Timing chain and water pump replacement on a 2.7 engine? - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 26 (permalink) Old 02-22-2009, 10:01 PM Thread Starter
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Timing chain and water pump replacement on a 2.7 engine?

Hello all i have a few questions for ya. Does anyone know how many hours does the mitchell labor guide call for changing the timing chain and water pump on my 1999 intrepid with the 2.7 engine? And are the timing chain and gears on ebay any good? They sell for 119.00. Thanks in advance.
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post #2 of 26 (permalink) Old 02-23-2009, 10:00 AM
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I don't know the answers to your questions, but watch out for the timing chain and water pump compatibility. Chrysler re-designed the chain (link pitch is different), and the new design is not compatible with the older water pump (sprocket) and vice-versa. I replaced my chain, cam sprockets, chain guides, water pump, and oil pump (and valve stem seals) last year, and went with all OEM on the chain and related parts (all available from Chrysler in a kit at some savings) and water pump just to avoid any issues with compatibility on design revisions.
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post #3 of 26 (permalink) Old 02-23-2009, 10:23 AM Thread Starter
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If i may ask what was the price for all that from chrysler? And is that kit have a part number or was it all different part numbers?

Last edited by kcarr65; 02-23-2009 at 10:25 AM. Reason: made mistake
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post #4 of 26 (permalink) Old 02-24-2009, 06:34 AM
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Timing set (timing chain, both cam sprockets, crankshaft sprocket, all chain guides): $152

Water pump: $40.25

Tensioner $100.22

Those prices are from www.mopardiscountparts.com from August '08. Their prices may be even lower now - not sure.

You may want to get valve cover, timing cover, plenum, and front crank seals. Not absolutely necessary, but consider them. Valve stem seals? I also replaced my oil pump since the design had been upgraded (more capacity) since '99 manufacture.

Last edited by peva; 02-24-2009 at 06:37 AM.
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post #5 of 26 (permalink) Old 02-24-2009, 07:37 AM Thread Starter
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Is this everything i need to change the timing chain and gears?
Water pump, all models, 2.7l $81.07

, Chain guide, all models, short, right - 2.7l $12.93

Chain guide, all models, short, left - 2.7l - $11.09

Chain guide, all models, long - 2.7l $17.19

Tensioner, all models, crankshaft to camshaft - 2.7l $101.84

Tensioner, all models, camshaft to camshaft - 2.7l $52.06

Timing chain, all models, crankshaft to camshaft - 2.7l $107.20

Timing chain, all models, camshaft to camshaft - 2.7l $21.57

Timing gear set, all models, camshaft gear, right - 2.7l $27.07

Timing gear set, all models, camshaft gear, left - 2.7l $39.50

Timing gear set, all models, crankshaft gear - 2.7l $15.58
Total: $487.10

Last edited by kcarr65; 02-24-2009 at 07:45 AM. Reason: Mistake
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post #6 of 26 (permalink) Old 02-24-2009, 07:41 AM
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Not 100% sure, but i wanna say the flat-rate on this is 4 hours. My mechanic had my car back on the road in just over an hour. Most of that time was spent idling the car to get the engine back up to temp and make sure the coolant level was correct and w/ no air bubbles.
He made it look so easy.
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post #7 of 26 (permalink) Old 02-24-2009, 07:45 AM Thread Starter
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Who was your mechanic? Did he work at a dodge dealership?

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post #8 of 26 (permalink) Old 02-24-2009, 08:05 AM
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My mechanic is one of my best friends who i went to high school with AND is a tech at a local Dodge dealer. Same dealer i bought the car from, which is nice b/c in the cold winter months they'll let me use an open bay to do an oil change or something else quick.
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post #9 of 26 (permalink) Old 02-24-2009, 12:49 PM
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Quote:
Originally Posted by kcarr65 View Post
Is this everything i need to change the timing chain and gears?
Water pump, all models, 2.7l $81.07

, Chain guide, all models, short, right - 2.7l $12.93

Chain guide, all models, short, left - 2.7l - $11.09

Chain guide, all models, long - 2.7l $17.19

Tensioner, all models, crankshaft to camshaft - 2.7l $101.84

Tensioner, all models, camshaft to camshaft - 2.7l $52.06

Timing chain, all models, crankshaft to camshaft - 2.7l $107.20

Timing chain, all models, camshaft to camshaft - 2.7l $21.57

Timing gear set, all models, camshaft gear, right - 2.7l $27.07

Timing gear set, all models, camshaft gear, left - 2.7l $39.50

Timing gear set, all models, crankshaft gear - 2.7l $15.58
Total: $487.10
(1) They didn't price a pre-bundled kit from Chrysler with the sprockets, chain, and all guides? That might save you some money.
(2) Also like I said, you have to make sure the water pump, chain, and all sprockets are of the same design - they changed the design and one design is totally incompatible with the other.
(3) On the secondary chains and tensioners, make sure that is two each and not one each. If not, then you need to order two each and double the price for those items. There are 4 chain guides, so one has been left out. You can probably get by without changing those anyway. Most people (including myself) were surprised at how little they had worn.

IMO it would be foolish not to replace the front crank seal while you are in there.


'98 LXi - Later Concorde gages (black w/ chrome rings)/'99 LX - LHS gages (white) - HIR bulbs
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post #10 of 26 (permalink) Old 02-24-2009, 08:16 PM
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[QUOTE=RCE2WIN;1438708 My mechanic had my car back on the road in just over an hour. Most of that time was spent idling the car to get the engine back up to temp and make sure the coolant level was correct and w/ no air bubbles.
He made it look so easy.[/QUOTE]

And that was for replacing the water pump, chains and sprockets? Was he a magician?

Wow, I need to get a hold of that guy!
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post #11 of 26 (permalink) Old 02-24-2009, 11:39 PM
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Its pretty crazy watching a tech work. I shadowed one for a school writing assignment. This guy did a 3 hour job of replacing an intake manifold on a Crown Vic in about 45 mins lol.

I think that flat-rate on that job is a bit closer to 5 or 6 hours. Especially if he has to pull both valve covers and the timing cover to look at everything.
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post #12 of 26 (permalink) Old 02-25-2009, 06:28 AM
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BTW - the P/N for the timing chain kit that I mentioned is 68036788AA.
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post #13 of 26 (permalink) Old 02-25-2009, 07:47 AM Thread Starter
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Hey thanks for the part number. I went and searched and i found the parts but it does not show what all you get. Can you tell me what exactly you get with that part number? And do you have the water pump number? Thanks in advance.
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post #14 of 26 (permalink) Old 02-25-2009, 12:40 PM
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Like I said before, that kit includes the chain, the two cam sprockets, the crank sprocket, and all four chain guides. Does *not* include any of the three tensioners.

Water pump to go with that kit: 4892425AA (includes gasket)

Be careful on the water pump - they changed it slightly the way it is gasketed. On the old pump, the gasket includes a thick (like maybe 1/16" thick) piece of metal with rubber edging. I didn't realize that the metal part was a separate piece - it looked to be a machined detail part of the engine block and not a separate piece of metal - I thought the rubber was the complete gasket (it had all but rotted away). Anyway - things didn't fit right when I went to bolt on the timing cover - it permanently bulged/warped the cover (I tightened the bolts before I realized there was a problem) - actually ruined it because the water pump was sticking out an extra 1/16" (and the water pump contains some of the machined surfaces that the cover bolts to), so I had to replace the cover - due to the new gasket and pump being installed over top of the metal part of the old gasket.

Because of the way the cover got bulged, I figured there was something I had not done right with the gasket - it was obvious the new gasket was of a totally new design - was actualy much thinner than the old gasket and the pump was actually thicker by the exact difference in the thickness of the two gaskets. So I started focusing on the old gasket that I had thought was part of the block, and finally found an edge to lightly pry up on with a blade, and it finally popped loose - mystery solved.

I put the new gasket and pump back on and buttoned it up (with new cover - actually with original cover because the one I ruined was a brand new one that I had planned on installing from the beginning - it's lucky I had ordered it so I at least had a working one to use even if it was the old one that was in good shape).

Sorry for the long story, but it might save you or someone else some headaches and delays.

Also - you will need a small but sturdy puller to get that crank sprocket off. Make sure the new sprocket goes all the way on against the step diameter of the crank - the FSM gives a distance to measure from end of crank to that sprocket as a double check - don't overlook that step. The first time, that sprocket felt solid before it was all the way home - fortunately I measured and determined the problem before creating another catastrophe.

Pick up a couple of bolts with the crank thread to use for that puller to push against (and to start pulling the damper pulley back on) - you don't want to mess up the internal threads of the crank. M14x2.0 - might have to shop around for those. Something in the 70 to 100 mm length range should work for starting to pull the damper pulley back on. Maybe a shorter one (30-40 mm) for the puller to push against.


'98 LXi - Later Concorde gages (black w/ chrome rings)/'99 LX - LHS gages (white) - HIR bulbs

Last edited by peva; 02-25-2009 at 01:12 PM.
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post #15 of 26 (permalink) Old 02-25-2009, 01:50 PM
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Quote:
Originally Posted by kcarr65 View Post
Is this everything i need to change the timing chain and gears?
Water pump, all models, 2.7l $81.07

, Chain guide, all models, short, right - 2.7l $12.93

Chain guide, all models, short, left - 2.7l - $11.09

Chain guide, all models, long - 2.7l $17.19

Tensioner, all models, crankshaft to camshaft - 2.7l $101.84

Tensioner, all models, camshaft to camshaft - 2.7l $52.06

Timing chain, all models, crankshaft to camshaft - 2.7l $107.20

Timing chain, all models, camshaft to camshaft - 2.7l $21.57

Timing gear set, all models, camshaft gear, right - 2.7l $27.07

Timing gear set, all models, camshaft gear, left - 2.7l $39.50

Timing gear set, all models, crankshaft gear - 2.7l $15.58
Total: $487.10
I've got some cam chains and a timing chain guide if you want them. They aren't mopar, but just pay shipping and they are yours.



Might as well do the valve stem seals and the oil pump while your in there. I did a write up on all this here.

http://www.dodgeintrepid.net/forums/t61664/

Also, check availablitilty on tool rentals at your local autozone. If they dont have something you need to do the job, I've got the tools for sale here:

http://www.dodgeintrepid.net/forums/...ghlight=timing
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