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Author Topic:   Timing Belt Discussion - Reader Feedback Request
phil2237


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posted 01-03-2017 04:11 PM     Click Here to See the Profile for phil2237     send a private message to phil2237   Edit/Delete Message   Reply w/Quote   Search for more posts by phil2237
quote:
Originally posted by phil2237:
I sent you my address by PM, Please mark the belt if possible with the mileage so we can get an exact idea as to their life span. As soon as I receive the belts, I will test them the same day and post it here. I am very curious myself. As per the A/C belt, the old one broke at 195 pounds of pressure and the new one DID NOT BREAK all the way up to 300 pounds. The A/C belt was 7 years 8 months old and still looked to be in very good condition. Just for every ones information, The new Timing belt tested was a NEW Goodyear belt


RPL




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posted 01-03-2017 05:36 PM     Click Here to See the Profile for RPL     send a private message to RPL   Edit/Delete Message   Reply w/Quote   Search for more posts by RPL
Two belts along with vehicle data that I was provided headed your way tomorrow with two day delivery. Thanks for testing them. Visually both are in good shape.
Landscape Doctor



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posted 01-03-2017 10:07 PM     Click Here to See the Profile for Landscape Doctor     send a private message to Landscape Doctor   Edit/Delete Message   Reply w/Quote   Search for more posts by Landscape Doctor
Thanks Phil.
padroo



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posted 01-03-2017 11:28 PM     Click Here to See the Profile for padroo     send a private message to padroo   Edit/Delete Message   Reply w/Quote   Search for more posts by padroo
The only way I could think of checking if a timing belt was changed would be by removing one of the cam covers and checking the manufacturer to see if it was an OEM belt or not.
If an OEM belt was used you are back to square one. Lol
quincy



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posted 01-05-2017 03:03 PM     Click Here to See the Profile for quincy     send a private message to quincy   Edit/Delete Message   Reply w/Quote   Search for more posts by quincy
OK! Very good team work! Sounds like we will have a few more data points in a week or so. A burst test would be a fair indicator of a belt needing replacement, although it is a destructive test. Belts and chains suffer from chordal action (google it) which is a high frequency vibration. Over time this vibration could cause the belt to burst. I'm not sure why the Honda belt I looked at was missing teeth and not burst itself.....not smart enough to know.
phil2237


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posted 01-10-2017 03:35 PM     Click Here to See the Profile for phil2237     send a private message to phil2237   Edit/Delete Message   Reply w/Quote   Search for more posts by phil2237
Bob (RPL) has sent me 2 timing belts, One is a belt off a Prowler from TEXAS with 56,900 miles It is a factory Mopar belt
The belt measured 6 MM longer than a NEW Mopar belt so it had stretched that far since new. This belt seemed EXTREMELY dried out compared to MY old belt.
I put it on our tester and at 84 pounds, you could hear the belt starting to tear and splinter. At 112 pounds the belt snapped.

When I measured MY OWN Mopar timing belt before testing it, It was 2mm longer than the NEW Mopar belt , so it had stretched 2mm in 19,200 miles. My own belt snapped at 78 pounds with no warning of splinter before snapping

The next belt was off a 2001 Intrepid from Illinois
This belt also looked VERY DRIED out. I did not check the measurements before testing as this belt WAS NOT A FACTORY MOPAR belt. The only marking on this belt are the letters (TB) I do not know or ever heard of this brand
After putting this belt on our tester, I was able to pin the pressure gauge well above the 300 pound mark with NO SIGN OF FAILURE.
After the test, I did check this belt only to discover that it was made in Germany and not the U.S.
I also was told by the Goodyear Rep, The average pressure with the engine at idle will be around 45 pounds of pressure against the belt, & that under HARD acceleration, that these timing belts can exceed over 200 pounds of pressure trying to keep the valves timed perfectly with the crankshaft.

Just my opinion.....If you haven't replaced your timing belt yet after all these years, I would seriously consider doing it now before it causes any damage, regardless of any low mileage Prowlers out there. I also was very impressed by the belt made in Germany as it most likely would have lasted many more miles without failing. Just a point to keep in mind...These belts do stretch over time, & depending where you live, temperature & humidity does effect the life of belts. Many Prowlers are still running around with the original water pump and belts, but after 15 to 20 years old, now would be a good time to do the replacement.


If anyone wants their belt tested, just PM me for my address and I would be happy to test it for you

RPL




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posted 01-10-2017 04:27 PM     Click Here to See the Profile for RPL     send a private message to RPL   Edit/Delete Message   Reply w/Quote   Search for more posts by RPL
Phil, Thank you for testing the belts and providing the data. I really appreciate the facts.
ed monahan





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posted 01-10-2017 07:05 PM     Click Here to See the Profile for ed monahan     send a private message to ed monahan   Edit/Delete Message   Reply w/Quote   Search for more posts by ed monahan
Thanks Phil
quincy



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posted 01-11-2017 01:11 PM     Click Here to See the Profile for quincy     send a private message to quincy   Edit/Delete Message   Reply w/Quote   Search for more posts by quincy
OK Phil! Excellent work! The belt from Illinois was off a friends engine.... his second belt, and he performed the R&R. I'll let him know how good his after market German belt held up. It is great to know the belt loading details from your contact at Goodyear. This is "tribal knowledge" and is hard to come by. Thank you!

After performing these tests I would definitely concur with your final comments. Based on these test findings I'm in line for a timing belt R&R this spring. If you get a chance ask the Goodyear rep if he knows what the 'start up' force on the timing belts happens to be. It is additive to the duty cycle fatigue curve we are creating here. Very nice work!

mslc10



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posted 01-25-2017 05:58 PM     Click Here to See the Profile for mslc10     send a private message to mslc10   Edit/Delete Message   Reply w/Quote   Search for more posts by mslc10
I would be very interested in the German belt..... Any further research on where it was purchased etc would be good.

Anecdotal to be sure but my tundra hated ( squealed) every accessory drive belt I put on except the 140,000 mile original and a Goodyear gatorback. I went thru 5 others including gates ,Napa gold until I put the gatorback on. So forgive me if I'm not too enthusiastic about aftermarket belts.

robin


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posted 01-25-2017 06:24 PM     Click Here to See the Profile for robin     send a private message to robin   Edit/Delete Message   Reply w/Quote   Search for more posts by robin
german belt with marking (TB ) I think would stand for timing belt.
Can you look with a bright light and a magnifying glass for a part number.

http://www.breco.de/en/produkte

Or

http://www.bodebelting.com/AtlatosZahnriemen/ATLATOSDerZahnriemen/index.html

This message has been edited by robin on 01-25-2017 at 06:30 PM

phil2237


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posted 01-25-2017 07:20 PM     Click Here to See the Profile for phil2237     send a private message to phil2237   Edit/Delete Message   Reply w/Quote   Search for more posts by phil2237
quote:
Originally posted by robin:
german belt with marking (TB ) I think would stand for timing belt.
Can you look with a bright light and a magnifying glass for a part number.

http://www.breco.de/en/produkte

Or

http://www.bodebelting.com/AtlatosZahnriemen/ATLATOSDerZahnriemen/index.html



Not able to read any numbers off the belt as that area is very worn, I don't think it would do us any good to know the number as the belt seemed to be a half inch longer than the Prowler belt and was from a smaller Chrysler engine. I remember when I had our Mercedes, the belts seemed to last a lot longer than normal American belts. I guess the Germans make a better product than the American manufactures. Our Goodyear rep told me today that almost every timing belt that breaks, is when starting up your car, and especially when the car is in a very cold climate. He claimed he had not heard of one breaking while under normal driving but at start up is when the belt is at its highest tension especially once the engine starts to fire up. He did not know what the pressure would be at start up though. But he did ad that cars that are in colder climates, The timing belt seems to fail sooner than warmer areas of the U.S. He also told me car manufactures tell you to replace at certain time and mileage, while they know that the belt will last longer , but cover their liability by telling you to replace them sooner. Our cars are now approaching 15 to 20 years old now. Even though some of you may have low mileage, climate will take its toll on belts. So although this is just my opinion, Replace the belt as soon as you can, After 15 to 20 years, we have all got our moneys worth out of them. I would also recommend buying the MOPAR belt, water pump, & tensioner instead of other brands, again, JMO Factory and dealer belts, tensioners and water pumps, seem to last longer than all the after market ones. He also advised those with rubber timing belts and high mileage engines with the metal timing chains that live in cold climates to use synthetic oil, as synthetic oil does not thicken in cold climates and will put a lot less pressure on the belts and also the starter. I hope this helps everyone.

This message has been edited by phil2237 on 01-25-2017 at 07:31 PM

mslc10



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posted 01-25-2017 08:16 PM     Click Here to See the Profile for mslc10     send a private message to mslc10   Edit/Delete Message   Reply w/Quote   Search for more posts by mslc10
As I surf for German belts I keep running across neoprene and polyurethane belts.


Came across this that clearly states "made in Germany"
http://aam-europe.contitech.de/pages/downloads/docs/Riemen_Komponenten_Programm_en.pdf

This message has been edited by mslc10 on 01-25-2017 at 08:30 PM

mslc10



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posted 01-25-2017 08:52 PM     Click Here to See the Profile for mslc10     send a private message to mslc10   Edit/Delete Message   Reply w/Quote   Search for more posts by mslc10
For those interested:
http://www.carid.com/continental-contitech/contitech-pro-series-plus-tim ing-belt-kit-mpn-pp295lk1.html

Altho there is discrepancy on it fitting prowler 3.5.....

This message has been edited by mslc10 on 01-25-2017 at 09:29 PM

padroo



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posted 01-26-2017 07:20 AM     Click Here to See the Profile for padroo     send a private message to padroo   Edit/Delete Message   Reply w/Quote   Search for more posts by padroo
My guess is that one of the major manufacturers of timing belts made the OEM belts for Chrysler.
quincy



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posted 01-29-2017 12:12 PM     Click Here to See the Profile for quincy     send a private message to quincy   Edit/Delete Message   Reply w/Quote   Search for more posts by quincy
Talked to my friend in Chicago. He sold his Intrepid and purged his files of all the maintenance records. No further information available on the German belt, which was not the OEM factory belt. It was the second belt installed and he sold the vehicle when he installed the third belt.
mslc10



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posted 01-30-2017 07:35 PM     Click Here to See the Profile for mslc10     send a private message to mslc10   Edit/Delete Message   Reply w/Quote   Search for more posts by mslc10
Continental makes a belt in Germany .here is their reply:


Mark
According to our online catalogue, we can recommend our timing belt TB295 for replacement for your vehicle, but not the pulley, water pump or tensioner within the kit you mentioned.
In fact, we list no timing kits for this vehicle, which indicates that the components with the belt in our kit are not recommended.

Thanks for your inquiry!

Bob Trevor
Manager, Sales Operations

Tomcal


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posted 01-31-2017 09:39 PM     Click Here to See the Profile for Tomcal     send a private message to Tomcal   Edit/Delete Message   Reply w/Quote   Search for more posts by Tomcal

Why limit search to "Prowler" Timing Belt Kit? Most people don't know what a Prowler is.

Sometimes better way is to search for Chrysler/Dodge/Plymouth 3.5L engine parts.

I've research many parts houses using Dodge Intrepid and Chrysler LHS. It's mostly all the same engine guts for each year.

Went to Continental website. Contitech Pro Series Timing Belt Kits for a 2000 3.5L LHS, Intrepid and Concorde. Guess what, all the same part numbers. Sure they don't list Prowler kits, but Timing Belt is same part number for Prowler, LHS, Intrepid and Concord 3.5L engines.

Me thinks LHS, Intrepid and Concord kits would work just fine.

Note that Contitech belts are glass fiber reinforced and require special care in handling. Per their instructions, No tight radius bending or you'll crack glass fibers.

Addition note: I did not search for earlier non-interference engines.

Prowlers have many generic Chrysler/DC/FCA parts.

kriegsadmiral

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posted 02-03-2017 10:37 AM     Click Here to See the Profile for kriegsadmiral     send a private message to kriegsadmiral   Edit/Delete Message   Reply w/Quote   Search for more posts by kriegsadmiral
Well after reading all this back and forth I decided to do a complete PM. Last year was the corvette work so I guess it is time for another Prowler expenditure. (two years ago it was all fluids). All parts on order through the dealer and will do timing belt, water pump and all tensioners. Also while raditator is flushed going to install all my new RPL radiator and heater hoses since those are also all 18 years old. (will keep the originals for emergency repairs). Knock on wood that should keep me driving for a few good years without any more $$ out the door.
kriegsadmiral

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posted 02-16-2017 04:03 PM     Click Here to See the Profile for kriegsadmiral     send a private message to kriegsadmiral   Edit/Delete Message   Reply w/Quote   Search for more posts by kriegsadmiral
OK, just picked up the car and the Timing Belt, Water Pump, tensioner and guides were replaced. While everything was drained I thought it might be a good time to get rid of those 18 year old hoses so I had them install the RPL Radiator and Heater Hoses that were on my shelf. Took a big chunk out of my wallet but should be good to go for a while (knock on wood)

Dealer comments to me were The Old Timing Belt was dry and starting to crack but was not frayed. Also said that about 2 of the hoses (didn't ask which ones) were not bent 100% to originals so it took the mechanic some work (probably elbow grease) but he got them all to work as required. Also did a safety check and told me that despite 21,500 miles the brakes are in "like new" condition, which was good to know.

Just passing along the timing belt info as this is always a point of discussion. Nice to get work done in February due to very mild and dry weather this winter so I am not waiting for an appointment in the Spring.

Happy Prowlin

quincy



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posted 02-18-2017 03:22 PM     Click Here to See the Profile for quincy     send a private message to quincy   Edit/Delete Message   Reply w/Quote   Search for more posts by quincy
It would be nice if you could send your old timing belt to phil2237 so he can perform a burst test on it. The more tests we can perform the more believable the statistical data becomes. I will send mine in as soon as the repair is completed in the spring. Thanks for posting!!

quote:
Originally posted by kriegsadmiral:
OK, just picked up the car and the Timing Belt, Water Pump, tensioner and guides were replaced. While everything was drained I thought it might be a good time to get rid of those 18 year old hoses so I had them install the RPL Radiator and Heater Hoses that were on my shelf. Took a big chunk out of my wallet but should be good to go for a while (knock on wood)

Dealer comments to me were The Old Timing Belt was dry and starting to crack but was not frayed. Also said that about 2 of the hoses (didn't ask which ones) were not bent 100% to originals so it took the mechanic some work (probably elbow grease) but he got them all to work as required. Also did a safety check and told me that despite 21,500 miles the brakes are in "like new" condition, which was good to know.

Just passing along the timing belt info as this is always a point of discussion. Nice to get work done in February due to very mild and dry weather this winter so I am not waiting for an appointment in the Spring.

Happy Prowlin


kriegsadmiral

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posted 02-18-2017 05:34 PM     Click Here to See the Profile for kriegsadmiral     send a private message to kriegsadmiral   Edit/Delete Message   Reply w/Quote   Search for more posts by kriegsadmiral
quote:
Originally posted by quincy:
It would be nice if you could send your old timing belt to phil2237 so he can perform a burst test on it. The more tests we can perform the more believable the statistical data becomes. I will send mine in as soon as the repair is completed in the spring. Thanks for posting!!



I was going to ask for it but decided to just get a description on the condition. Obviously it needed to be replaced. I was skeptical of a belt that is enclosed suffering the same abuse but am glad I changed it nonetheless. I consider it a sleep well repair.
Tomcal


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posted 02-21-2017 11:37 AM     Click Here to See the Profile for Tomcal     send a private message to Tomcal   Edit/Delete Message   Reply w/Quote   Search for more posts by Tomcal

Caution on Gates Timing Belt Kits. This was on a Subaru, but maybe common on other Gates Kits. Buyer Beware.
http://youtu.be/7qYmNXOhn_o?t=180
mslc10



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posted 02-24-2017 07:50 PM     Click Here to See the Profile for mslc10     send a private message to mslc10   Edit/Delete Message   Reply w/Quote   Search for more posts by mslc10
Can anyone explain the harmonic balancer re-install? Special tool needed?

This message has been edited by mslc10 on 02-24-2017 at 07:52 PM

padroo



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posted 02-24-2017 10:35 PM     Click Here to See the Profile for padroo     send a private message to padroo   Edit/Delete Message   Reply w/Quote   Search for more posts by padroo
quote:
Originally posted by mslc10:
Can anyone explain the harmonic balancer re-install? Special tool needed?

When you go to reinstall the harmonic balancer the first thing you will notice is there is no keyway. Then you find out that the bolt that holds it on is too short to even start threading and to try to pull it on with the bolt. I will look and see if I can find my old post of a home made tool I made to pull it back on the end of the crank shaft. You need a piece of metric all thread to make my tool. It is important to use all the threads in the crankshaft so you don't damage them.

Here is the link.
http://www.prowleronline.com/ubb/Forum2/HTML/004444-2.html

This message has been edited by padroo on 02-24-2017 at 11:06 PM


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