01-15-2019, 12:27 AM
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#46
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Senior Member
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Join Date: Mar 2016
Location: West Bend, WI
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Real Name: Mike
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Senior Member
Join Date: Mar 2016
Location: West Bend, WI
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Real Name: Mike
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Quote:
Originally Posted by twitchee2
Wait, what does this mean? Is the motor spinning freely with the starter but it just doesn't not catch and actually run?
I have a theory but it depends on your answer to this.
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Broken flex plate theory?
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1997 SR5 4x4 Auto, 99' tall coils up front, OME 906's, Truetrac LSD, Airaid MIT
1999 SR5 4x4 Auto for parts
2011 Camry SE V6
2011 Highlander Limited
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01-15-2019, 01:16 AM
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#47
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Join Date: Oct 2006
Location: Rocklin, CA
Posts: 884
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Join Date: Oct 2006
Location: Rocklin, CA
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Quote:
Originally Posted by thegipper
Broken flex plate theory?
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No, maybe the start motor seized with the bendix not retracted. As you turned the motor by hand, it would make strange noises and the starter wouldn't spin the motor to start it. Kind of a shot in the dark and at lot stars have to align for this theory to be possible.
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2002 SR5 4WD
deckplate + ISR, Airlift 1000, OME 881/890, Goodyear Wrangler Duratrac 265/75/16C
Tundra 231mm Brakes - yes they DO fit the stock 5 spoke rims - Stubbs Welding HD-SKO sliders.
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01-15-2019, 02:53 AM
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#48
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Join Date: Jan 2019
Location: York, Pa
Posts: 96
Real Name: Rich
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Join Date: Jan 2019
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Bendix on the starter will make a drill noise when the sprague goes bad.
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Bought this 99 in 01 and haven't let it go since! Valve dropped at 195k so I rebuilt it with reman heads, new rings and one new piston...tough to find the correct numbered one but I did...still had the original hatch...I soaped it and did a light hatch to help the new rings seat...that was in 2015...since then I did a basic lift and put some VTX 18x9 inch wheels with 0 offset...Ive grounded the rear locker, ran a diff extension into the gas cap, did the hood piston mod...GM Alternator...13WL brakes..30 year ASE Master Tech with more tools than sense, so I quit everything and work at home now.
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01-15-2019, 08:55 PM
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#49
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Join Date: Oct 2006
Location: Rocklin, CA
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Quote:
Originally Posted by WWRD99
Bendix on the starter will make a drill noise when the sprague goes bad.
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Yes, you are correct and i know that sound very well unfortunately, but if the starter itself is seized, you would not hear the drill noise. Then when he turned it over by hand, it could very well have been the strange noise he was hearing.
Just a thought I had that sort of made sense in my head.
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2002 SR5 4WD
deckplate + ISR, Airlift 1000, OME 881/890, Goodyear Wrangler Duratrac 265/75/16C
Tundra 231mm Brakes - yes they DO fit the stock 5 spoke rims - Stubbs Welding HD-SKO sliders.
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01-16-2019, 12:32 PM
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#50
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Join Date: Jul 2014
Location: Wilmington, NC
Posts: 889
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Location: Wilmington, NC
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I'm on the edge of my seat here - I'm emotionally invested! I need to know what happened!
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2000 4Runner SR5 Sport
1998 Lexus LX470
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01-16-2019, 12:47 PM
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#51
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Join Date: Feb 2018
Location: Southern California
Posts: 472
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Location: Southern California
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Quote:
Originally Posted by nc-grayson
I'm on the edge of my seat here - I'm emotionally invested! I need to know what happened!
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LOL
#metoo
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01-22-2019, 09:00 PM
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#52
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Junior Member
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Join Date: Jan 2019
Location: Yuma, AZ
Posts: 1
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Location: Yuma, AZ
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About to conduct engine autopsy. Request advice.
Hello,
Would someone please help me with a comprehensive list of what I should need to take an engine apart to fix a blown head gasket?
I have a 2000 limited 3.4L 2wd w/ 190k. I keep the car in Arizona and use it sparingly when I am there for work. On December 3, radiator failed and the engine overheated.
I'm almost positive I have a blown head gasket. Symptoms were researched and checked and discussed with competent mechanic.
I will have an opportunity to work on the car on February 15th and I'd like to take the engine apart to survey the damage and (hopefully) discover that it is a blown HG that is fixable.
I have never done anything like this but I will have a good supply of tools and people to help me at the auto hobby shop at a local military base.
Can someone please help me with a (somewhat) comprehensive list of what I should need/need to know? I'm talking useful manuals, YouTube videos/channels, dos and don'ts, etc.
The engine is likely toast but I paid $3400 for the car then paid $1000 to get the radiator system fixed only to have the maintenance people run a test on it to tell me the engine was shot. In other words, the logical thing for me to do is sell the car for parts but I don't want to because he's my friend now.
Please help.
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01-23-2019, 02:25 AM
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#53
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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Quote:
Originally Posted by Program7509
Hello,
Would someone please help me with a comprehensive list of what I should need to take an engine apart to fix a blown head gasket?
I have a 2000 limited 3.4L 2wd w/ 190k. I keep the car in Arizona and use it sparingly when I am there for work. On December 3, radiator failed and the engine overheated.
I'm almost positive I have a blown head gasket. Symptoms were researched and checked and discussed with competent mechanic.
I will have an opportunity to work on the car on February 15th and I'd like to take the engine apart to survey the damage and (hopefully) discover that it is a blown HG that is fixable.
I have never done anything like this but I will have a good supply of tools and people to help me at the auto hobby shop at a local military base.
Can someone please help me with a (somewhat) comprehensive list of what I should need/need to know? I'm talking useful manuals, YouTube videos/channels, dos and don'ts, etc.
The engine is likely toast but I paid $3400 for the car then paid $1000 to get the radiator system fixed only to have the maintenance people run a test on it to tell me the engine was shot. In other words, the logical thing for me to do is sell the car for parts but I don't want to because he's my friend now.
Please help.
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This video series I've used several times. Great diagnosis as well as how to remove various components: YouTube. It's a 6 part video I think but also shows how to do a leak down test, which is what your mechanic SHOULD have done to confirm that is it indeed the issue. No leak down test means everything is just hear-say and opinions.
Head gasket repair is not for the faint of heart. It is one of the most complex repair jobs possible as far as how deep you have to go. I would not consider it a one day job, since if you have the head off you'll also need to take it to a machine shop to be pressure tested and machined, since the problem might be a warped or cracked head, meaning without that you'll just "blow" another gasket in a week's time.
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04-02-2019, 01:12 AM
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#54
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Member
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Join Date: Apr 2016
Location: Raleigh, NC
Posts: 58
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Update
Yo fellas sorry to leave you hanging. I decided to attempt an engine replacement since the old engine is most likely hydrolocked. I had to work for a while to save up enough money and time and now i'm taking a week off work to complete it. I got an engine from a wrecked auto '00 4runner with 115k miles for $1100. Found it at a salvage yard that has really exceptional google reviews. I've already got the engine out and replaced the rear main seal, oil cooler hoses and pilot bearing. I'm also going to replace the oil cooler O ring and engine mounts. The valve cover gaskets aren't leaking at all so thats good. I'm just not very confident about the wiring since the new engine is from an auto and I have a manual. I know a lot of people have done 5 speed swaps so if any of you have any pointers it would be awesome because i'm pretty clueless. Will I have to put all the wiring from the manual onto the auto? or can I modify the wiring harnesses somehow?
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'99 5 speed 4x4 V6, OME/5100 lift, 32" Toyo AT3, replaced engine, lots of maintenance and cheap mods
230k miles on body, 143k on engine
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04-02-2019, 01:34 AM
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#55
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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Quote:
Originally Posted by RuggedRunner
Yo fellas sorry to leave you hanging. I decided to attempt an engine replacement since the old engine is most likely hydrolocked. I had to work for a while to save up enough money and time and now i'm taking a week off work to complete it. I got an engine from a wrecked auto '00 4runner with 115k miles for $1100. Found it at a salvage yard that has really exceptional google reviews. I've already got the engine out and replaced the rear main seal, oil cooler hoses and pilot bearing. I'm also going to replace the oil cooler O ring and engine mounts. The valve cover gaskets aren't leaking at all so thats good. I'm just not very confident about the wiring since the new engine is from an auto and I have a manual. I know a lot of people have done 5 speed swaps so if any of you have any pointers it would be awesome because i'm pretty clueless. Will I have to put all the wiring from the manual onto the auto? or can I modify the wiring harnesses somehow?
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You are going to use the wiring harness from your manual. Whatever harness that came with the auto you'll need to completely disconnect and set aside, they are not the same so not interchangable. You'll also want to keep any parts that are different off your old engine, such as the throttle body and move them over to the donor engine. I can't think of any other differences off the top of my head but there might be more than that.
It's worth fitting up the entire engine harness before putting the new engine in just to make sure it all fits and matches. Then you just feed the engine harness through your firewall and hook it up to your ECU. Toyota was smart and if the connector doesn't fit, the part is not compatible with that harness.
Last edited by gamefreakgc; 04-02-2019 at 01:36 AM.
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04-02-2019, 07:26 AM
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#56
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Senior Member
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Join Date: Mar 2016
Location: West Bend, WI
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Real Name: Mike
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Senior Member
Join Date: Mar 2016
Location: West Bend, WI
Posts: 2,339
Real Name: Mike
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Pretty much what gamefreak said.
You'll just need to take the engine harness off your bad engine and swap it over to your new engine (plus the throttle body). Every connector on the engine side should be identical.
I swapped a 99 engine into my 97 so I've been down this road before. Granted it was an auto to auto swap but that shouldn't matter other than the throttle body (auto has a kick down cable for the tranny). It took maybe an hour to swap the harness over and wasn't difficult at all.
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1997 SR5 4x4 Auto, 99' tall coils up front, OME 906's, Truetrac LSD, Airaid MIT
1999 SR5 4x4 Auto for parts
2011 Camry SE V6
2011 Highlander Limited
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04-02-2019, 12:38 PM
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#57
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Join Date: Apr 2016
Location: Raleigh, NC
Posts: 58
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So the whole harness includes the transmission plugs and diagnostics port right? Will i have to take the intake manifold off? i don't see how i can get the whole harness off without taking it off
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'99 5 speed 4x4 V6, OME/5100 lift, 32" Toyo AT3, replaced engine, lots of maintenance and cheap mods
230k miles on body, 143k on engine
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04-02-2019, 01:02 PM
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#58
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Senior Member
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Join Date: Mar 2016
Location: West Bend, WI
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Real Name: Mike
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Senior Member
Join Date: Mar 2016
Location: West Bend, WI
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Real Name: Mike
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Yes, the entire engine harness must come off, it goes through the firewall on the passenger side. I would unbolt the ECM first and unplug all of the connectors, especially if you are not sure which ones are for the engine harness. Then remove the two bolts that hold the engine harness grommet to the firewall. You can then gently pull the harness out through the firewall. Once that is done, you can start removing all of the plugs/connectors on the engine.
You'll need to remove the upper/lower intake manifolds to get the harness off. Just be careful that you have everything unplugged before you go yanking on it and break something. Trust me, it's not nearly as bad as it looks.
I had both engines on stands so it was super easy.
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1997 SR5 4x4 Auto, 99' tall coils up front, OME 906's, Truetrac LSD, Airaid MIT
1999 SR5 4x4 Auto for parts
2011 Camry SE V6
2011 Highlander Limited
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04-02-2019, 01:08 PM
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#59
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Senior Member
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Join Date: Mar 2016
Location: West Bend, WI
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Real Name: Mike
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Senior Member
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It will look like this when it's out.
Sent from my SM-N950U using Tapatalk
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1997 SR5 4x4 Auto, 99' tall coils up front, OME 906's, Truetrac LSD, Airaid MIT
1999 SR5 4x4 Auto for parts
2011 Camry SE V6
2011 Highlander Limited
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04-02-2019, 01:14 PM
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#60
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Join Date: Apr 2016
Location: Raleigh, NC
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Member
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Ok thanks, I think I get it now. I've never taken the manifold off so I guess it looks more intimidating than it is.
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'99 5 speed 4x4 V6, OME/5100 lift, 32" Toyo AT3, replaced engine, lots of maintenance and cheap mods
230k miles on body, 143k on engine
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