed at new members.
With these old cars it's essential you get under your car regularly to give it a thorough inspection. Do this safely - there are postings here on how to do support your car safely - do NOT get underneath when the car is supported only with a jack. Courtesy of a friendly indie we put my 300SD up on a hoist a week ago and spent an hour going over the underside. What you may find may be bad news, but at least you will know the true state of your ride. What we found was - rust in the rear wheel wells. Not too bad but some minor welding needed, - front crank seal starting to leak, replacement sometime down the road - centre exhaust rubber mounts starting to go, all cracked - front fender liners giving up the ghost and letting road crud into the rockers - weeping diesel line, which we replaced on the spot by cutting out the weak spot and replacing it with some flexible hose Depending on your pocket book you may not want to do everything yourself. But if you know the true state of your car it will put you in a much better position to deal intelligently with your mechanic or to plan what work you need to do yourself. 
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#2
02-28-2011, 06:10 PM
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Those front fender covers seem to be a common wear item after all these years I am in fact stripping down my SD's wheel well tonight and welding in a patch panel...Truck bed lining, undercoat, and lots of POR-15 on order.
__________________
TC Current stable: - 2004 Mazda RALLYWANKEL - 2007 Saturn sky redline - 2004 Explorer...under surgery. Past: 135i, GTI, 300E, 300SD, 300SD, Stealth
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#3
02-28-2011, 06:21 PM
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I'll tell you what I found. I bought a rundown 240D cheap from a neighbor, drove it for a while and finally got around to looking it over underneath, There was ONE bolt left in the fwd flex disc
 and the bolts in the rear disc were lose
__________________
 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#4
02-28-2011, 10:16 PM
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In addition to the usual holes I found in a rusty 240D I purchased a few years ago, I discovered the outer rear leg of the front passenger-seat dangling in air, while the front-pasenger seatbelt was anchored only to carpet!
Happy Motoring, Mark
__________________
DrDKW
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#5
03-02-2011, 10:52 AM
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Quote:
__________________
1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#6
03-01-2011, 12:48 AM
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Quote:
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#7
03-01-2011, 08:07 AM
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On one of my 240Ds, I replaced the skimpy front fender blocking panels with full fender liners from a late '82 W123. Too late for some of the rust already there.
Happy Motoring, Mark
__________________
DrDKW
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#8
03-01-2011, 08:13 AM
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Something else should be mentioned,as I used these for years.
Don't use cinder blocks,I used them for years with heavy vehicles.I did not know how easy they can shatter.
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt
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#9
03-01-2011, 08:16 AM
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__________________
Jim
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#10
03-01-2011, 02:39 PM
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FYI
No vehicle is worth risking your life.
Man Crushed working on car http://www.peachparts.com/shopforum/showthread.php?t=294952 Health & Safety http://www.peachparts.com/shopforum/showthread.php?t=142390 Who has the most rust and still drives http://www.peachparts.com/shopforum/showthread.php?t=86054 Bodywork, Fast search Links http://www.peachparts.com/shopforum/showthread.php?t=283566 .
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ASE Master Mechanic https://whunter.carrd.co/ 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 2003 Volvo V70 https://www.boldegoist.com/
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#11
03-02-2011, 11:00 AM
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If I'm working under the car a while, I usually bring stacked spare wheels and stacked heavy timbers under there with me to keep me company. If the car falls off the stands, they're my best friends.
__________________
Cheers! Scott McPhee 1987 300D
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#12
03-02-2011, 04:13 PM
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safety underneath the car
Quote:
When working on my David Brown 990 tractor we used to support it on 12"x12" timbers, which worked great. For the 300SD I use 6x6 timbers as back up. Roy posted some good ideas previously in this thread. Do NOT rely on one form of support. And always wear eye protection. It's amazing how much crud comes off, especially if the car lives in a winter climate with lots of sand or salt on the roads.
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