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zakruti.com » Auto & Vehicles » South Main Auto Repair
Dodge Grand Caravan 3. 8 - Engine Replacement - Part 5

Dodge Grand Caravan 3. 8 - Engine Replacement - Part 5

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Rating: 4.0; Vote: 1
Dodge Grand Caravan 3. 8 - Engine Replacement - Part 5 Tom: One of the things this 69 year old enjoys the most is seeing how little has changed in 50 years, and seeing how much has changed. The changes are _subtle_ but profound. Fifty years ago the fan belts could not possibly be serpentine! The rubber molecules known to chemists were incapable of flexing that many times, and were incapable of sticking to pulleys of modern design. All pulleys in 1970 model cars, and their matching belts, were V-pulleys. When under tension the point of the V shaped belt was pulled hard into the one V grove of the pulley, to create a high friction connection. These belts always ran around the _outside_ of the pulleys, as in 5, 6, & 8 in the diagram shown at 16: 45, they never went around more than 3 pulleys, and they never ever flexed in the other direction as in 4 & 7 in the diagram shown at 16: 45. It is a delight to see these new belts. The rubber of 1970 would stretch such that the tensioner would need to be adjusted at every 6, 000 mile tune-up, by loosening a bolt on the alternator, levering it with a screwdriver to rotate out and tighten the belt, and then tightening the bolt to hold the new tension. This inherent stretching made it impossible to have a non-metallic timing belt; all 1970 timing belts were metal chains.
Date: 2020-08-05

Comments and reviews: 9


Excellent Video. Just FYI, you could have saved a lot of headaches if you would have spent another 10 mins removing the radiator and bumper. Sure, you'd have to recover the AC system but getting the engine in and out would have been a lot easier, plus the hood wouldn't have to come out. I really appreciate this video and the knowledge shared. I just completed this same job. You are the boss my friend.
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Eric just likes to create tension. Will Eric see the missing motor mount nuts? But of course this _is_ Eric O. Grand Master Mechanic so at 9: 45 he casually puts the nuts on and tightens them to factory specs, using the quik-tite torque wrench. I have seen him be ultra-careful with factory specs every time it actually matters, e. g. head bolts, cam-shaft bolts, trainey bolts.
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Great series Eric. I know this video is 3-1/2 years old but i just watched all five parts of the engine swap. After all that work why on earth did you apparently keep the old smells like gas and exhaust coolant in the overflow reservoir? (Maybe it just looked old through the plastic) Could have drained and filled with new for minimal cost. (Less than a gallon of 50/50)
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you might try Grammerly - it's free. In the rolling text in the video at 56: 53, 9 months sense the repair should be 9 months since the repair I have watched a bunch of your videos, interesting, entertaining and informative.
PS About the oil pan damage; could that have happened at the scene of the wreck, or tow truck? Or could you see the fork imprint?

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hi mr o, ive got to say the other evening i was driving home there was a naper came on the radio and as they said napa i said and not a sponsor. i guess you had to be there it was pretty funny. thanks for sharing.
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Nice job Eric those flat rates don't allow for rusted on parts or plastic connectors that have gotten brittle and parts people who don't give a crap and careless junk yard people. I am a retired heavy equip. mech.
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SMH. Dang youre good! You know a mechanic is good when you cant hardly tell hes been in your engine compartment. Great job Mr. O! By the way. those kids are cool coming in to see you. they know who is real!
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I watched the entire series waiting to see the washer tee being replaced. I must have fell asleep at some point and missed it. I guess I am going to have to watch the whole thing again some time.
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Impossible to imagine drivetrains this cramped and complicated in the days when primitive motor oil meant engines needed complete dismantling and reassembly every few thousand miles.
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