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spra coupe 3630 problems
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ltcase
Posted 7/6/2011 21:05 (#1851546)
Subject: spra coupe 3630 problems


NW Ohio
Ok, I've read a lot of blogs about the Peugeot motor in the 34/3630's. This spring we had some major overheating. We didn't think the radiator was all that bad, because we ran some water through it. By the way it built up pressure so fast, we thought we had a head gasket problem, so we replaced that and also had the head and valves redone. We're getting the radiator looked at as I type, so hopefully that will overcome that problem. Other problem is that we think we may have gotten out of time just a little. A lot of blue smoke with a little black mixed in also. We had black smoke before the head gasket replacement, but now a lot of blue smoke. It still runs about 3200 rpm, but no power. We did mark the valves, but not the injector pump, but we didn't move the motor. Timing belt looks good btw. Could it be the turbo? I did some checking and it's a Garret turbo. We've put a lot of replacements on the coupe, so it's basically new except for the engine. I see a lot of posts about a cummins, which costs 12,000. Still a lot cheaper than a newer 44/4640 for about 40,000. We've got 75' booms too which is nice. Still like to keep the Peugeot running for awhile, esp since we put money in the head.
Any help? I see that some suggest a "special" tool to time, but why can't you turn the injector just a little without turning anything else?

Thanks
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BHTN
Posted 7/6/2011 21:22 (#1851586 - in reply to #1851546)
Subject: RE: spra coupe 3630 problems



West Tennessee
Have you checked to make sure your wastegate on the turbo is free and working? We've had it stick and loose turbo pressure that way. NOOOO power when turbo pressure is lost. Don't let that overheating be a bigger problem. Cost me a bunch of money about 2 years ago when it got hot one day. You do know that there is a schedule that the harmonic balancer is supposed to be replaced on right? Like less than 1,000hrs I think.
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W4AU
Posted 7/6/2011 23:11 (#1851888 - in reply to #1851546)
Subject: RE: spra coupe 3630 problems


So. Al.
This may help some. A pin is inserted in a hole behind the starter,rotate engine until the flywheel starts to push the pin back out of the hole. As the engine reaches TDC. As you push on the pin and rotate it will go in a hole on the flywheel. This is TDC. A bolt can be screwed in the injection pump gear and in the camshaft gear. This allows you to change your timing belt and harmonic balancer which are a must for these engines. If you move the timing on this engine it will run hot or have no power. On the injection pump there is a tag that tells you the timing set,should be around 6.00. What ever it is you can set it 10 to 15 points higher,6.00 to6.15. It will increase your power but keeps your engine temp. Down. The most common cause of engine problems with this engine is the balancer and timing belt failure so best keep in good shape. The injection pump has to be set with a dial indicator and a plunger pin. Your local injection shop should have these tools. Email me if you more info.
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