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P80 NA DENSO MAF mount bolts issue 1275636

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abscate
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P80 NA DENSO MAF mount bolts issue 1275636

Post by abscate » Sun Dec 01, 2019 11:52 am

Issue * came across harvesting a MAf today

The MAf on NA cars are made by DENSO and mount with two M6 (10mm head ) bolts

The bolts are typical steel but bolt into brass threads fused into the air cleaner

I had bad galvanic corrosion on one of mine, so bad the fused and broke the threaded insert ou to the plastic

I had to Dremel it put and re-epoxy the insert into the MAF

Check your cat too, while you test your bolts.
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Re: P80 NA DENSO MAF mount bolts issue 1275636

Post by erikv11 » Sun Dec 01, 2019 2:11 pm

Denso is 99+ cars only. 98 and prior are Bosch, different part.


'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 140k
'98 S70 NA, 210k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 280k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

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Re: P80 NA DENSO MAF mount bolts issue 1275636

Post by wizechatmgr » Sun Dec 01, 2019 5:24 pm

Your cats appear to be bad, both are missing their precious metals =P


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Re: P80 NA DENSO MAF mount bolts issue 1275636

Post by volvolugnut » Sun Dec 01, 2019 5:59 pm

The cats also look dark - may need cleaning. Might be too rich condition.

(why you always want to logon and see the details and not just the text)

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2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple parts cars.

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Re: P80 NA DENSO MAF mount bolts issue 1275636

Post by erikv11 » Sun Dec 01, 2019 9:53 pm

I see you got each cat to face the tail pipe, but now they flow in opposite directions???!!!


'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 140k
'98 S70 NA, 210k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 280k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

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abscate
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Posts: 19172
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
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abscate

Re: P80 NA DENSO MAF mount bolts issue 1275636

Post by abscate » Mon Dec 02, 2019 2:27 am

Clarifying a bit more

The design is m6 bolt, clearance. Brass boss on air cleaner housing, threaded brass m6 insert in MAF, two pieces.

Look how the bolt corroded in the brass boss, but not in the insert.

Strange. When I went to unscrew this it locked up in both, then broke the insert out of the MAF. It was also locked into the brass boss.


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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
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