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Dodge Dakota Engine and Underhood Questions

301 messages,  Last post on Sep 21, 2008 at 6:43 PM

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#264 of 301 Re: Engine Failure on 2001 4.7 [fourdogs65] by jebsdaddy Apr 17, 2008 (7:09 pm)
Replying to: fourdogs65 (Apr 14, 2008 10:04 pm) I have a 2001 dodge dakota with the 4.7 with 204,000 miles and counting. I change the oil every 5000 miles with no oil added between changes. I would rebuild the engine if you choose since it has been proven because 170,000 is not too shabby. I usually take "sage" advice from others like your mechanic friend with a grain of salt.   Robert
#265 of 301 Re: Engine Failure on 2001 4.7 [fourdogs65] by dustyk Apr 19, 2008 (8:04 am)
Replying to: fourdogs65 (Apr 14, 2008 10:04 pm) You can tell your "mechanic" that he's full of you know what! I will bet he is a just another Dodge hater. The 4.7 IS NOT prone to failure. Just the opposite, in fact, it is one of the best designed if not the best designed and built American engine on the planet.   The gray sludge, by the way, is likely material from the camshaft chain tensioners wearing badly. What kind of oil have you been using?   Regards, Dusty Replies to this message: bpeebles (Apr 20, 2008 7:12 pm)
#266 of 301 Re: Engine Failure on 2001 4.7 [dustyk] by bpeebles Apr 20, 2008 (7:12 pm)
Replying to: dustyk (Apr 19, 2008 8:04 am) I concour with dustyk!   The 4.7L semi-hemi actually WON AWARDS when it was first introduced. It is overbuilt even for a truck engine. (Nodular iron bedplate usually found on hi-tech racing engines!!)   Everywhere one looks at the 4.7L, there are surprises in the design. From the close factory toleraces to the extra-high piston-ring pressures. The hollow camshafts which deliver oil directly where it is needed. This engine is designed for the long-haul.   Of course, some folks ignore the recommended oil specs which are there for a reason.   BTW: I changed the oil in my 2000 4.7 thisafternoon! (I am still running synthetic oil due to the emulsion issue.)
#267 of 301 Re: 1997 dodge dakota 3.9 v6 2x4 [steve174] by prodiesel Apr 22, 2008 (8:01 pm)
Replying to: steve174 (Mar 25, 2008 3:50 pm) Hi, This is cory. I have a dodge full size truck doing the same thing. Just wondering if you figured out what was wrong with your dakota?
#268 of 301 91 3.9L engine swap out. by bryanaj Apr 29, 2008 (7:08 pm)
just switched out my high mile engine with same yr.1991 engine 3.9L,the motor ran excellent prior to installing, now engine expands oil filter and it leaks around the seal on the oil filter. Is there an oil pump regulator in the engine? HELP!!!!   Replies to this message: bryanaj (Apr 29, 2008 7:10 pm)
#269 of 301 Re: 91 3.9L engine swap out. [bryanaj] by bryanaj Apr 29, 2008 (7:10 pm)
Replying to: bryanaj (Apr 29, 2008 7:08 pm) I haven't figured it out yet, and it's driving me crazy! The engine was running fine when we pulled it out of the old truck. I'd be good to go if I could fix this problem!
#270 of 301 Re: Cold Start High Idle [moquelvog] by syn5 May 12, 2008 (5:37 pm)
Replying to: moquelvog (Mar 31, 2008 4:51 pm) My 99 Dakota does the same thing. My mechanic found that it is the IAC Motor. I decided not to replace as it only acts up on cold mornings and resets itself with a second start.
#271 of 301 Pistons by fireman725 May 26, 2008 (5:22 pm)
I am rebuilding the engine of my 2001 3.9 liter dodge dakota. I have to replace 3 pistons and connecting rods, this will make me have 3 old pistons and 3 new pistons. Will this matter in the performance of the engine when we I start running it again? I'd rather not spend the money to buy all 6 new ones but would it be worth spending the extra money replacing all of them or no?
#272 of 301 Melted EGR Valve and power loss by nanell May 29, 2008 (8:25 pm)
To start out I have a 1994 dodge dakota V8 5.2 liter automatic. ABout a month ago I started to loose power and it would die on me. So I replace the EGR Valve as suggested by people on forum.   But today while driving, the truck sounded as if it was not in gear and then would not accelerate well no matter how much I pushed down on the gas. Then it sounded as if there was air coming out of a hose. When I pulled over and took a look it smelled like melting plastic. The plastic part of the EGR valve was melted. So I replaced the EGR valve again.   And after a few blocks it sounded as if the valve blew again. ANd sure enough the valve looks as if the very center of the plastic piece is melted or blew straight down the center of it.   Any help or suggestion of what I can do would be really great. Replies to this message: nanell (Jun 03, 2008 3:28 pm)
#273 of 301 Re: Stalls after warmed up [ragtacker] by nanell May 29, 2008 (9:53 pm)
Replying to: ragtacker (Jan 31, 2007 6:55 am) This might be a bit late but have you checked the EGR valve? It is not the cheapest part (about $100) but is very easy to replace. Let us know what you figure out.

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