Question about 1993 BMW 3 Series

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Bmw e36 i need to replace the idler pulley on an e36 bmw. but have been told that the part i have is an old part which was installed correctly during production. most cars were fitted with new ones. any ideas where i can get this old part from?

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I've been buying parts for my E36 on this site and have had no issues. Here's the link to the pulley you need:
http://www.pelicanparts.com/bmw/catalog/shopcart/BE36/POR_BE36_ENGman_pg7.htm#item36

Posted on Jul 25, 2008

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Jan 27, 2016 | Toyota Cars & Trucks

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I need the timing marks for belt replacement on the 1.6L SOHC 1990 Geo Prizm


1.6 engine, timing belt. 4A not 4AF. F = twin cam.
V.I.N. code 6 not 5, the 5is twin cam 4AFE twin.
the car is a Corolla, and as such info is easy to find on toys,
so that the engine real name is.
http://en.wikipedia.org/wiki/Toyota_A_engine#4A

so you dont want all the facts? marks and how to set tension correctly? really? at #12 and 18?
getting all this right, makes it GO 60k more miles, (a fact)

the words.
  1. Remove the timing belt covers using procedures described earlier in this section.
  2. If not done as part of the cover removal, rotate the crankshaft clockwise to the TDC/compression position for No. 1 cylinder.
  3. Loosen the timing belt idler pulley to relieve the tension on the belt, move the pulley away from the belt and temporarily tighten the bolt to hold it in the loose position.
  4. Make matchmarks on the belt and both pulleys showing the exact placement of the belt. Mark an arrow on the belt showing its direction of rotation.
  5. Carefully slip the timing belt off the pulleys.
  6. dont move cam, with belt off it warns.
  7. Remove the idler pulley bolt, pulley and return spring.
  8. Use an adjustable wrench mounted on the flats of the camshaft to hold the cam from moving. Loosen the center bolt in the camshaft timing pulley and remove the pulley.
  9. Check the timing belt carefully for any signs of cracking or deterioration. Pay particular attention to the area where each tooth or cog attaches to the backing of the belt. If the belt shows signs of damage, check the contact faces of the pulleys for possible burrs or scratches.
  10. Check the idler pulley by holding it in your hand and spinning it. It should rotate freely and quietly. Any sign of grinding or abnormal noise indicates replacement of the pulley.
  11. Check the free length of the tension spring. Correct length is 38.5mm measured at the inside faces of the hooks. A spring which has stretched during use will not apply the correct tension to the pulley; replace the spring.
  12. If you can test the tension of the spring, look for 8.4 lbs. of tension at 50mm of length. If in doubt, replace the spring.
  13. Reinstall the camshaft timing belt pulley, making sure the pulley fits properly on the shaft and that the timing marks align correctly. Tighten the center bolt to 43 ft. lbs.
  14. Before reinstalling the belt, double check that the crank and camshafts are exactly in their correct positions. The alignment mark on the end of the camshaft bearing cap should show through the small hole in the camshaft pulley and the small mark on the crankshaft timing belt pulley should align with the mark on the oil pump.
  15. Reinstall the timing belt idler pulley and the tension spring. Pry the pulley to the left as far as it will go and temporarily tighten the retaining bolt. This will hold the pulley in its loosest position.
  16. Install the timing belt, observing the matchmarks made earlier. Make sure the belt is fully and squarely seated on the upper and lower pulleys.
  17. Loosen the retaining bolt for the timing belt idler pulley and allow it to tension the belt.
  18. Temporarily install the crankshaft pulley bolt and turn the crank clockwise 2 full revolutions from TDC to TDC. Insure that each timing mark realigns exactly.
  19. Tighten the timing belt idler pulley retaining bolt to 27 ft. lbs.
  20. Measure the timing belt deflection (Tool 23600 B or similar), looking for 5-6mm of deflection at 4.4 pounds of pressure. If the deflection is not correct, readjust the idler pulley by repeating steps 15 through 18.
  21. Remove the bolt from the end of the crankshaft.
  22. Install the timing belt guide onto the crankshaft and install the lower timing belt cover.
  23. Continue reassembly of the timing belt covers as outlined previously in this section.


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Mar 26, 2015 | 1990 Geo Prizm

2 Answers

Idler Pulley replacement


there is normally a spacer on the bolt that positions the pulley the correct distance to miss the mounting bracket. IT sits between the bracket and the inner race of the bearing and locks that race so that the bearing can operate correctly.

Dec 21, 2013 | 1999 Nissan Sentra

1 Answer

How to replace the tention idler pulley


using a breaker bar or some other tool w/ 1/2'' drive, insert into idler, there is a square hole, remove belt tension, donot remove belt, but lift belt off say the alternator, it would help if you hang the belt w/ wire or something so as not to let it drop. using a 15mm wrench, remove mounting bolt to idler, remove idler. better to replace the entire ilder w/ pulley, as an assymbly, they wear out like any thing else. when istalling new idler, must be positioned correctly. theres a finger which protrudes out of idler, this must be inserted @ engine sideof idler. reinstall bolt, tighten, reposition belt, using breaker bar 1/2" drive again, remove belt tension, so you can get belt over alternator pulley, release tension , done ! make sure belt is centered, and on properly according to belt rounting. when satisfied w/installation , start engine, check your work, remember to visulize existing idler, etc., etc., before you start this so you can put on the new one on exactly the way the old one was !!!!!!!!!!1

Jan 31, 2013 | 1991 GMC Sonoma

1 Answer

Removal and installation of serpentine belt pully on bmw 318 i


I suggest visit this links with interesting information about this job:
- E36-Belt-Replacement/E36-Belt-Replacement

You have to find your belt tensioner, pop the cover off of it, hook a socket and ratchet to it and move it to release the tension off of the belt. While you are holding the belt tensioner, you can slip the belt off of one of the pulleys and then release the tensioner.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 17, 2012 | BMW 318i Cars & Trucks

2 Answers

How to install a new alternator belt for a 1994 BMW 540i


You put belt on by routing belt over all pulleys except for idler pulley, then (I believe it's 15mm) put wrench or socket on idler pulley and pull towards center of engine (idler is spring loaded and will compress far enough to slide belt over) Go to RealOEM.com enter your cars' stats and there's exploded views. Or you can check BavAuto.com or Pelican Parts.com they both offer tech tips also

Apr 03, 2011 | BMW 545 Cars & Trucks

1 Answer

Replace serpentine belt



Removal & Installation

  1. Rotate the drive belt tensioner clockwise and remove the drive belt.
    WARNING Never suddenly let go of the tensioned idler pulley. The force of the spring pressure suddenly released may damage the idler pulley mechanism. Always release the spring pressure gradually.


    0996b43f80204f01.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar


To install:
  1. Route the belt over the pulleys making sure all the grooves in the pulleys and the belt line up correctly. Refer to the accessory belt routing section of this manual.
  2. Rotate belt tensioner clockwise and slip drive belt over idler pulley on tensioner.

  1. Rotate the drive belt tensioner clockwise and remove the drive belt.
    WARNING Never suddenly let go of the tensioned idler pulley. The force of the spring pressure suddenly released may damage the idler pulley mechanism. Always release the spring pressure gradually.


    0996b43f80204f01.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar


To install:
  1. Route the belt over the pulleys making sure all the grooves in the pulleys and the belt line up correctly. Refer to the accessory belt routing diagrams above.
  2. Rotate belt tensioner clockwise and slip drive belt over idler pulley on tensioner.
If for any reason, the tensioner is crooked, replace it!!! Also, install the belt with the writing facing you like you are trying to read a book. This WILL (a trick I learned at Mercedes) prevent even a new belt from squeeling!!

Dec 16, 2010 | 2003 Ford Explorer

1 Answer

How to change alternator belt


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alternator and air conditioning compressor
  1. Disconnect the negative battery cable.
  2. Loosen the idler pulley bolt.


The replacement of the inner belt on multi-belted engines may require the removal of the outer belts.
To replace a drive belt, loosen the adjusting and mounting bolts of the component which the belt is driving. Move the component inward to relieve the tension on the drive belt.
Slip the belt off the component pulley and match the new belt with the old belt for length and width. The old belt will be slightly longer. After a new belt is installed correctly, adjust the tension.
  1. Turn the adjustment bolt at the top of the idler pulley bracket. Clockwise rotation will tighten the belt; counterclockwise will loosen it.
  2. Keep the idler pulley bolt snug (but not tight) while adjusting belt tension. The adjustment bolt should turn with moderate force.

After adjustment is satisfactory, tighten the idler pulley bolt, and then tighten the adjustment bolt.


Reconnect the negative battery cable.

When replacing more than 1 belt, it is a good idea to make note or mark what belt goes around what pulley; this will make installation easier if you mix up the belts.

Sep 25, 2010 | 1997 Nissan Maxima

1 Answer

Hi, Fuel consumption on my bmw e34 diesel has


Hi,
I know people complain only when fuel levels skyrocket(increase). You should be happy your fuel consumption has plummeted (reduced). However, for BMWs it is usually advisable you change the set. If a pully is bad, it usually affects other parts. Your BMW is rather old...these problems usually come with aging BMWs which usually have a lifespan.

Cheers.

Oct 13, 2009 | 1994 BMW 3 Series

2 Answers

Ineed to replace the serpintine belt, mine shreded, went and purchased replacement from lordco auto parts, could not seem to get belt to tighten up could you please advise the correct belt part # as well...


There is a idler wheel that has a bolt that when loosened will cause it to spring back. As you lay under the car with your feet first inward ( looking straight up from under vehicle snake the belt through and over the pulleys then pry back with a long pry bar the idler pulley lever after loosening bolt on wheel or lever as you put the belt over the pulleys. I have done this belt on a 1999 528 i it is a unpleasant job without a diagram showing the serpentine pulley arrangement, there is a second idler pulley located slightly higher than the release locking idler pulley don't confuse the two, I would advise aquiring a serpentine belt diagram (cd repair manual on ebay motors) unless you are confident you can figure it out through trial and error.

Aug 02, 2009 | BMW 528 Cars & Trucks

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