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tornik550 |
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#21
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Senior Member ![]() ![]() ![]() Group: Members Posts: 1,248 Joined: 29-January 07 From: Ohio Member No.: 7,486 Region Association: None ![]() |
Argh- I rebuilt a 2.7l this winter. Everything went very well with no obvious problems. I installed my engine, hooked up all the hoses, filled with oil and hooked up the starter. I had problems with the starter wiring however I finally got them resolved. I was getting 12.6v at the starter. I cranked the starter and the engine turned a couple of times then stopped. When I would crank the starter again, it would just sound like a starter with too low of voltage- the solenoid would shoot out but the starter wouldn't turn. I checked voltage and it was 12.5v. If I look at the fan blade when I crank the starter, I do not see it move even slightly.
What are my options of what could be wrong? I see it as a starter problem or the engine is somehow seized. I do not have the axels hooked up so I cannot see if the engine turns by pushing the car in gear. I have a small window cut in the firewall so I wiggled a 19mm box wrench onto the timing pulley nut. I tried to see if I could turn the engine even slightly and I could not. I couldn't put much force into it however I would have thought it would have moved to some extent. I think I will remove the starter and see if it cranks off of the car. If it functions properly, how can I check to see if the engine is seized without installing the axles. Is there anything common that could cause this issue? I would really prefer not to remove the engine. I am getting somewhat sick of working on it. Any ideas? |
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tornik550 |
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#22
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Senior Member ![]() ![]() ![]() Group: Members Posts: 1,248 Joined: 29-January 07 From: Ohio Member No.: 7,486 Region Association: None ![]() |
I was planning on rebuilding the engine again this next winter so if smoke comes out the back, I wouldn't mind too much.
What is the purpose of doing a leak down test vs. a compression test in this situation? I have both tools so it doesn't matter, just curious. If I had a bent valve, then it seems like I wouldn't get any compression from the valve not sealing on the seat? I can clearly see the cylinder wall and piston crown and they generally look fine. I am sure that if there is damage, it would be a valve or the compression chamber. |
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