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Timing Chain Guide - Big Problem
Well, I'm in the middle of attempting to change out the guides on the '86 420 SEL. When I took off the driver's side valve cover, I noticed the top pieces of the guides were broken off. Once I removed the distributor and PS pump, I started to use the bolt/washer/socket method of pulling out the pins. They won't seem to budge! As I'm standing scratching my head, I decided to fiddle with what was left of the most accessible guide - it was completely broken! The middle section came out in my hand, the parts that the pins go through are gone. So, here I am now, trying to fish out the bits that are visible down the bottom of the timing chain and I wonder if this engine will be OK to run without the guides (at least to a mechanic). I mean, who knows how long the guide has been broken up like this, the parts are all stained where they broke apart.
Advise graciously accepted! Happy Easter, Geno. |
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You would have to pay me around 4-5k* to do that which you propose.
In other words: No way! * the least amount it will cost to fix whatever is going to break.
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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein 09 Jetta TDI 1985 300D |
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So, as this has obviously been broken up for quite some time is it just lucky that nothing catastrophic has happened? Have we been playing Russian Roulette? |
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Yeah dude, you got very lucky, probably the entire engine was saved by that last piece of guide!
DO NOT DRIVE IT WITHOUT A GUIDE! PAY $100 TO TOW IT! NOT $3000+ TO REBUILD IT
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2006 BMW M5 "Heidi" @ 109,000 miles 2005 MBZ C55 AMG "Lorelai" @ 165,000 miles 1991 MBZ 300E "Benzachino II" @ 165,000 miles 1990 MBZ 500SL "Shoshanna" @ 118,000 miles (On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!) |
#5
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He's replacing 4 timing chain guides, timing chain (timing out by about 15 degrees!), valve stem seals, 6 rocker arms (just starting to get pitted), a brake vacuum hose (back of engine) all the clear plastic vacuum lines that are brittle and cracked, vacuum check valve, radiator cap, brake system flush and doing an oil change. Total bill will be about $1200 CAD or about $1K US including all parts and labour. Car will be ready at 5:00 tonight. Not bad considering everything was closed yesterday for an unofficial holiday. |
#6
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WOW!
Like a new car!
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2006 BMW M5 "Heidi" @ 109,000 miles 2005 MBZ C55 AMG "Lorelai" @ 165,000 miles 1991 MBZ 300E "Benzachino II" @ 165,000 miles 1990 MBZ 500SL "Shoshanna" @ 118,000 miles (On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!) |
#7
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John Roncallo |
#8
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He thinks I should take the car back from the kid and keep it for myself, I'm thinking I might want to! |
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