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99 Park Ave wont crank over all the way
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Anonymous Poster
muddpatrol@gmail.com
Jul 1, 2009, 7:22 AM
Post #1 of 19
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99 Park Ave wont crank over all the way
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Hey everybody i just wanna say thanks in advance any help is appreciated!! i got a 99' Buick Park Avenue 3.8L V-6 non supercharged auto. 115k miles
i was driving down the road, accelerated to overtake a semi truck, passed him and the car started to "studder" like if your fuel pump or transmission were going out is what it felt like, did this for 1 mile, then the rpms started to drop and my chech engine light started flashing, about 10-15 seconds later she died, tried to start it cranked for 10 secs wouldnt start, tried again after 30 secs to cool the starter and something gave and the starter would spin but not engage flywheel...great i was thinking head gasket, checked oil but no coolant. neighbor pulled me home, checked the code, there was 2 codes, it said "multiple cylinder miss-fire" on both codes, regardless i needed to fix the starter so i pulled it out, flywheel looks fine, brought battery in as well, battery checked out ok but starter was junk. put new one in tested it before i left the store, it will engage (audible click, followed by humm like starter is trying to turn it over) checked battery cables, they looked good connections look good, the battery is a 1 year old interstate, i put a socket on the pulley and was able to turn the motor easily by hand, took the new starter in to be tested, once again it was fine, bolted it up but not all the way and the starter spun, but then bolted it in all the way and it just wont crank it over but you can hear it trying, no click click click like if the battery was low, tried with jumper cables also but same click followed by humm.... someone told me the catalytic converter may be clogged, so i un-bolted the exhaust right before the cat. but same story again. i also hear the upper n lower intake gaskets go out often, could coolant get into the cylinder from an intake gasket?? what should i do please help! thanks a million!!!!!!
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Hammer Time
Ultimate Carjunky
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Jul 1, 2009, 9:07 AM
Post #2 of 19
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Re: 99 Park Ave wont crank over all the way
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What you need to do is remove all the spark plugs and then crank the engine over. If coolant spits out of any of the cylinders, your going to have to remove the intake manifold. this engine has a know problem with the plastic intake manifold deteriorating and leaking coolant into the valley. It doesn't get into the oil but once the level rises above a certain point, it starts drawing it into the intake. Your engine may be hydrolocked with a cylinder full of coolant. If this turns out to be the case, you will have to replace the intake manifold. There a couple of companies that make an aftermarket manifold that is much cheaper than the dealer.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Loren Champlain Sr
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Jul 1, 2009, 11:10 AM
Post #3 of 19
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Re: 99 Park Ave wont crank over all the way
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You mentioned that you turned the engine over 'easily' by hand. Just how easily? May want to check compression. Could have 'puked' a timing chain? Use your ratchet and socket again on the crank pulley bolt. Move it one direction gently until you feel resistance, then the opposite way until you feel resistance. If more than 6 degrees movement, that's not good.
Loren
SW Washington
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Hammer Time
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Jul 1, 2009, 11:22 AM
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Re: 99 Park Ave wont crank over all the way
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Anonymous Poster
Jul 2, 2009, 12:42 AM
Post #5 of 19
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Re: 99 Park Ave wont crank over all the way
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thanks a million guys! when i go home tonight im gonna pull the plugs and maybe ill be pumpin some fluid out of there.... oh and when i turned the motor by hand it wasnt like super easy but i could do it with a 1/2 ratchet wrench there was definatively some friction but i could do it by hand and timing chain seems to be intact knock on wood...just hopefully i didnt bend my valves or something....where would you recommend looking for an intake manifold? i tried car-part.com but i dont know if im willing to dump money into a manifold that could be junk!
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Hammer Time
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Jul 2, 2009, 1:20 AM
Post #6 of 19
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Re: 99 Park Ave wont crank over all the way
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Dormon makes a replacement manifold for under $200 and most auto parts stores carry it but don't assume anything unless you find coolant in the cylinders.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Jul 2, 2009, 1:20 AM)
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Anonymous Poster
Jul 2, 2009, 2:24 AM
Post #7 of 19
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Re: 99 Park Ave wont crank over all the way
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i found one on partspros.com i think its a dormon for $130! but yea im definatively with you im gonna go home n pull the plugs first. so its just the upper plenum that has problems and should i do the lower intake gasket as well if it is indeed a coolant leak into the cylinders
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Hammer Time
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Jul 2, 2009, 2:32 AM
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Re: 99 Park Ave wont crank over all the way
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No, not unless you specifically see coolant leaking from that area. The problems are with the upper manifold. They have very few problems with the lower.
If we are correct, you will see a lake when you pull the upper manifold off. You can start out just checking to see if you have lost any coolant. If none is missing, the problem is unlikely.
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Anonymous Poster
Jul 2, 2009, 2:57 AM
Post #9 of 19
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Re: 99 Park Ave wont crank over all the way
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coolant was low in the radiator, pulled the plugs and sure enough coolant started sprayin out when i cranked it... doesnt sound rough though so i have hope for her! so i guess next step is to pull the upper manifold?
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Hammer Time
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Jul 2, 2009, 2:58 AM
Post #10 of 19
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Re: 99 Park Ave wont crank over all the way
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Yep, it will be obvious when you get the upper intake off.
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Anonymous Poster
Jul 2, 2009, 2:59 AM
Post #11 of 19
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Re: 99 Park Ave wont crank over all the way
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also there is a little condensation around the lower intake gasket, its not leaking but there is definatively condensation around it
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Hammer Time
Ultimate Carjunky
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Jul 2, 2009, 3:01 AM
Post #12 of 19
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Re: 99 Park Ave wont crank over all the way
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It depends what you find when you pull the upper off. If the valley is full of coolant, I wouldn't be too concerned with the lower. That's a LOT more work and likely not leaking much if any.
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Anonymous Poster
Jul 2, 2009, 3:10 AM
Post #13 of 19
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Re: 99 Park Ave wont crank over all the way
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sounds good ill report back when i get the intake off that will probably be monday, im going to redneck yacht club in Punta Gorda, FL this weekend with my 4 wheeler! and thank you so much!!! it really helped me out im not too bad with cars, im no mechanic thats for sure but i can do light duty maintenance no problems, i was just getting so frustrated with my car i had to walk off for a sec and see what other people had to say! you in south FL? im in central i moved here from MN 1 1/2 ago and i love it, if your ever in Polk county ill buy you some beer for the advice! thanks again
Fred
Lakeland, FL
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Hammer Time
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Jul 2, 2009, 3:17 AM
Post #14 of 19
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Re: 99 Park Ave wont crank over all the way
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Yes, I live in Boynton Beach and I have a shop on Singer Island
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Anonymous Poster
Jul 2, 2009, 3:26 AM
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Re: 99 Park Ave wont crank over all the way
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cool i cant beleive you own a shop, yet your on here telling people how to fix their stuff! whats the name of your shop? i will definatively refer my mom to you (dont worry, she drive's GM's) lol its just that they seem a lot easier to work on (most of the time)
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Anonymous Poster
Jul 2, 2009, 4:02 AM
Post #16 of 19
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Re: 99 Park Ave wont crank over all the way
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nice shop! i ussually work on her car, but boynton beach is kinda far from me so ill definatively tell her to go to you
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Hammer Time
Ultimate Carjunky
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Jul 2, 2009, 4:28 AM
Post #17 of 19
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Re: 99 Park Ave wont crank over all the way
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I live in Boynton but the shop is 20 miles North on Singer Island, right on the beach.
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Loren Champlain Sr
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Jul 2, 2009, 12:21 PM
Post #18 of 19
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Re: 99 Park Ave wont crank over all the way
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HT; Nice looking shop! Right on the beach? Jerk! I'm green with envy. LOL. NW coastlines aren't too 'friendly'. Just a bit on the COLD side.
Loren
SW Washington
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Hammer Time
Ultimate Carjunky
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Jul 2, 2009, 12:24 PM
Post #19 of 19
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Those Condos you see in the background are Oceanfront. My shop is butted up against the public beach parking lot.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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