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Water pump bolts - Source for new and WHICH ONES GO WHERE?

32K views 10 replies 8 participants last post by  Modular  
#1 ·
Maybe I should file this under Capt. Dumbazz

I thought I had laid out all of the bolts/studs for the water pump in the right manner, but apparently not. I have no clue which ones go where. I think the bolts go on the left, and the studs go across the top and then on the far right, with the longest one all the way on the right. Anyone got a picture or some info here?

And I was able to find _some_ new studs in a "HELP" package, but there's one stud (the longest one) missing, and I can't find a source for the BOLTS. Any clue on who's got them?

Thanks
Dan
 
#9 ·
sounds right to me. Several of those bolts are not special, any hardware store should have them. Go with stainless if possible, no more worries about the bolts rotting away.
 
#11 ·
Collected from a few sources:

Water Pump Bolts:

The quickest and easiest way to get the proper timing cover bolts and water pump bolts is to buy two kits from www.totallystainless.com.

Timing Chain Housing Kit 302 EFI 12 pt stainless. #6-0847
Water Pump Kit 302 EFI Through '93 12 pt stainless. #6-0931

The above are just bolts, no special studs for accessories

TotallyStainless.com does not sell a water pump kit for 94/95 5.0L.

If the prices above are a bit steep you can piece them together with the information below:

Autozone carries 3 of the odd sizes, which includes 2 studs and one long bolt.

http://www.autozone.com/selectedZip,.../selectZip.htm

The Autozone part number is 23744.

Bolt Dimensions for Autozone (Motormite Inc.) 23744 bolts:

Ford/Lincoln/Mercury Cars & Trucks 3.8L, 4.6L, 5.0L, & 5.8L. Includes 1 bolt and 2 studs.
Bolt Size: 5/16"-18 x 5",
Stud Size: 5/16"-18 x 3/8" x 16 x 5-3/8" and 5/16"-18 x 3/8"-16 x 3-7/16".

Torrie at www.fastpartsnetwork.com can get you many of the bolts.

More measurements of the water pump/timing cover bolts:

Here are some specs on the OEM fasteners, going clockwise looking at the
front of the engine, starting at the lower passenger side:

All threads are 5/16-18 pitch except for the stud portion of #6-9
which is 3/8-16

#1 Stud/Bolt, OAL 3-5/16, UHL 2.25
Bolt threaded 1", shank 1.25 (1 + 1.25 = 2.25" UHL)
Flange head .25", 5/16-18 stud thread = 13/16"
1 + 1.25 + .25 + 13/16 = 3-5/16" OAL
Drive size is 1/2"
Notes: This bolt/stud clamps the TCC to the block, retains the
timing tab,
and the stud retains the support bracket for the AIR pump,
accessory nut is 5/16-18, 1/2" drive (not a flange nut, but
could be)

#2 Stud/Bolt, OAL 3-1/16, UHL 2.25
Bolt threaded 1", shank 1 (1 + 1 = 2" UHL)
Flange head .25", 5/16-18 stud thread = 13/16"
1 + 1 + .25 + 13/16 = 3-1/16" OAL
Drive size is 1/2"
Notes: Same as #1, but the shank is .25" shorter. This bolt/stud
clamps the
TCC to the block, and retains the timing tab. Stud may be unused

#3 Bolt, OAL 4-1/16, UHL 3-7/8
Bolt threaded 1", shank 2-7/8 (1 + 2/7/8 = 3-7/8" UHL)
Standard head 3/16"
1 + 2-7/8 + 3/16 = 4-1/16" OAL
Drive size is 5/8"
Notes: Clamps water pump to TCC and TCC to block

#4 Same as #3

#5 Bolt, OAL 2-7/8, UHL 2-11/16
Bolt threaded 1", shank 1-11/16 (1 + 1-11/16 = 2-11/16" UHL)
Standard head 3/16"
1 + 1-11/16 + 3/16 = 2-7/8" OAL
Drive size is 5/8"
Notes: Clamps water pump to TCC

#6 Stud/Bolt, OAL 3-7/16, UHL 1-15/16
Bolt threaded 1", shank 15/16 (1 + 15/16 = 1-15/16" UHL)
Standard head 3/16", 3/8-16 stud thread = 1-5/16"
1 + 15/16 +3/16 + 1-5/16 = 3-7/16" OAL
Drive size is 5/8"
Notes: Stud retains accessory, accessory flange nut is 3/8-16,
9/16 drive
Clamps water pump to TCC

#7 Same as #6

#8 Stud/Bolt, OAL 5-5/16, UHL 5-1/16
Bolt threaded 1", shank 2-7/8 (1 + 2-7/8 = 3-7/8" UHL)
Standard head 3/16", 3/8-16 stud thread = 1-1/4"
1 + 2-7/8 +3/16 + 1-1/4 = 5-5/16" OAL
Drive size is 5/8"
Notes: Stud retains accessory, accessory flange nut is 3/8-16,
9/16 drive
Clamps water pump to TCC and TCC to block

#9 Stud/Bolt, OAL 6-1/2, UHL 5-1/16
Bolt threaded 7/8", shank 4-3/16 (7/8 + 4-3/16 = 5-1/16" UHL)
Standard head 3/16", 3/8-16 stud thread = 1-1/4"
7/8 + 4-3/16 + 3/16 + 1-1/4 = 6-1/2" OAL
Drive size is 5/8"
Notes: Stud retains accessory, accessory flange nut is 3/8-16,
9/16 drive
Clamps water pump to TCC and TCC to block

#10 Bolt, OAL 2-1/4, UHL 2
Bolt threaded 1", shank 1 (1 + 1 = 2" UHL)
Flange head 1/4"
1 + 1 + 1/4 = 2-1/4" OAL
Drive size is 1/2"
Notes: Clamps TCC to block

#11 Same as #10

#12 Bolt, OAL 1-1/8, UHL 7/8
Bolt threaded 7/8", no shank (7/8 + 0* = 7/8" UHL)
Flange head 1/4"
7/8 + 1/4 = 1-1/8" OAL
Drive size is 1/2"
Notes: Clamps TCC to block (top, near intake)

#13 Same as #12

Ford studs use 5/16” on the engine side and 3/8” studs on the accessory side.

From Helmut Roner for timing cover/water pump bolts for no p/s and no a/c:

Lowes Hardware:

One 5/16 x 5½ inch @ $.47, Item # 55819.
Six 5/16 x 2 inch @ $.16 each, Item # 63319.
Three 5/16 x 4 inch @ $.28 each, Item # 63322
One 5/16 x ? inch @ $. , Item # ?????

The last one I typed I don't have, yet. It should be 2-3/4 to 3 inches long. I bought a 2½ and not much of the threads go far enough into the timing cover. It's for the bolt hole that is between the two water ports on the upper left of the water pump. I'll have that info later tomorrow.

The bolts for the water pump pulley to be used without a belt-driven fan are 5/16 x 3/4 24-thread. The two rearmost cover bolts which bolt the cover to the block (not shown) are 5/16 x 3/4 inch. I am scavenging those from an ARP bolt kit that I have which can't be used with late model timing covers. Only a few from the kit could be used as the kit was designed for older model 289/302/351W timing covers.