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#1
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93 300e Engine Siezed Can It Be Saved
I have just received a 1993 300e it was in a little fresh water up to about the doors the interior is clean and the carpets are dry even the underside all the electrics seem to work but when i went to roll over the motor it is a no go even by hand, it has a 3.2 double overhead cam 24 valve the kicker is that it's a sportline model is there anything i can do to try to free it up or is it possible for a shop to make it appear as though the engine is siezed in order to buy it cheaply any help would be appreciated and tried thanks Peter
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#2
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I am in no way knowing anything better than you. However, have you thought of giving MMO (Marvel Mystery oil) a try?
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11 S550 09 C300 91 560SEL 90 300CE 84 380SE 83 240D |
#3
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1) Remove all spark plugs.
2) Try to turn the engine by hand. 3) If it does not turn, remove the head and.... good luck |
#4
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Available In Canada
I have never heard of that stuff before but i will look thank you
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#5
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MMO isn't going to help. Water got in the intake, which resulted in the rods bending (assuming it was running at the time or an attempt was made to start it without storing it in a dry shop for a month or so)...
The only way to unsieze it is to replace the rods, but the cylinders may be badly damaged, the crank may be bent, and the pistons are probably screwed up too.
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Current: 2021 Charger Scat Pack Widebody "Sinabee" 2024 CR-V Hybrid Previous: 1972 280SE 4.5 2018 Durango R/T, 2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi" 1999 Chrysler 300M - RIP @ 221k |
#6
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If the water was only up to the bottom of the doors, and the car was level, water was not likely drawn into the intake.
How deep WAS the water?
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2012 E350 2006 Callaway SC560 |
#7
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The water only made it up to the bottom of the doors and there is no sign of water anywhere around the engine the air filtre is dry and the throttle body is clean a slight oil residue but no water and the dipstick oil level is normal and clean as well .I have had an engine in the past that had water come out of the oil drain but they would turn over even after the engine sat for 3 months so I am at a loss to figure out this one thanks
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#8
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There's always the possibility that water got drawn in from a splash and hydrolocked the engine. The water level may not tell the whole story. Perhaps the car stopped in dramatic fashion.
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95 E320 Cabriolet, 169K |
#9
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I can check later. But on the M104 engined 124 cars, the airbox sits in the front left (passenger in the US) corner of the engine compartment. The air intake is into the bottom of the box, from a snorkel that *I think* extends forward and under the bumper. Basically, the air is drawn in from the grille slots below the front bumper. I'd guess a decent size wave in 12" of water would be enough to flood it. I wonder how much water an engine can ingest without damage.
Oh yeah, it's totally different than the M103 cars before 1993. - JimY |
#10
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Quote:
I have both: M103 and M104 engined cars. I also have a W210 and a W203. The air intake in the M103 and M104 (early version) engines is at the front, left side of the grill, above the bumper. The air snorkel comes directly from the air cleaner box. It never goes under the bumper. It would take more than 12" inches of water to get water into the air intake snorkel. Now, if the car splashed into the water, or was driven fast into the water, the resulting splash may have caused water to rise and go up the air snorkel. I wish you luck and I hope your engine is OK.
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Current Benzes 1989 300TE "Alice" 1990 300CE "Sam Spade" 1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007) 1998 E320 "Orson" 2002 C320 Wagon "Molly Fox" Res non semper sunt quae esse videntur My Gallery Not in this weather! |
#11
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There's some helpful information here. http://www.peachparts.com/shopforum/showthread.php?t=165465
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#12
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the air box is on the right and the right if you are sitting inside the car passengers side is the right hand side of the car . the plugs are out and i put some solvent into the cylinders to loosen the rings and as i said before there was no sign of water anywhere .I left everything to sit for two days and when i came back to look there was water covering the throttle body by about 1 inch and we had no rain at all so it is a mystery where this came from I put a 24 inch bar on the crank with a 27mm socket and tried to turn it it would no budge it only tightened the bolt a little so I have come to the conculsion it must have been hydrolocked and bent some internal parts . Now i guess i take the head off and see what is under it ,but is there a way to get the chain off without ruining it and are these good motors any way the 3.2 it really is a shame because it is a very pretty car and I have only ever driven the diesel 124 I was looking so forward to testing it for power. thanks for the insight and any more help I wish i could post some pictures of it is there a drop down to show you how to post stuff .thanks again Peter
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#13
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This happend to a co workers S430. It ran through a puddle that was maybe 6in deep, some water got into the engine and just like that it hydrolocked. Insurance company picked the tab up from that one, what does a new M113 installed at the dealer cost?
![]() These are not trucks, it doesn't take much water for it to get sucked in.
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2016 Corvette Stingray 2LT 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#14
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Removing the oil pan is much easier than removing the cylinder head, and a quick inspection should reveal if anything in the bottom end is damaged (it sounds like it is).
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#15
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On the other hand, how can so much water make it past the filter in such a short time?
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95 E320 Cabriolet, 169K |
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